GlassFocus - Siemens Global Website · to Simotion D Totally Integrated ... selected examples in...

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150 years of Siemens in the glass industry

Innovative by Tradition

Trends in the glass industry

Case studies

Partners

Products and technologies

ideas for glass production and glass machinery

GlassFocusSeptember 2006

Trends in the glass industry

Case studies

Partners

Products and technologies

150 years of Siemens in the glass industry


GlassFocus 2006

Glass Processing

16 Investing in the Future on the BosphorusProfessional glass cutting with Sinumerik 810D andfully integrated user interface

Glass Processing

18 More Than Drilling and MillingMaximum flexibility and short cycle times thanks to Simotion D

Totally Integrated Automation

24 State-of-the-Art PackagingProcess optimization and modernization with Simatic PCS 7 at Vetropack

Totally Integrated Automation

26 The Right ChoiceQuinn Glass selects Siemens to equip new glass plant

International Projects

28 Repeat Success Asahi Glass benefits from international project expertise

Totally Integrated Power

31 All-In-One PowerIntegrated solution brings new Bulgarian glass plant online


32 Power UpSaint-Gobain Belgium awards major project to Siemens

Asia

33 A Bright FutureSiemens-Luoyang cooperation nets promising first results

TRENDGlass Industry

4 Innovative by TraditionSiemens – partner of the glass industry

CASE STUDIESFloat Glass

6 Fast StackerHigh-Speed Stacking with Simotion D

Hollow Glass8 Future-Safe Bottle Production

Simotion D in the hollow glass industry

Special Glass9 Hard to Break

Totally Integrated Automation in insulator line in China

Hollow Glass10 Clear Advantages for Complex Requirements

Simotion and Sinamics control IS machines

Hollow Glass12 Fit for Retrofitting

Sinamics S120 for group drives

Glass Processing13 Maximum Accuracy for Batch Size 1

The new all-rounder for architecture and automotive glass

Glass Processing14 Everything Under Control

Glass grinding with Simatic S7-300 and Simatic MP270

Glass Processing15 High-Precision Cutting for Everyday Needs

Laser scribing is conquering the cell phone display market

Siemens has been an active player in the glassindustry for 150 years – an additional incentive forSiemens to continually prove itself as an expert,innovative, and reliable partner to the glass industry

Grenzebach uses Simotion D to controlhigh-performance stackers for float glass

4 6 9

The manufacturing line forglass insulators designed byWALTEC employs integratedSiemens drive technology

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GlassFocus 2006

Dear readers,This year, Siemens is celebrating a special

anniversary: 150 years in the glass industry –

not only as an innovative and reliable partner in

the equipping of glass factories, but also, which

far fewer people know, as a glass producer. We

therefore have firsthand knowledge of what it

takes to be successful in the highly competitive

international glass market.

The fine opportunities – for example, the

high demand for automotive glass, the building

industry, and the food and beverage industry

in Asia and Eastern Europe, or rapid growth

sectors such as ultrathin glass – are countered

by intense competition and increasing cost pres-

sure. Glass manufacturers are faced with the

challenge of reliably producing the required

quality with optimum utilization of all resources.

Innovative technologies for quality and

process control, which we also develop for the

glass industry together with our partners, can

open up new potential for rationalization.

We, the Siemens Glass Team, support our

customers – glass manufacturers, further

processors, system planners (EPCs), machine

manufacturers (OEMs), and engineering con-

sultants supplying the industry worldwide –

with an extensive and innovative product port-

folio, tailor-made solutions, and our experience

and expertise in the glass industry. From America

to Asia and from Europe to Australia and Africa,

we are close to our customers, together with our

partners, who use our products and solutions

for tailor-made glass systems and glass machines

that allow them to optimize production and

further processing.

We show you how our customers benefit from

working with Siemens and our partners in a few

selected examples in this issue – from page 6 on

for glass machine construction and from page 21

on for glass production. We hope these case

studies will give you some valuable ideas.

Bernhard Saftig

Siemens Glass Team

Head of the Glass Competence Center

Ralph Burgstahler

Sales/Marketing

Automation Glass Processing Machines

Totally Integrated Automation38 Smooth Transition

Totally Integrated Automation at Saint-Gobain in Herzogenrath

SOLUTIONSHollow Glass

12 Controlled Motion into the Lehr Lehr loader upgrade with Simotion D425

Power Supply30 Power Package

Integrated solutions for power supply systems

PARTNERGlass Processing

17 Optimized Glass CuttingFully integrated user interface for stand-alone cutting tables

Glass Industry35 Joint Growth

Siemens partner network aligns skills and expertise

Glass Industry36 Stable, Long-Term Relationship

STG and Siemens: successful partnership for the glass industry

19 PRODUCTS

34 SHORTLIST

39 DIALOGUE

Asahi Glass Co., Ltd., the world’s leading glassmanufacturer, and Siemens have been workingtogether successfully to equip glass works allaround the world

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4Glass Industry

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for the glass industry: Float glass as animportant material for windows and façadeelements, glass blocks as a rediscovereddesign element, and fiberglass as an insu-lation material are among the market sec-tors clearly experiencing growth. In addi-tion, young markets with strong growth,such as ultra-thin glass, are showing strongmomentum. On the other hand, increasinginternational competition and greater useof substitution products like PET and car-tons are increasing price pressures in thetraditional markets of the glass industry.This is particularly noticeable in the hollowglass sector.

In an increasingly globalized market,glass producers and processing companiesneed partners who can provide globaladvice and support on a worldwide scale.Therefore, technology is only one part ofthe Siemens portfolio for the glass indus-try. To provide its customers in the glassindustry with the support they need toachieve their aims, Siemens has packagedits expertise in the Competence CenterGlass, which tailors solutions and productsto meet customer and market needs. TheSiemens Glass Team coordinates all activi-ties for the glass industry worldwide, alignsthem with the wide range of Siemens solu-tions, and regularly exchanges its experi-ences. Thus, Siemens is able to ensure thatits customers in the glass industry alwaysreceive the best possible solutions.

Committed to tradition

Despite its scientific curiosity and innova-tion, Siemens is proud of its traditionalvalues – and with good reason. For itscustomers in industry and infrastructure,the primary focus of Siemens is establish-ing sustainable partnerships and a highdegree of reliability. Customer confidencein the company, its portfolio, and its reli-ability is crucial to Siemens’ commercialsuccess – a fact recognized back in 1884 by Werner von Siemens when he wrote ina letter to his brother Carl, “I will not sellthe future for today’s profit.” That mottoapplies just as much today as it did then –particularly in Siemens’ relations with theglass industry. �

Established more than 150 years ago as a small, two-man workshop,Siemens is now one of the largest and most successful companies in the global electronics industry. Lessknown, however, is that Siemens hasa long history not only as a supplier of electrical and electronic systems tothe glass industry but also as a glassproducer and still produces glasstoday in one of its businesses. Thistradition is a strong incentive forSiemens to continually prove itself as an expert, innovative, and reliablepartner to its customers in the glassindustry.

Werner Siemens established a jointventure in Berlin with mechan-ical engineer Johann Georg

Halske. Named Telegraphen-Bauanstaltvon Siemens & Halske, this joint venturehas developed into a global corporationthat is active in more than 190 countrieswith over 420,000 employees. Less known,while his brother Werner was establishinghis business, Hans Siemens founded aglassworks in Dresden that, thanks to inno-vative technologies and ideas, was to rev-olutionize the world of glass production.Production continued almost uninter-rupted into the 20th century. As a co-founder of its subsidiary Osram, Siemensstill produces more than 90 percent of theglass used in lightbulb production there.

Technology for the glass industry

Continuing its long and and close associa-tion with the glass industry, Siemens isdriven to create technological innovations

More information:www.siemens.com/glass

in the areas of automation, drive, andenergy. For more than 50 years, Siemenshas worked closely not only with leadinginternational glass manufacturers but alsowith machine builders, engineering com-panies, and technology partners to developand implement leading-edge, effectivesolutions for the challenges facing the glassindustry.

For this purpose, Siemens has alignedits wide portfolio of solutions for indus-tries in an Industry Suite dedicated to theglass industry. The Industry Suite Glassoffers an integrated and seamlessly inter-operating range of products, systems, andservices for almost all power and automa-tion requirements of the glass industry –whether in float glass, hollow glass, fiber-glass, monitor glass, or consumer glass,from machine control to manufacturingexecution, from process instrumentationand analysis to process control systems.The Industry Suite Glass also includes solu-tions for product and material logistics,process optimization, and power supply.

Totally Integrated Automation (TIA) andTotally Integrated Power (TIP) form the coreof the Siemens Industry Suites, serving asthe basis for customer and industry-spe-cific solutions in automation and energysupply. TIA and TIP provide glass manu-facturers and glass machine producers withmany benefits. The high level of standard-ization reduces the time to commissioning,simplifies servicing and maintenance, andcuts implementation costs.

Partnership, trust, and commitment

With booming markets in Asia and easternEurope on the one hand and extreme costpressures in the established markets on theother, the glass industry recognizes thatspeed and efficiency are crucial. The con-struction industry is an important stimulus

GlassFocus 2006

5

Siemens – partner of the glass industry


exactly and any skew is corrected. In clockedmode, a clocked ram at the end of the beltpresses the pane down and at the sametime, slides interrupt the air current. Thepane is then pressed down onto a packettable. In continuous mode, the pane doesnot stop but the clocked ram is activated ata defined position and the pane is releasedfrom the air current. When a packet of glasspanes is complete, it is transferred to aswing rake, which swings it to a robot. Therobot sets it down on a glass rack.

Many axes controlled on a distributed basis

Thirty axes must be controlled in this com-plex mechanical process, and all mustinteract perfectly. Grenzebach thereforechose the drive-based Simotion D445,which already has a Sinamics S120 inte-grated as a control module, for the proto-type. The most efficient member of the

Simotion family is predestined for distrib-uted use in high-performance multiaxismachines.

Grenzebach chose Simotion because,among other reasons, the close-to-drivesolution needs no master controller. Thiscriterion is important for the companybecause the stacker is available not only aspart of a line but also as a stand-alonemachine. In the American cutting line, aSimatic S7-400 takes over the line con-troller, and Profinet links Simotion and theperiphery.

The safety aspect is also important infast clocked systems. To prevent accidentson the running machine, the ET 200S-IM151-7F-CPU intelligent peripheral mod-ule is linked to Simotion via Profibus. A fail-safe PLC is already integrated into thisvariant, which controls the safety-relevantswitches in the safety fence and the emer-gency stop circuits.

GlassFocus 2006

6Float Glass

CASE STUDY

High-Speed Stackingwith Simotion D

FastStacker

Grenzebach Maschinenbau GmbH has developed a high-performancestacker for flat glass that can handlepanes of different sizes. The distrib-uted solution of Simotion D andSinamics S120 enables the imple-mentation of an unloading unit that removes the glass panes gentlyand quickly from the transport line.

When it comes to material flow sys-tems for the flat-glass industry,the name Grenzebach stands

for trend-setting technologies. The latestexample from this company based in south-ern Germany is a high-speed stacker that is used especially in the American glassindustry. Panes of different finished sizesare produced on the cutting line – fromwindow glass to automotive glass to build-ing glass. The demands on the stacker aretherefore high. The smaller the panes, thefaster the stacker has to operate. The largenumber of panes to be transported on theline also requires a very efficient device.

The stacker can be run either in clockedmode or continuous mode. A completebatch of glass panes is transferred from theconveyor belts of the glass line to the rollertrack. There, a fan generates an air currentthat sucks the panes onto a belt. On the belt,the position of the glass pane is measured

Short cycle times, perfect stacks, and gentle handling of the glass panesare the distinguishing features of the high-speed stacker from Grenzebach

Compelling prototype

In order to be able to produce a prototypebefore Glasstec 2006, Grenzebach neededan automation system that could be imple-mented quickly. The decision to equip thestacker with Simotion D and Sinamics S120was made because Siemens created testsoftware that met all the company’srequirements in a very short time. Themachine manufacturer is very pleased withthe scalable, modular concept that wasimplemented by close cooperation betweenGrenzebach and Siemens. Because of thepositive experience with the prototype, themain line will also be changed over fromMasterdrives to Simotion and Sinamics inthe future. �

GlassFocus 2006

7

Simotion – ideal for mechatronicsolutions in the glass industry

The Simotion motion control systemcombines motion control, PLC, andtechnology functions in one system.The many application possibilities forSimotion range from simple speedcontrol to complex multiaxis machinesin which numerous individual axesmust be put into operation. Simotionis therefore the ideal control solutionfor glass machines.

Another strength of Simotion is itsscalability. With the Profibus isochro-nous bus system and Ethernet-basedProfinet with IRT, multiple Simotioncontrollers can easily be synchronized.The number of synchronized axes canreach over 100, while the bus cycletime remains at one millisecond. Theuser can choose between three dif-ferent platform versions, dependingon the system requirements andpersonal preference: the drive-basedversion Simotion D, the controller-based version Simotion C, and the

Industrial-PC version Simotion P. The

Scout engineering system enables

engineering of motion control, logic,

and technology tasks in one inte-

grated system and provides all the

necessary tools. Functions range from

programming to parameterization,

and from the commissioning of the

control and drives to easy diagnosis

of faults. With Scout, the user also

gets graphic support for hardware

and network configuration, as well

as a graphic programming language

(Motion Control Chart, MCC). In

addition to MCC, the high-level Struc-

tured Text (ST) language is available

for the logic programming, as are

contact plans (KOP) and function

plans (FUP). The runtime software

is flexible and scalable due to reload-

able technology functions.

Moreinformation:www.siemens.com/glasswww.siemens.com/simotion

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nologies, machines, and systems for thehollow glass industry installed the drive-based Simotion D435 version, in which theentire motion-control functionality is inte-grated directly into the regulating moduleof the multiaxis Sinamics S120 drive, forthe machine’s motion control and logicfunctions. The 1FK7 compact servo motorswith their robust resolver encoders providethe ideal supplement to the drive range.

The most important function of Simotionin the hollow glass manufacturing processis operating the electronic cam profiles.These allow the shears to be controlled bya high-precision motion-control system,and the downstream units can be synchro-nized with the clock of the shears to takeover the glass gob for further processing atthe right time. The exact movement of thecam profiles guarantees a constant gob size – which is indispensable for optimizingquality and productivity in the manufac-ture of hollow glass. Different gob formscan be created for different products. WithSimotion, the machine axes can be con-trolled and accurately synchronized with a single system. In addition, only one engi-neering system is required, which reducestraining and commissioning effort.

Integration into the existingautomation environment

Ease of operation is guaranteed by thelocally installed, Windows CE-based TouchPanel TP 270 or a master visualization sys-tem. Thanks to built-in interfaces such asEthernet and Profibus, almost unlimitedoperation and visualization is possible.Simotion D is linked to the main control andthe distributed Simatic ET 200M peripheryvia the standard Profibus DP bus system.Open interfaces and possibilities for expan-sion, such as the communication modulesfor ET 200M, allow easy integration into theexisting automation environment.

The system is already operating suc-cessfully in numerous machines, and thispositive experience is encouraging Heye toautomate more and more parts of the sys-tem with Simotion D. �

Simotion D in the hollow glass industry

Future-Safe BottleProductionHollow glass specialist Heye International uses the drive-basedSimotion D variant on the IS machine as a feeder drive and conveyerdrive for the discharge of the glass bottles. The Simotion motioncontrol system is perfect for optimum synchronization of the largenumber of axes and is also easy to integrate with existing systems.

Heye has switched over toSimotion D435 for more

productive manufacturingof glass bottles

GlassFocus 2006

8Hollow Glass

CASE STUDY

The shears are the central componentof an IS machine and play an impor-tant role in the quality production of

hollow glass. The glass gob created by theplunger is cut off precisely by the shears. Inthe next process step, the gob distributorpasses on the gobs to the sections wherethey are shaped into bottles. These aretaken over by a conveyer system and trans-

ported to the lehr loader, which feeds theminto the annealing lehr. Highly precisemotion control with absolute reproducibil-ity is necessary for this.

Simotion brings enormous advantages

Heye International GmbH in Oberkirchenhas automated its IS machine with Simotion.The internationally active provider of tech-

More information:www.siemens.com/glasswww.siemens.com/simotion

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The 30-meter-long production linethat the glass machine specialistWALTEC has developed for the Chi-

nese market begins with an electronicfeeder/shears system. That is were theplunger doses the glass, which has a tem-perature of approximately 1,100°C, cycli-cally into ten molds located on a rotaryindexing table. In this process step, twoservo-controlled Simovert MasterdrivesMotion Control (MC) frequency convertersensure that two different gob weights canbe precisely dosed one after the other atidentical cycle times. The electronic camdisk function integrated into the driveguarantees a very precise and reproduciblegob weight with feeders and shears. Therotary indexing table synchronizes the

movement of the ten molds into thehydraulic pressing station, where the glassitems are formed. Following the pressingprocess, an eccentrically rotating stamp isused to roll a system of grooves into the stillformable glass. The insulators are allowedto cool down to and then kept at a tem-perature of between 500 and 600°C in a gas-heated annealing lehr, as this is thebest preparation for the subsequent hard-ening process.

Integrated controller and drives forperfect control

The glass insulators are quenched in thehardening machine by air cooling. Thisproduces a defined internal tension in theglass, which lends extreme stability to the

Totally Integrated Automation in insulator line in China

Hard to BreakWALTEC Maschinen GmbH (formerly J. Walter Co. Maschinen GmbH), based insouthern Germany, recently supplied the power-hungry Chinese market with a complete line for glass insulators. To ensure that the insulators can withstandhigh environmental stress and are safely within the required power ratingslimits, the glass must be carefully treated and hardened. This thermally sensi-tive process places the highest demands not only on the process control, butalso on the precision of the controller system.

9CASE STUDYSpecial Glass

insulators. The insulators are then cooledon 20 rotating plates, each with a dedicatedspindle driven via a separate axis. Since thisrequires only speed control, WALTEC usesthe distributed Micromaster 440 drives forthis task. Due to their sophisticated vectorcontrol, the Micromaster drives ensure thehighest possible motion control quality –even with sudden load changes. All axes aswell as the main drive for the rotary index-ing table and the furnace line are driven viathe modular Simodrive 611 converter sys-tem. This comprises feeder, control, anddrive modules, which can be combined inindividual drive formations and rapidlytailored to the drive rating of and numberof axles on the respective machine. Alldrives communicate via Profibus DP.

To control the complex and time-criticalprocesses on the temperature-sensitiveline, WALTEC requires a system in which allcomponents interact optimally. A SimaticS7-318 serves as the central controller, as it is able to work at full capacity in ambienttemperatures of 40 to 50°C during 24-houroperation. The user is able to simply enterthe parameters for the individual plantcomponents on the Simatic MultipanelMP370 graphical display.

Once the glass insulators have passedthrough all the hardening stages, they areso strong that they could withstand a fallfrom a height of two meters without break-ing. �

Shock cooling with air: the glassinsulators receive their high stabilityin the annealing machine

The drives for the many axes of theplant use Simodrive 611 converters

More information:www.siemens.com/glasswww.siemens.com/motioncontrol

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GlassFocus 2006

C ontinuous operation in harsh pro-duction conditions, with extremelyhigh performance standards – the

requirements on machine and process con-trollers in glass container production aredemanding and, for a long time, could onlybe met with dedicated control systems solu-tions. Sklostroj Turnov CZ s.r.o., one of theworld’s leading manufacturers of containerglass machines, is setting new standardsfor productivity by offering the Simotionmotion control system as an option along-side the existing control systems on itslatest generation of IS (individual section)machines. In the glass industry, there is anincreasing tendency towards replacingmechanically coupled motions and appli-cation-specific control systems with stan-dardized mechatronic solutions.

Ideal for glass: Simotion

Simotion offers benefits especially whenreal-time requirements such as e-timing,

motion control and logic need to be dealtwith simultaneously. The system is just asreliable and real-time capable as the con-ventional technology. And that is not all. Atthe hot end of container glass production –molding – factors such as throughput,availability and robustness are critical. Inaddition, there is a trend towards usingmechatronic drives for functions that wereonce reserved exclusively for pneumaticdrives, demanding even more performancefrom the controller. As a result, an increas-ing quantity of real-time I/Os with more andmore electrical drives need to be coordi-nated. High-precision motion control withabsolute reproducibility is mandatory.

Simotion’s scalability means that onlyone system is needed for all aggregates at the hot end. Simotion ensures that theplunger forms even gobs, the shears havea high dynamic response, work extremelyaccurately and cut at the right moment, andthat the gob distributor reliably supplies all

Simotion and Sinamics control IS machines

Clear Advantagesfor ComplexRequirements

Sklostroj increasedproductivity in container

glass production byswitching to Simotion

and Sinamics

GlassFocus 2006

10Hollow Glass

CASE STUDY

The glass industry is increasinglyreplacing application-specific controlengineering with mechatronicsolutions that increase productivity.The Czech company Sklostroj TurnovCZ c.r.o. has recently introduced the Simotion and Sinamics auto-mation and drive platforms on its ISmachines. Thanks to its real timecapability and scalability, the systemis ideal for controlling complex multi-axis machines in container glassproduction.

up to 50 percent to be compensated with no effect on machine productivity. As aresult, optimum system availability can beachieved despite power supply fluctua-tions. The Simotion CPU is powered by anuninterruptible 24 volt Sitop power supply.In case of a power supply failure, this cancontrol the system until it can be shut downsafely.

The Sinamics S120 system concept alsoreduces downtimes. As all data for a groupof drives is stored on a single CompactFlash memory card, a programming deviceis not necessary when replacing a Sinamicscomponent. The firmware, program andparameters are automatically read from theCF card as soon as power is restored to thedrives.

The new automation and drive tech-nology allows Sklostroj to make signifi-cant cost savings in terms of training andspare parts storage. For example, in the PCS 7 process control system the ET 200Mperipheral components are used for thefurnace and for batch conditioning. Mean-while, the worldwide Siemens support net-work ensures a rapid service response. �

sections. The sections highlight anotheradvantage of Simotion – the pneumatic andservo-electrical aggregates are combinedinto a single control system. As a result, theadvantages of electrical motion control, interms of reproducibility and reduced wearon molds and aggregates are combinedwith simple and cost-effective pneumatics.Finally, the conveyor belts and servo lehrloaders are also perfectly synchronized.

Proven in everyday operation

The new Simotion system is beingemployed for the first time on an IS ma-chine that is used to make bottles in Russia.Sklostroj is only using standard compo-nents that demonstrate proven excellencein other sectors. “We use the drive-basedSimotion D435 for axis control and as the e-timer (electronic cam control system) forall sections,” explains Rolf Themann M.B.A.,Technical Director at Sklostroj. “The com-pact design makes it particularly attractivefor us because the control module isdirectly integrated into the Sinamics S120drive yet simultaneously controls the entiredistributed real-time I/O stations.”

The Simotion controllers communicatewith one another and with the distributedSimatic ET 200M peripherals via ProfibusDP using the motion control profile. This isideal for precise synchronization of multi-ple axes and achieves reproducibility inthe microsecond range. Communicationbetween the Simatic WinCC SCADA system

and the individual controllers is via Indus-trial Ethernet. A separate SQL server isconnected to the WinCC system via OPC forrecipe management.

Service personnel can access the ma-chine controller on a robust mobile PCfrom any location using an encrypted con-nection. The PC has a wireless connectionto the controller via a Scalance W WLANswitch.

The Profibus system reduces both theamount of wiring required and the numberof interfaces on the machine, thus mini-mizing susceptibility to faults. Central datamanagement simplifies product optimiza-tion and preventive maintenance. OpenProfibus DP and Ethernet interfaces allowthird-party systems to be integrated. Thisflexibility has a positive impact on opera-tion, as process data, messages and alarmsignals can be sent to a superior controlleror process control system for analysis andarchiving. In the future, Sklostroj is plan-ning to implement Profinet with IRT(isochronous real-time), which enableseven more streamlined bus solutions byrunning operator and control data on thesame bus system.

Maximum system availability

The Sinamics S120 family represents anoptimum solution in regions with a weakmains power supply. The active infeedshave a stabilized DC link set to 600 volts.This allows short-term voltage drops of

More information:www.siemens.com/glasswww.siemens.com/simotion www.siemens.com/sinamics

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The latest generation of IS glass molding machines with49 servo axes is controlled with Simotion D

A servo-driven inverter reduces wear

GlassFocus 2006

11

Sheppee International Limited, aBritish supplier of hot glass containerhandling systems, is currently devel-oping a prototype lehr loader unitdesigned to provide more accurateglass transport control during themanufacturing process. Whereasprevious system generations hadrelied on a variety of mechanical andelectronic drive systems, the newmodel features a Simotion D425motion control system.

W ith well over 50 years of expe-rience in the industry, SheppeeInternational provides equip-

ment and solutions for customers through-out the world. The newly developed Triflex

T2 3-axis lehr loader pushes rows ofrecently formed hot glass containers offone moving conveyor, through 90°, ontoanother moving conveyor for transport intoan annealing lehr.

Fast and flexible bottle handling

Although Sheppee’s Triflex machines,equipped with electronic drives, have beenin operation for over 12 years, the companyrealized that the control technology haslimits and therefore opted to equip theprototype unit of the new T2 model with a Simotion D425. Simotion offers tremen-dous cam design flexibility and very pre-cise motion control. Optimized axis syn-chronization ensures a high level of motion repeatability whilst also providingincreased speed and operational flexibility.The control system also offers Sheppee afuture-proof software platform that is easy

to install and use. A Simatic OP 177B oper-ator panel with WinCC flexible visualiza-tion software was installed to provide theoperator with excellent operational flexi-bility, also enabling users to immediatelyconduct diagnostics to aid in troubleshoot-ing.

The new Triflex T2 lehr loader isdesigned to achieve higher productionspeeds on any production line, from below100 BPM to well over 700 BPM and cyclespeeds of 1 to 24 machine cycles perminute. The company also notes such ben-efits as the standardized automation plat-form, the worldwide sales and supportnetwork, remote dial in assistance andreduced spare parts handling. �

Lehr loader upgrade with Simotion D425

Controlled Motion into the Lehr


Sinamics S120 for groupdrives

Fit forRetrofitting

G roup drives have a long tradition inthe glass industry. Previously, inorder to ensure the angular syn-

chronism important for the IS machine,several motors were operated on one con-verters. Since the mid-1980s, the Simovertconverter system has controlled angular-locked synchronism using several separateinverters, forming a universal three-phasedrive with the Siemosyn synchronousmotors.

Updating proven machines

It is now possible to easily achieve trans-mission synchronism with motion-controlsystems and the associated wide range of

motors, such as servo motors and compactasynchronous motors. However, when sys-tems are being modernized, retrofitting isfrequently required to retain proven motordesigns and update only the drive-specificcontrollers with the latest technology.

Best suited for this is the Sinamics S120drive system, which controls both asynchro-nous and Siemosyn synchronous motors at a precise frequency. In association withthe Simotion motion-control system, sen-sor-free transmission synchronism is also

possible for synchronous motors via the U/fmode. Control of the synchronism is per-formed by the drive-based Simotion D425,which also provides the user with a full-fledged PLC, with the result that an addi-tional PLC is no longer required. �

More information:www.siemens.com/glasswww.siemens.com/sinamics

Configuration and commissioning tools

Drive-Cliq

Ethernet

Simotion D425

Motormodule

Lehr loader

Cross conveyor

Ware transfer

Machine conveyor

Gob distributor

Shears

Starter

Sizer

Capacitor module

Sinamics S120

Simatic TP 177B

Feeder

Infeed

To other units

GlassFocus 2006

12Hollow Glass

CASE STUDY/SOLUTION

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The Sinamics S120 drive system meets all the requirements of the glass industry

The new all-rounder for architecture and automotive glass

MaximumAccuracy for BatchSize 1

Alternatively, there is an option of import-ing programs created externally.

The system is available in various sizescorresponding to the customer’s productrange. The largest machines can continu-ously machine glass with dimensions ofbetween 400 x 800 millimeters and 3.3 x 7.3meters. The resulting time savings are con-siderable as a new pane can be moved inand positioned while the finished pane isstill being transported to the next process,for example washing. That is where thestrengths of the Sinumerik become evi-dent – the multi-channel capability of the840D allows several panes to be processedsimultaneously.

All functions in one compact unit

For milling and grinding, a 12-kilowattmotorized milling spindle is being used for the first time. This mechatronic unitcombines Siemens system expertise in con-trol engineering on machine tools with the long-standing experience in motorizedspindle construction of Weiss Spindeltech-nologie GmbH. The complete motorizedspindles comprise all mechanical elementssuch as sensors, cooling and tool clampingmechanism. With a variable speed of up to 15,000 RPM, the built-in 1FE synchro-nous motor ensures a good surface quality for grinding. Compared to conventionalbelt-driven solutions, the spindle runsextremely quietly and smoothly.

Benteler Maschinenbau is convinced thattheir innovative machine featuring a com-bination of CNC control and a motorizedspindle provides the optimum solution forflexible machining of flat glass panes. �

More information:www.siemens.com/glasswww.siemens.com/sinumerik

The proportion of contour panes with abatch size of 1 is continuously increas-ing the construction and furniture

glass sector. The new Benteler CNC machin-ing center, an intelligent extension to theproven Benteler portal drilling machineincorporates a range of technical innova-tions that reflect this trend. The glass paneis positioned automatically by the lateralroll guide rail and laser measurement,completely eliminating the need to adjuststops. To ensure secure fixing duringmachining, the individual suckers areselected automatically for each contourpane. The high performance spindle forgrinding, polishing and milling is mountedon a stable portal that can be moved in thedirection of transport, allowing all contourpoints to be reached. To drill the pane, it ismoved into the drilling portal with its twoindependent double-sided drilling spindlesand 20 different pairs of tools.

High speed and accurate processing

The CNC Sinumerik 840D provides perfectcontrol for these complex processes. Theprocessing programs can be created easilyusing the CAD/CAM software from Benteler.

GlassFocus 2006

13CASE STUDYGlass Processing

The motorized spindle includes allmechanical elements, such as sensors,cooling and tool clamping mechanism

With the compact motorized spindle,Benteler can mill even large panes ofglass quickly and accurately

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To reflect the latest developments inthe architectural and automotiveglass sector, Benteler Maschinenbaunow supplies a CNC machining centerthat can perform all machining steps,even on large panes of glass. To meetcustomer requirements for unlimitedflexibility and high performance, thecompany uses Sinumerik 840D and a new motorized spindle speciallydesigned for machining glass.

Glass grinding with Simatic S7-300 and Simatic MP270

Everything Under Control

The customers of the Italian company Z. Bavelloni benefit from a new auto-mation concept that the company has developed in cooperation with Siemensfor its double-edge grinding machines. Thanks to the flexible and modularsoftware, the machines achieve perfect grinding results.

F lat glass processing is an importantfunction of many of the machines inthe extensive product line of Z. Bavel-

loni SpA, a subsidiary of the Finnish KyroGroup. The VX EVO double-edge grindingmachines have been developed usingsophisticated technical solutions in orderto meet all the specific glass processors’needs like for example the ability to pro-cess large panes precisely, as required bythe building industry.

A wide range of models with differ-ent working widths and number ofspindles are available. On a base framewith one fixed and one moving cross-bar, the glass is transported over fourindividually operated high-qualitybelts that are powered by two main-tenance-free 1 FK7 compact syn-chronous motors. Simodrive 611Uconverters are used as the drivesystem. The motors are electroni-cally synchronized, thereby ensur-ing improved synchronizationand greater reliability at lowermaintenance costs than conven-tional drive shaft solutions. Byusing 8, 10, or 11 spindles and anadditional oscillating side spin-dle, the operator is well pre-pared for the most demandingtasks. In addition devices fortools automatic set-up can beinstalled.

High performance paired with versatile functionality

To control the double-edge grindingmachines, Z. Bavelloni chose the SimaticS7-314-C 2DP CPU. The S7 expandabilityenables plant internal network integration,for example, with in-house production andmanagement software. Thus, productiondata can also be easily transferred from a remote location. This is particularly ben-eficial for end customers with larger ormultiple sites.Thanks to the flexibility and scalability ofthe Simatic S7 CPU, Z. Bavelloni was able tosignificantly improve the productivity andfunctionality of its innovative grindingmachines. The modular software design ofthe machine enables easy integration offurther machine modules. During opera-tion, the Simatic Multi Panel MP270B offersusers numerous functions to improvegrinding results. For example, users can select step-by-steppart processing with automatic size adjust-ment or adaptation of “standby” stationsusing a preset list. Reading bar codes tooptimize the importing of machine dataand the importing and exporting ofmachine data via Ethernet can also beperformed directly on the MP270B.

The standardized Simatic control archi-tecture ensures optimum cutting resultsand high level of efficiency. It also ensuresthat access to spare parts poses no prob-lems. �

More information:www.siemens.com/glasswww.siemens.com/motioncontrol

GlassFocus 2006

14Glass Processing

CASE STUDY

R. D

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GlassFocus 2006

15CASE STUDY

A s a result of its joint venture with the Japanese Mitsuboshi DiamondIndustrial Co. Ltd. (MDI) in mid-

2005, the Mainz-based glass manufacturerSchott AG now offers a wide portfolio ofconventional machines as well as laser cut-ting machines. In the field of laser cutting,MDI Schott AP has gained ground above all in the cell phone display market in thelast 12 months. Because cell phones arebecoming thinner and thinner, increas-ingly thinner and therefore stronger dis-plays are required. Glass thicknesses of 2 x 0.3 millimeters are common, and eventhinner displays are being developed.

Schott AP’s “laser scribe and break” tech-nique makes display production morerational and flexible. Displays are producedunder clean-room conditions because eventhe slightest contamination can destroy the glass surfaces that have already beencoated with the electrically active compo-nents. Unlike conventional cutting meth-

ods that generate glass dust, laser scribingworks without contact and therefore with-out dust: a focused CO2 laser beam heats up the glass along the cutting line, which is then cooled down again immediately. No microtears occur on the surface duringembrittling and pretensioning of the glass,and there are practically no microparticleswhen the material is broken afterward. Theresulting edge is extremely precise andstrong.

Adjustment to the micrometer

For the automation of the machine, MDISchott AP uses a Sinumerik 840D CNC andthe wear-free, maintenance-free 1FN3 lin-ear motors and 1FW3 torque motors. Thedirect drives meet the requirements ofclean-room class 1000 and interact opti-mally with the Simodrive 611D convertersystem. The high degree of positioningaccuracy and great bonding force that canbe achieved with this drive technology

Glass Processing

A case for laserscribing: cell phonedisplays requireultrathin glass withstrong edges

enable MDI Schott to achieve accuratealignment of the material to the microme-ter. To achieve a constant cutting depth, theintensity of the laser beam is controlledbased on the belt speed.

There is a trend towards using glass as a preferred display material in electronicdevices. For these applications, a strongglass edge is also very important, and thevarying contours make great demands onthe control system. Thanks to its flexibilityand scalability, Sinumerik 840D is alsoideally suited to these future tasks in termsof its functionality and performance.

Flexible design

To meet customers’ varied requirements,the machines have a modular structure andcan therefore be combined in individualline solutions or stand-alone processingstations with little engineering effort. Theuniform Profibus architecture, with itsextensive diagnostic functions, is just asimportant to Schott as the compatibilitywith different HMI systems. The companyalso makes individual user interfaces withAsian characters. �


Laser scribing is conquering the cell phonedisplay market

High-PrecisionCutting forEveryday Needs

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Clean cut: glass can be cut dust-

free with the laser

MDI Schott Advanced Processing GmbH has developed a laserscribing technique for display manufacture that is far superior tomechanical glass cutting. A key prerequisite for the splinter-free“scribing,” which can be performed in clean rooms, is a veryflexible control and drive technology.

GlassFocus 2006

CMS MAKINE SANAYI VE TICARET A.S.(CMS), which specializes in machinesfor the glass industry, offers a wide

range of products. One of the most impor-tant pillars of the company is the cuttingtables. Whether for windows, furnitureglass, or flat glass products for the building,sanitary, or automotive industry, the FCLOctopus 6032 stand-alone glass-cuttingtable cuts oversized plates into highly accu-rate parts by CNC control.

CNC controlled for a better cut

The desired cutting shape is transferred tothe Sinumerik 810D control, which cuts the glass with a cutting wheel along the

rail-controlled main x- and y-axes. Since,for a perfect result, the cutting wheel, thec-axis, must be guided tangentially to thedesired shape, Sinumerik 810D has an inte-grated tangential control. At CMS, the“gantry function”– the parallel drive in the x direction – compensates the spindlepitch errors or reverse batches that tend tooccur, especially with larger cutting tables.With the aid of the speed-dependent analogoutput and the Simatic S7 PLC integratedinto Sinumerik, cutting pressure, cuttingoil, and cutting speed can be optimally set.The “look ahead” speed control also guar-antees a high cutting speed even over shorttraverse lengths.

The CMS table is also characterized by ahigh level of usability. The operation of allmachines and the optimization of the glasssize cutting take place via an integratedinterface. The Optiplan HMI, made byHanic, has been specially developed forstand-alone tables and offers intuitivemachine operation and professional cut-ting optimization all in one. The benefit forthe end user: from receipt of the order todelivery, discard glass is largely avoidedand the valuable raw material is used effi-ciently.

Discs cut more accurately and faster

CMS states that since the company beganworking with Sinumerik controllers, thequality of the cut glass panes has increasedsignificantly. Unlike previous solutions,Sinumerik allows the dimensions to becorrected and entered into the machine asa correction. The cutting speed has alsobeen notably increased, to 130 meters perminute – three times faster than before.The company is delighted with the increas-ing number of orders as a result.

CMS is also relying on the successfulpartnership with the local Siemens salesoffice in Istanbul for other machines suchas insulated glass lines and machines forprocessing safety glass. �

On the stand-alone glass-cutting tables of the Turkish company CMS, jumbo-sized glass plates can be cut into straight or shaped parts with an accuracy of a few tenths of a millimeter. Since being equipped with the modern, compactSinumerik CNC control, the machines cut even more accurately and the cuttingspeed is three times as fast. In addition, a fully integrated user interface thatunites cutting optimization and machine operation makes the new systemextremely user-friendly.


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Professional glass cutting with Sinumerik 810Dand fully integrated user interface

Investing in the Futureon the Bosphorus

CMS uses state-of-the-arttechnology for precision

glass cutting

16Glass Processing

CASE STUDY

Hanic GmbHHanic GmbH develops software solutions

for the flat-glass industry. With Optiplus,

Optifer, Optwin, and Optiplan, all glass-

relevant processes can be optimized.

Company headquarters:

Josef-Hausmann-Str. 10

D-44866 Bochum-Wattenscheid

Germany

Employees: 29

Founded: 1983

Contact:

Rainer Feuster

Phone: +49 (0) 2327 8369-0

Fax: +49 (0) 2327 8369-1 99

E-mail: [email protected]

GlassFocus 2006

17PARTNERGlass Processing

Fully integrated user interface for stand-alone cutting tables

Optimized Glass CuttingBy optimizing the cutting process, glass manufacturers can use raw glassformats most efficiently and avoid unnecessary scrap. Hanic, a partner of Siemens for many years, has developed the Optiplan 4 HMI software,which is easy to use even without NC knowledge because it combines thepreviously separate worlds of cut optimization and machine operation ina user-friendly interface.

Cut optimization is a key successfactor in glass processing today.Especially with stand-alone glass

cutting tables, the ideal is to perform cutoptimization directly on a PC at themachine. The partnership between Hanicand Siemens makes this possible. WithOptiplan 4 HMI, Hanic has developed opti-mization software that runs on the samehardware as the actual human machineinterface program. Siemens offers controlsystems for this in which the HMI operationis PC-based (e.g., Sinumerik 810D, 840D),as well as NC and HMI PC-based concepts(e.g. Sinumerik 840Di).

The integration of close-to-machine op-eration and classic optimization in a soft-ware package provides the machine opera-tor with intuitive, multilingual machineoperation. Complicated handling to loadoptimized cutting data into the NC from a

disk, flash memory card, or data file is nolonger necessary because this takes placefully automatically. If the glass breaks dur-ing cutting, it can be recut immediately.The classic machine control panel has been reduced to a few hardware keys and is instead reproduced in the software,enabling easy, multilingual operation. Theuser needs to provide only a few basicinputs to enter the optimizing position ofthe glass panes. The order header data, likebasic data for the position input, are takenfrom the stored master data. After the opti-mizing position has been entered, the glassis immediately available, sorted automati-cally according to type and thickness and inthe form of optimization groups.

The shapes integrated into the modelcatalog of Optiplan 4 HMI are entered ingraphic mode by the user. Important pro-cessing information such as edge process-

ing on rectangles or models as well as freecontours can also be entered, and it is alsopossible to import DXF files. The grindingallowances necessary for cutting are addedto the cutting dimensions.

Maximum glass utilization for every shape

In the automatic optimization of the indi-vidual glass types, it is possible to changecutting-table parameters or other parame-ters such as broken edges or minimumbreaking distances. Hanic achieves a highglass yield by using sophisticated algo-rithms, with the specified restrictions takeninto account. The optimization result is dis-played to the user graphically and containsinformation about the achieved yield orwaste, planned area, number of pieces, andnecessary raw formats. The operator canthen intervene at any time to influence theresult.

Easy machine operation

After the optimization strategy has beenaccepted, the CNC data are generated auto-matically and loaded into the programmemory of the Sinumerik controller. Themachine operator then only needs to pressthe “Start” button and the glass is cut. Themachine operation addresses everythingfrom actual value displays to machine setupmasks to alarm management to simula-tion. Last but not least, Optiplan 4 HMI isdesigned to be multilingual. It is alreadyavailable in German, English, Chinese,Russian, and other languages. �

More information :www.siemens.com/glass

The simple HMIwith graphiccutting imagedisplay andprogramsimulationenablesintuitiveoperation

Last year, the Italian company Forvet,which specializes in the manufactureof drilling machines, launched a glass-processing machine that can processtwo glass panes simultaneously. TheSimotion D motion-control systemwith Sinamics drives ensures the flexi-bility and speed of the NC machiningstation.

Forvet SRL is a market leader in theglass-processing industry thanks toits inovative ideas and high-tech solu-

tions, along with many years of experi-ence. The company’s wide range of modelscovers different customer requirementsand glass sizes. A key distinguishing fea-ture of the Forvet drilling machines is the drill spindle heads with several spin-dles. With their high-quality componentsand efficient software, they provide themachines maximum flexibility, which is inhigh demand on the market.

Last year Forvet successfully developedthe Francesca FC 32M 3300 MILL, the only

machine worldwide that can process andremove either one large glass pane (max.3,300 x 8,000 millimeters) or two smallerglass panes (max. 1,600 x 4,000 millimeters)simultaneously without intermediate steps.The machine is equipped with 32 tools.These are installed in four heads that can beoperated independently of each other orparallel in coordination. Simultaneous pro-cessing of the glass panes with four toolsconsiderably reduces cycle time.

For greater productivity, the FrancescaFC 32M 3300 can be combined with theForvet Chiara grinding and polishingmachine or another two-blade grindingmachine, which doubles the output.

Great flexibility and minimal downtime

The NC machine is equipped with 24axes, and utilizes both servo and standardasynchronous motors. The very compactdesign is achieved with the help of thedouble-axis modules of the Sinamics S120drive platform. The “Drive-Cliq” drive inter-face enables distributed design setup aswell as fast engineering and efficient ser-vicing. Thanks to the Structured Text pro-

gramming language, functions such as syn-chronous tasks, portal operation and theexecution of special cam profiles are con-veniently configured. The operator inter-face, which was implemented using SimaticWinCC flexible, allows for easy user opera-tion with several langauges on the SimaticPanel PC 577.

The machine is distinguished not onlyby its enormous flexibility in glass pro-cessing. It also shortens the downtimewhen a “spot job” – a job that has to be exe-cuted within a short time and with shortnotice – needs to be slotted in. The opera-tor can then choose between two options:either to remove a tool from the revolverhead and insert a new one, or to temporar-ily use another revolver head to avoid pro-duction process interruption and therebyrequire less time. All of these work steps areautomatically controled and adjusted withthe help of a Simotion D445 motion controlsystem. �

Maximum flexibilityand short cycle timesthanks to Simotion D

More ThanDrillingand Milling


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The new Francesca FC 32M3300 MILL from Forvet can

process glass panes up to a sizeof 3,300 x 8,000 millimeters

GlassFocus 2006

18Glass Processing

CASE STUDY

GlassFocus 2006

19PRODUCTS

Sinumerik solution line

Control Platformfor GlassProcessing

The Sinumerik solution line (sl) control family is the newplatform and ideal solution for glass processing. It consistsof the Sinumerik 802D sl compact panel CNC, the PC-based Sinumerik 840Di sl, and the “flagship,” the universal,drive-based Sinumerik 840D sl. An important property ofthe Sinumerik solution line is its scalability – in terms ofthe hardware, the software, and the area of operation. The new controls can therefore be optimally adapted tothe various machine designs.

The new Sinamics S120 drive system isdistinguished by its scalable powerrange, functionality, and design.

Tiered function packages address all areasof application. The selection of differentdesigns such as internal air cooling, exter-nal air cooling, and liquid cooling open upmany new application opportunities for themachine manufacturer. Extensive possibil-ities for distributed configurations andflexible system structures are available viaEthernet, Profibus, and Drive-Cliq. Thecontrols can easily be integrated into sys-tem networks via Industrial Ethernet andProfibus. As a result, operation and an inte-grated diagnostics and service function canbe implemented much more flexibly.

The right model for every application

Like its predecessor Sinumerik 802D,Sinumerik 802D sl is an operator panel con-trol that combines NC and PLC control aswell as HMI functions in one device. It canbe wired at low cost and commissionedeasily and quickly. Optimum connectivity is guaranteed by three onboard commu-nication ports: Ethernet to connect to themaster systems, Profibus to connect to theperiphery, and Drive-Cliq to connect toSinamics S120.

Sinumerik 840Di sl is a fully PC-basednumeric control based on the PCU 50.3

Sinumerik 802D sl – the compact panel CNC

Sinumerik 840Di sl – the PC-integrated, flexible system

All pictures: Siemens AG

Sinumerik 840D sl – the flexible, universal system

industrial PC with the Windows XP operat-ing system and the MCI 2 motion-controlinterface board. Both the Sinamics drivesystem and the distributed periphery arelinked by 12-megabaud Profibus DP withmotion-control functionality and real-timecapability. Analog drive interfaces in packsof four are available as an option. Thanks tothe openness of the HMI and PLC, the usercan create individual technology solutions.

The efficient universal solution Sinumerik 840D sl consists of an NC unit(NCU) with embedded CNC, HMI, PLC, reg-ulation, and communication functions. Ifhigher performance is desired in the fieldof HMI, the Sinumerik PCU 50.3 Indus-trial PC can be added. A maximum of four distributed operator panels areoperated by one NCU/PCU at a distance ofup to 100 meters. A special strength of the Sinumerik 840D is the consistent open-ness of the HMI and NC core. This enablesnumerous functional extensions and canfacilitate new areas of application for which automation solutions have not beenavailable. �


S12S120

100 megawatts30 megawatts

S120 G110 G150/S150 G130 S120 GM150/SM150 G120

G110 S150/SM150 G130 G150/GM150 S120 S120 G120 S120 S120

S120 S120 G110 S150 S120 G130 G150/GM150 S120 SM150 G120

S120

Sinamics for every output rating

Sinamics for every power range

0.12 kilowatts 1.5 megawatts

Sinamics for every application

Coordinated drives/high-performance drives High-performance single drives Single drives

Basic functionality

S120 S120 S120 S120

Motion control performance

G_D

211_

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98

GlassFocus 2006

20 PRODUCTS

T he intelligent drive systems areespecially suitable as an automationplatform when modular machine

designs need to be implemented. For theindependent scaling of functionality andelectrical power, the control module andpower modules of the drives must be select-able as separate modules. The independentdimensioning of the power modules allowsthe flexible scaling of the drive solution to varying load situations, while the engi-neering for very different applicationsrelies on the same resources, with a uni-form control module for all applications.This principle is implemented consistentlyin the drive system Sinamics S120. In dis-tributed automation topologies, for exam-ple, a Simotion D module takes over thecontrol of the Sinamics S120 axis assembly,which is then used in place of the Sinamicscontrol module. Control functions andmotion control are then also available inaddition to the control directly in the drive.

Simple automation structures and theefficient utilization of existing resourcesdemand the flexible application of intelli-

gence and functionality. The Sinamics S120drive system is tailor-made for this devel-opment because it interacts smoothly with the machine manufacturer’s favoriteautomation topology, whether industrialPC, controller, or drive-integrated. Wastedresources at the drive level are therefore a thing of the past. This flexibility is sup-ported by the automation system. TheSimotion motion-control system covers all three important hardware platforms –controller, PC, and drive – in a broad per-formance range. In every one of these con-figurations, the machine manufacturer issupported with one consistent tool envi-ronment, from the development work rightthrough to the remote diagnosis and main-tenance over the whole life cycle of themachine.

Real-time communication with Profinet

Profinet, the extensive and open IndustrialEthernet standard, is available as a com-munication standard for distributed intel-ligent automation solutions. It also allowsthe integration of distributed field devices

and, together with component-based auto-mation (CbA), forms the basis for distrib-uted intelligence in modular plant con-struction. With Profinet, safety-relatedcomponents can also be integrated easilywith the Profisafe protocol. In addition,field level, control level, and IT level will beeven more closely linked in the future.Profinet relies on a consistently scalablesolution for real-time communication. This includes the time-uncritical transfer of production data; communication withthe peripheral units in real time (RT), withresponse times of 5 to 10 milliseconds; and isochronous real time (IRT), whichdemands cycle times of less than 1 millisec-ond and jitter accuracies of 1 microsecondfor time-critical motion control applica-tions. Open IT standards and TCP/IP can beused simultaneously and unrestrictedly bythe same channel. �

More information:www.siemens.com/glasswww.siemens.com/sinamicswww.siemens.com/profinet

The Sinamics drives are scaled according to power,function, and the complexity of the application

Sinamics and Profinet

Modularityin the DriveAssemblyIn modular machines, drive and automation functions areincreasingly being designed as distributed functions. Theintelligence available in drivesolutions can take over more andmore tasks due to increasingprocessor performance, andstandardized Ethernet-basedfieldbuses provide the necessarydata exchange.

Advance Process Control

More Quality andFlexibility

especially for established plants. Advancedprocess control also helps ensure stableprocesses, including the optimized use ofenergy resources, and product quality,which are essential for process optimiza-tion.

In the area of adaptive as well as multi-variable model-predictive control used in advanced process control solutions,Siemens partners with companies such asTNO, Glass Service, STG, and UAS, imple-menting their expertise in advanced products. These advanced methods keeprelevant variables within the required

Pyrometric temperature measurement

Noncontacting Monitoring

ured values even at only 10 percent of theoriginal radiation intensity and trigger asystem alert indicating the fouling prob-lem. This feature monitors the entire mea-sured section between the pyrometer andthe target and operates on a purely electri-cal basis, meaning that no optical attach-ments, moving mechanical components, orexternal additional modules are required.The pyrometer is therefore wear- and main-tenance-free. The Ardocell PS and PZpyrometers with fiber-optic cables (FOC)can be used without external cooling at

Noncontacting pyrometric temperaturemeasuring methods are becoming

increasingly important in the monitor-ing and optimization of energy-intensiveglass melting and forming processes. How-ever, since pyrometric temperature mea-surement employs an optical measuringmethod, a clean lens and free field of viewfor the pyrometer are prerequisites forcorrect temperature measurement.

The compact radiation pyrometers of theArdocell and Ardocol series with integratedfouling monitors provide reliable meas-

The Simatic PCS 7 process control sys-tem offers a consistent and integrated

automation solution for all industries. Inversion 6.1, the process control system has been enhanced and extended withimportant features such as integrated assetmanagement and OS Web.

With Web functionality for the operatorstations of the Simatic PCS 7 process con-trol system, processes can be controlled,operated, and monitored directly via theInternet/intranet. The user can access allprocess data through the PCS 7 Web serverfrom the PCS 7 Web client – any PC withInternet Explorer. The Internet Explorer

Simatic PCS 7 Version 6.1

New Web Functionality

More information:www.industry.siemens.com

The Ardocell PS and PZpyrometers with fiber-opticcables can be used without

external cooling at ambienttemperatures of up to 250 °C

Processes can be controlled, operated andmonitored directly via Internet/intranetby Web functionality

ambient temperatures of up to 250 °C,thanks to their FOC optics and the steel-encased FOC. This makes the installation of an expensive and complex cooling watercircuit unnecessary in many cases. �

The greatest challenge that process engi-neers will face in the glass industry lies

in the reduction of variable costs whilemaintaining product quality. Advancedprocess control is the most effective tech-nology available to realize this objective,

display on the client PC corresponds to theuser interface of a conventional operatorstation with an overview and working andkeyboard area. As with an operator station,user-specific access rights can be set for thePCS 7 Web client. All Web client operatingprocedures are logged automatically withthe name of the operator. Up to 50 Webclients can access one PCS 7 OS Web server.This enables remote operation even of com-plex applications. �

More information:www.siemens.com/pcs7

GlassFocus 2006

21PRODUCTS

parameters, allow for automated and flexi-ble process operation, obtain predictiveand reproducible results, and minimizeenergy and raw material consumption.These functions can be integrated into the Simatic PCS 7 process control system so that both process automation andadvanced process control can be operatedthrough the same interface. �


Siem

ens

AG

Siem

ens

AG

gates. Function blocks are provided for the communication with the automationwhich is able to read evaluated data of thepictures and at the same time send data forautomationto the video system.

For subsequent analysis, the pictureswith the measuring data that is faded in aswell as the orientation guides are saved ina continuous ring buffer. Further archivetools such as search engines, timeline,backup, or access to single pictures allowquick and comfortable editing.

The setup, analysis, and configuration of the complete video system is done witha configuration station that does not influ-ence running operations.

It is possible to access the video serverwith any PC or notebook via LAN by usingthe ViaCC client software without inter-rupting the running operations. �

The ViaCC video system enables showinglive pictures of all cameras with the

top-roller in the control station for super-vision and control of production processesin the float area.

Simultaneously to the video display pic-tures, performance data such as flow veloc-ity, temperature, and angle are directlyfaded into the video picture. Due to thedirect interconnection of the automatedsystem, a timely adequate and paralleldisplay of video information and processdata is achieved.

The operator has the option to place anypicture markers into the video pictures sothat orientation during the productionprocess is better. As a result, it is possibleto recognize any changes in flowing or posi-tioning faster.

Integrated algorithms which analyze thepictures allow a width measurement whichcan be used to control or readjust the feeder

More information:www.industry.siemens.com

The availability of large-format glasssubstrates plays a key role in the rapidly

growing market for TFT-LCD displays. Qual-ity and yield are critical to the success ofglass and display manufacturers in globalcompetition. The production and process-ing of ultrathin glass with a thickness ofjust a few tenths of a millimeter is particu-larly important. The slightest surface flaws,such as particles, occlusions, and scratches,can later lead to the failure of individualdisplay pixels.

Because flaws that are discovered at the end of the manufacturing process areextremely costly, it is absolutely essential to check the glass substrate for flaws before processing. Siemens offers an opti-cal inspection system especially designedfor use at the cold end of the ultrathin glass

production process that has a much greaterefficiency than conventional systems andenables detection of glass flaws well intothe submicrometer range.

The sensor, based on a laser scannerwith high-resolution scattered-light detec-tion, picks up surface flaws on both sides of the glass substrate as well as occlusionsin the glass. The most prominent feature,apart from the detection of punctiformdefects, is the direction-independent detec-tion of surface scratches. With the system’spatented scan and detection optics, micro-scratches just a few nanometers wide anddeep can be detected reliably in any direc-tion. Distinguishing between defects on thefront and the back is also possible as anoption. The system can be cascaded to testdifferent web widths. �

The new sensor detects glass flawswell into the submicrometer range

GlassFocus 2006

22 PRODUCTS


Siglas Top Roller

Live Information Feed

Siglas TFT Inspection

One Hundred Percent Quality

The measured data are displayed directly in the video pictures with ViaCC

Siem

ens

AG

Siem

ens

AG

Siwarex FTA weighing module

Fast, Precise and Flexible

Siwarex FTA provides calibratable andversatile weighing electronics for

Simatic S7, C7, and PCS 7. It is a componentof the Simatic automation system and theSimatic PCS 7 process control system, so it can also be linked to a comprehensivemanufacturing execution system.

By setting a parameter in Siwarex FTA,one of the following scale types can be acti-vated: a nonautomatic weighing instrumentconforming with OIML R76 for tasks such as

Sitrans LU 10 is an ultrasonic long-rangelevel monitor for liquids and solids,

offering 10-point monitoring in a singleunit. Key applications include chemicalstorage, liquid storage and bulk solidsstorage.

Sitrans F US ultrasonic level monitoring system

Accurate and Easy to Operate

The calibratable and versatileweighing electronics Siwarex FTA

Sitrans LU 10 for ultrasonic sensors with amonitoring range of up to 60 meters

Sitrans LU 10 has a monitoring range ofup to 60 meters. The patented Sonic Intel-ligence echo-processing software ensuressuperior reliability. �

More information:www.siemens.com/level

23PRODUCTS

Sitrans F R rotary-piston meters are best-sellers. Although millions of them have

been sold over the past few decades, theyhave lost none of their attractiveness. Thebenefits offered by their conventionalmechanical measuring technique include

Sitrans F R rotary-piston meters

Proven Bestseller

Proven measuring technology: Sitrans F R

reliability, precision, and a robust designfor measuring aggressive media and high-viscosity fluids.

That is why rotary-piston meters are stillstandard equipment in the glass industry.For Wiegand Glas, Siemens recently sup-plied 43 Sitrans F R rotary-piston meters tomonitor the flow rate of heavy fuel oil usedas fuel for the melting furnace. �

More information:www.siemens.com/flow

Sitrans LR 400 radar level monitoring system

For Demanding Tasks

a low dielectric constant. It is virtually unaf-fected by atmospheric or temperature con-ditions within the vessel. �

The Sitrans LR 400 is a long-range FMCWradar level transmitter. It is available as

a liquids version for use in liquid bulk stor-age vessels and as a solids version with anintegral Easy Aimer ball for use with solids.

It provides excellent results even in con-ditions of extreme dust or with liquids with

More information:www.siemens.com/level

Sitrans LR 400 providesexcellent results even

under harsh conditions

More information:www.siemens.com/weighing

GlassFocus 2006

hopper weighing or fill level weighing, or aplatform scale; an automatic gravimetric fill-ing instrument conforming with OIML R61for use as a sacking system scale or fillingscale; an automatic catchweighing instru-ment conforming with OIML R51 for single-component filling and emptying, a multi-component scale, or a static control scale forweight measurement; or a discontinuoustotalizing automatic weighing instrumentconforming with OIML R107, used, for exam-ple, as an emptying or loading scale. �

works altogether, with a total of 17 meltingfurnaces producing more than 3,000 tonsof glass for packaging per day.

In order to consolidate and strengthenits strong position in the market, the grouppursues a double strategy: in addition to itscontinued eastward expansion, it is alsofocusing on the continuous modernizationof its production plants in order to increasecorporate success through optimal utiliza-tion of resources and plants, while simul-taneously protecting existing investments.

With a melting furnace having a servicelife of around 10 years, on average two coldrepairs per year will be required through-out the company. Vetroconsult AG wasestablished within the Vetropack Groupmore than 10 years ago with the purpose ofcarrying out engineering tasks such as the modernization of individual plants and the planning and commissioning ofnew melting ends. It is responsible for tech-nical design planning and using its soundprocess expertise to achieve energy sav-

ings, cost-efficiency, and quality improve-ments, and to protect the environment.

Multiple requirements

From the basic specifications of uniformityand traceability, which, years ago, were allthat was asked of a process control systemin the glass industry, a veritable flood ofrequirements has developed: trouble-freeconnection of devices, simple and reliableoperation, complete monitoring of theprocesses, linking to the SAP system, andmuch more. In Simatic PCS 7, Vetroconsulthas found a solution that satisfies theserequirements. This is why Vetroconsult hasbeen using Simatic PCS 7 in its moderniza-tion projects for several years now.

One of these projects was a comprehen-sive modernization in St-Prex in Switzer-land at the beginning of 2006. The produc-tion facility in St-Prex, the birthplace of theVetropack Group, manufactures primarilybottles for domestic wine, spirits, and beerproducers. In conjunction with the upgrad-

In order to retain and strengthen itsposition in the competitive containerglass market, the Vetropack Groupplaces great importance on the con-sistent modernization of its produc-tion plants. Now that more than halfof the company’s melting furnaceshave been successfully modernizedwith PCS 7, Vetropack is able to reapthe benefits: Simatic PCS 7 provides a solid, future-proof basis for opti-mized process control.

The Vetropack Group, which offers acomprehensive range of glass pack-ages for the food and beverage indus-

try, is one of the largest container glassproducers in Europe. Since the beginningof 2006, the company has also operated aglass factory in Ukraine, another majorgrowth market. The group has seven glass-

Process optimization and modernization with Simatic PCS 7 at Vetropack

State-of-the-Art Packaging

GlassFocus 2006

24Totally Integrated Automation

CASE STUDY

ing of the green glass melting furnace, theintroduction of Simatic PCS 7 should alsooptimize the process in order to accommo-date higher energy prices and the statutoryenvironmental protection requirements.

Increased transparency

Ingo Schulz, the Vetroconsult engineerresponsible for the electrical implementa-tion, was able not only to depend on theproven technology of Simatic PCS 7 for themodernization, but also to benefit fromnew functions of the control system usedfor the first time by Vetropack at the St-Prexplant: Web server functionality, sequencercontrols linked with status controls, and acomplete energy evaluation.

All parts of the plant – from the batcharea and the melting furnace, the anneal-ing lehr and fragment removal, to the infra-structure with cooling water and com-pressed air supply – are controlled via astandardized process control system. Thisautomation solution demonstrates the

benefits of Totally Integrated Automation.It provides all of the required data to theplant operator and engineers and also facil-itates a precise energy evaluation. This dataforms the basis for process automation –now and in the future.

A powerful partner

Vetropack sought specific support fromGermany for the engineering at its St-Prexplant: a team from STG Cottbus took on theconfiguration, cabinet construction, instal-lation, and commissioning of the processcontrol system. STG is one of Siemens’most experienced technology partners inthe glass industry, having equipped glassplants with Siemens process control tech-nology in more than 20 countries. Those incharge of the project at Vetropack wereenthusiastic about the support, as the STGteam brought with it sound knowledge and,in particular, detailed understanding of allthe glass technology processes, from whichthe plant in St-Prex is now also benefiting.

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Moreover, they realized that in STG Cottbusthey have found a partner capable of fullyexploiting all the strengths and innova-tions of Simatic PCS 7. Vetropak is thor-oughly satisfied with the partnership andthe results of the work.

Visible results

At the modernized production plant, mod-ern melting technologies and the increaseduse of recycled glass from the factory’sinternal waste-glass processing plant makeit possible to reduce the NOx emissions andthe discharge of CO2 by around 30 percentwithout changing the melting capacity,thereby effectively improving the life-cycleanalysis at St-Prex. �


GlassFocus 2006

25

The new meltingfurnace in St-Prex

PCS 7 provides the plant operatorwith all important data

The new plant at Ince includes one of thelargest automated warehouses in Europe,capable of storing 282,000 pallets offilled and unfilled bottles

Quinn Glass selects Siemens to equip new glass plant

The Right ChoiceWith the good results from a previous project as proof of the company’ssystem and project capabilities, Siemens was a strong contender to equip a Quinn Glass brownfield glass bottle plant at Ince in Great Britain. Anexperienced project team, glass industry expertise, and a redundant systemsolution to ensure continuous plant operation were other factors convincingQuinn Glass to choose Siemens and Simatic PCS 7 once again – a decisionthey have not regretted.

GlassFocus 2006


CASE STUDY

Quinn Glass commenced construc-tion of the new state-of-the-art man-ufacturing plant in Ince, Cheshire,

in September 2003. This Brownfield devel-opment is one of only a handful of plantsworldwide – and the only one in the UK –that manufacture and fill glass bottles onthe same site. Furthermore, the 280 millionPound Sterling investment includes oneof the largest automated warehouses inEurope, capable of storing 282,000 palletsof filled and unfilled bottles.

When Quinn Glass sought a supplier for the control systems, the first company

it approached was Siemens, as Siemens had recently supplied the equipment forQuinn’s new plant in County Fermanagh,Northern Ireland. Nevertheless, for aninvestment of this size, a first-class trackrecord was not enough to ensure Siemens’selection, and Quinn duly considered othersuppliers to ensure it was getting the best.

Plant availability a decisive aspect

In the end, Quinn decided to use Siemensagain. The success of the County Fer-managh project, Siemens’ dedicated teamof engineers with knowledge and experi-

ence operating in the glass manufacturingindustry, the Profibus compatibility, andthe redundant architecture of the Siemenssystems were ideal for this application withits requirement for exceptionally high plantavailability.

As those responsible at Quinn Glass said,Siemens was an excellent supplier on theCounty Fermanagh project, bringingpeople who really understood glass pro-duction and technologies that enabled the tightly integrated control that Quinnneeded. For the new Ince plant, the com-pany knew it would be bringing in equip-

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ment from all around Europe – Germanyand Italy in particular – where Profibus iswidely employed, so Profibus compatibilitywas also an important issue in the selectionof a control systems supplier.

A key factor, however, was the redun-dant architecture. Because of the nature ofthe furnaces and associated equipment,glass manufacturing plants must operatecontinuously – 24/7/365. Plant availability istherefore paramount, as downtime can beextremely expensive in terms of potentialirreparable damage to the plant. WhenQuinn Glass compared the PCS 7 with alter-native systems, it saw that the redundantarchitecture would provide a major advan-tage in terms of greater plant reliability.Consequently, that technological factor,coupled with the experience Siemens has inthe glass industry, was decisive for the finalchoice to go with Siemens.

Another factor in the decision was thatthe control equipment supplier had to beable to engineer and support glass manu-facturing control systems throughout theentire plant life cycle. Typical of glassmanufacturing facilities, the Ince plant isplanned to operate for 20 years or more,

yet Quinn Glass’s engineers are confidentSiemens will be fully capable of assistingwith any necessary maintenance andupgrading of the control system through-out the plant’s life.

Integrated solution for hot and cold end

The glass container manufacturing plantat Ince has 13 production lines, and thefilling hall has five lines. In total there aremore than 7,500 I/O plus more than 10,000more from drives and medium- and low-voltage equipment that are brought intothe system via Profibus. The Simatic PCS 7system easily handles this level of data.

In the County Fermanagh plant, Simatic PCS 7 controllers had been used atthe hot end, but Quinn decided to makewider use of the PCS 7’s flexibility andemploy it in both the hot end and the coldend of the new plant, making this installa-tion an example of the horizontal inte-gration enabled by Totally IntegratedAutomation. Indeed, the Ince plant takesthe automation of glass manufacturing andbottle filling to a new level, thanks largelyto the versatility and excellent visualiza-tion capabilities inherent in the PCS 7.

Furthermore, the Simatic PCS 7’sredundant system architecture providesimproved scope for future upgrades, asboth hardware and software componentscan be altered without interrupting pro-duction. That precludes the potential forcausing damage to furnaces and associatedequipment in the hot end, and it meansthat modifications can be made to the coldend without plant downtime.

Excellent platform

Quinn Glass is very satisfied with theresults of the project and is confident itmade the right decision in choosingSiemens for the Ince plant. In particular,the company approved of the proactiveapproach of the Siemens project team,which demonstrates the depth and breadthof Siemens’ experience in this industry. Inaddition, because it is powerful, scalable,and flexible, the PCS 7 has proved to be an excellent platform on which to base theautomation systems. �

Quinn decided to make wider use of the PCS 7’sflexibility and employ it in both the hot end andthe cold end of the new plant

Ince is one of only a handful of plantsworldwide that manufacture and fillglass bottles on the same site

GlassFocus 2006

27


GlassFocus 2006

28

A s long ago as the mid-1990s, Asahirecognized the huge developmentopportunities offered by the Rus-

sian market and acquired a percentage of the largest glass manufacturer in thecountry, the Bor glass plant. For theautomation of a production line for flatglass, coated glass, and plate glass in Klin,near Moscow, the Siemens Group was con-tracted to provide the project managementfor all the engineering, the installation andcommissioning of the automation anddrive technology, the field instrumenta-tion, and the complete energy supply, aswell as being responsible for the inte-gration of all components supplied bysubcontractors. Simatic PCS 7, part ofTotally Integrated Automation, was imple-mented as the core component of thesolution.

Expertise in Russia

In Bor, around 500 kilometers east ofMoscow, Asahi Glass and its subsidiariesGlaverbel and AGC Automotive operateseveral production lines for float glass andautomotive glass, which have been succes-sively equipped with state-of-the-art tech-nology since the mid-1990s.

Asahi recently decided to upgrade thepower distribution in Bor. As a result of its

previous positive experience with Siemensand the fact that Siemens had alreadydemonstrated in Klin that it was familiarwith the requirements of the Russian mar-ket, Asahi decided to work with Siemensagain. In bidding for this contract, Siemensheld its own against well-known competi-tors, as Bertrand Wiart, project engineer atAGC Automotive, explains: “Several factorsplayed a key role in the decision in favor of Siemens. In addition to the company’sexperience in the Russian market, whichSiemens has already proven, the proposedtechnology – NXAir air-insulated medium-voltage switching systems and Sivacon low-voltage switching systems – matched ourrequirements perfectly. In addition, withSiemens we would be able to purchase allthe components from one source.”

In Bor, Siemens was responsible for theengineering, supplying the required com-ponents, and monitoring the installationof the systems on site.

Another project in Hungary

At almost the same time as the project inBor, Siemens was able to secure two ordersfor a new AGC Automotive plant in the Hun-garian town of Tatabanya, where float glassis further processed into automotive glass.The compact gas-insulated NXPlus switch-

ing systems played a key role in tipping thescales in favor of Siemens. Within the scopeof this project, Siemens was responsible forthe ordering, delivery, and commission-ing of the NXPlus switching system, theSimosec systems in the 22-kilovolt range,and Geafol transformers, as well as thedrive technology with Sinamics drives andappropriate motors. Other factors key toSiemens winning this contract were theexcellent glass expertise and in-depth proj-ect experience of the Siemens team.

The successful implementation of thisproject and the exemplary internationalproject coordination contributed to thedecision to have Siemens also supply thecomplete medium-voltage distribution sys-tem and process control technology withSimatic PCS 7 for the new float glass plantin India.

Proven technology and an experiencedteam in India

The float glass line in Roorkee is part of aglass complex that is projected to come intooperation at the end of 2006. Roorkee is thefourth glass production operation of AsahiIndia and will, once complete, be the largestintegrated glass production operation, withlines for reflective glass, mirrors, automo-tive glass, and float glass.

Asahi Glass benefits from international project expertise

Repeat Success For several years, Asahi Glass Co., Ltd., the world’s leading glass manufacturer,and Siemens have been working together successfully to equip glass works all around the world. Following projects in Iran, Belgium, and Russia, Siemenshas recently successfully completed several projects for two subsidiaries of Asahi Glass. In all these projects, Asahi Glass has benefited from theestablished glass and project expertise with which Siemens supports itscustomers around the world.

International Projects

CASE STUDY

Asahi and SiemensIn the last years, Siemens has executed

several projects for Asahi:

At AGC Automotive:

Chuderice, Czech Republic

Roorkee, India

Tatabanya, Hungary

At Glaverbel:

Klin, Russia

Maasglas Tiel, The Netherlands

Liya Glass, Iran

Mol, Belgium

At AFG:

Cinimison, USA

Blue Ridge, USA

GlassFocus 2006

29

On the new float glass line in the Indian town of Roorkee, Glaverbel is usingSimatic PCS 7 at the hot end. The efficientSimatic S7 controllers are being used at thecold end, which is equipped by Grenzebach,as well as in the batch house. Siemens part-ner STG Cottbus was responsible for theCAD designs, software engineering, cabinetconstruction, installation supervision, andcommissioning.

With a total of 1,000 process signals, this is a typical float glass project. Around30 percent of the signals are linked viaProfibus DP and PA, including more than 40 units of the AEG Thyro-P thyristor con-troller. The architecture of the system inRoorkee combines the most cost-effectivesolution possible with a high level of plantsafety. Four of the automation systems arenot redundant. Instead, each of the morethan 80 control loops has a hardwarebackup in one of the 25 Sipart DR24 hard-ware controllers. Each control loop utilizesthe full PCS 7 functionality as a softwarecontroller and also has an independentbackup in a DR24 with an independent sec-ond control output. The Profibus link to theThyro-P heating units is fail-safe due to amodified software solution: if the bus con-nection is lost or reconnected, the heatingwill continue unchanged for the process.

The complete system was tested loop by loop in two steps in the STG testingpanel, including possible error situations.As training for later system maintenance,three engineers from the plant operatortook part in these tests, enabling them tofamiliarize themselves with the hardwareand software of their new system. The sys-tem is currently being installed, with theaim of beginning production at the end of this year.

International expertise

In all these projects, Siemens was able todemonstrate to Asahi how an internation-ally experienced team can support a clientwith optimally tailored solutions from onesource, thereby simplifying project han-dling and reducing the lead time until com-missioning. This enabled Asahi to benefitboth from the strengths of a globally posi-tioned partner and from the great experi-ence Siemens has in the glass industry. �

More information:www.siemens.com/pcs7www.siemens.com/processinstrumentation

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Simatic technology is implemented inboth the hot and cold end at Asahi Glass –consequently, the company fully benefitsfrom Totally Integrated Automation

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The production processes in glassworks require a reliable power supplywith efficient use of energy and a

flexible mains structure. Siemens developsand realizes technically and financiallyoptimized power-supply solutions for itscustomers – from the incoming supply tothe consumer, and from energy manage-ment to the emergency power system.

Integrated – from medium voltage tothe power outlet

Totally Integrated Power (TIP) enablesSiemens to offer products, systems, andtools that consolidate all the componentsfor power distribution in one integratedunit. TIP encompasses the entire life cycleof a power distribution plant – from plan-ning and design to configuration andinstallation to cost-effective operation.

Products and systems that have beentailored to each other, with optimal inter-faces, guarantee reliable operation. At thesame time, standardized interfaces facili-tate trouble-free linking to process controltechnology and building automation sys-tems. Maintenance-free power distributionequipment, such as the gas-insulated mod-ular NXAir and NXAirPlus medium-voltageswitchgear, contributes to the reduction inlife-cycle costs. At the same time, flexiblesolutions are being realized with TIP thatcan also be adapted to new requirements –an important contribution to the protec-tion of investments.

In-house generation as an alternative

Moreover, faced with rapidly increasingenergy prices, the option of generatingtheir own power supply capacities is

More information:www.siemens.com/tip

becoming more and more interesting tocompanies in energy-intensive sectors suchas the glass industry. As a result, gas tur-bines and generation sets as well as sys-tems for optimal energy recovery are alsoincluded in the Siemens range of solutionsfor power supply.

Increase availability, reduce costs

A further aspect of power supply is thesecurity of supply. With computer-aidedinformation management, as offered, forexample, by the Sicam PCC energy auto-mation system, operating personnel areprovided with a detailed overview of thestatus of the supply facilities at all times,enabling them to efficiently prevent poweroutages.

Furthermore, Siemens also offers toolsfor effective energy management. Bymeans of a detailed consumption and loadanalysis, which uses information from theprocess control system and the power sup-ply, peak loads can be avoided and powerconsumption controlled in such a way thatthe cost of the energy required remains as low as possible, without impairing pro-duction. As electrical power comprises aconsiderable portion of operating costs,these investments pay for themselves veryquickly. �

Integrated solutions for power supply systems

Power PackageEfficient production processes require a reliable and uninterruptiblepower supply. This applies in particular to the glass industry, wherequality must be reliably maintained, even during periods of peakload. At the same time, increasing energy prices require a solutionthat also minimizes power costs. Siemens offers a complete packageof systems and solutions for all areas of power supply – from powergeneration to power distribution within buildings.

GlassFocus 2006

30Power Supply

SOLUTION

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GlassFocus 2006

CASE STUDY

Integrated solution bringsnew Bulgarian glass plantonline

All-In-OnePowerWhen the leading Turkish glassmanufacturer Sisecam decided tobuild a new glass plant in thenorthwestern Bulgarian town ofTargovishte, it turned to Siemens to handle the complete powerengineering. The new plant offeredSiemens an excellent opportunity to demonstrate its unique compe-tence as a “one-stop shop” with acomprehensive portfolio of productsand solutions.

The technical bid requirements madeby Sisecam Group, currently ranked15th among all of the glass producers

worldwide in terms of total revenues, calledfor a turnkey solution with type-tested cer-tified cabinets. The stringent customertargets stipulated a low-cost solution thatensured on-time delivery at minimum risk,

good quality, as well as matching and/orconverting compatibilities with Bulgarianstandards. Sisecam also expressed a pref-erence for vacuum circuit breakers. Mostimportantly, everything had to be from asingle source.

Full glass production scope

Valued at a total of 220 million US dollars,the Greenfield project actually consists oftwo state-of-the-art plants: a flat glass aswell as a tableware plant. Moreover, Sise-cam has also built a glass treatment facil-ity at the same location. The daily output ofthe flat glass facility alone is estimated at725 tons. Annual production of the table-ware plant at the site is expected to reach150 tons, or approximately 235 millionglass articles, making Bulgaria the leadingglass producer in Eastern Europe.

Both facilities are located at the samesite, and thus share common utilities. Thescope of the Siemens contract includedsupply of the medium-voltage and lowvolt-age cabinets, the entire cabling and erec-tion of all of the equipment supplied, thepower transformers of tableware plant,transformers for the roof heating and theircontrol cabinets, as well as the installationof a SCADA system. The hardware and software solution saw the integration of8BK20 medium-voltage cabinets with vac-uum circuit breakers, 8PT Sivacon low-volt-age cabinets and third party components.The entire power supply solution formedium and low voltage was supplied by

Siemens, including services for projectmanagement and field cabling as well aserection work support. Consequently, theproject offered Siemens an excellent oppor-tunity to demonstrate the unique “inter-nal synergies” the enterprise possesses asa “one-stop shop.”

Successful commissioning

Both plants have been inaugurated withparticipation of representatives of Bulgar-ian government, municipality and top man-agement of Sisecam Group. This projecthas been awarded by OECD as the biggestgreenfield project in the territory. More-over, the plants will reduce unemploymentat Targovishte – another positive socialaffect of the project. �



The new flat glass and tableware plantsare located in the Bulgarian town ofTargovishte

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32Totally Integrated Power

CASE STUDY

Saint-Gobain Belgium awards major project to Siemens

Power Up

Saint-Gobain has awarded Siemens a contract to completely renew thepower distribution system of oneproduction line for float glass at itsAuvelais site in Belgium. The project is to be completed in 2007.

The aim of the project is to completelyrenew the power distribution systemfor float glass line “A” at the Auvelais

site. The existing system is based on equip-ment provided by multiple vendors.

Technical and solution expertise

Management at Saint-Gobain opted forSiemens as a partner for this major projectbased on Siemens’ technical expertise andthe solution proposed. “We chose Siemensfor several reasons,” explains Fabian Pipart,

project manager at Saint-Gobain. “A clearbenefit for us was the fact that we coulduse Siemens as a one-stop shop, with asingle contact partner. The competitiveprice was also an important factor in ourdecision.” From a technological point ofview, the Saint-Gobain group has beenfamiliar with Siemens equipment for along time. Another key selling point wasthe effective cooperation with OlivierVincent, the international account man-ager of Saint Gobain France.

Turnkey project

Saint-Gobain and members of the Siemensgroup have worked together in the past,but this project is a first for Siemens inBelgium, where it enters a field previ-ously dominated by competitors.

The contract includes the supply ofmedium-voltage distribution systems

with gas-insulated NXPlus switchgear, aswell as Sivacon low-voltage switchboards.Siemens will provide services includingoverall project management, supply ofequipment, engineering, installation onsite, and commissioning – making theproject a turnkey solution.

On track

The entire float line project will be executedover a period of two years and will be com-pleted in April 2007. The project is cur-rently running smoothly, with all work ontrack for commissioning in early 2007. Withthis project, the Siemens team in Belgiumis continuing the successful project partner-ship between Saint-Gobain and Siemens. �


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Siemens-Luoyang cooperation nets promising first results

A Bright FutureThe cooperation agreement between Siemens and China Luoyang Float GlassGroup, signed in 2004 during the International Glass Exhibition in Beijing, has netted first positive results. The company, a major Chinese float glassmanufacturer, had been awarded a government contract to build a ultrathinfloat glass plant in China. The contract proves to be beneficial for Siemens as well. Similar to four other Luoyang float glass operations, the plant will also be equipped with Simatic PCS 7 technology.

A s one of only two large-scaled Chi-nese glass manufacturing enter-prises, the China Luoyang Float

Glass Group has grown into a powerfulforce in terms of economic profitability,business strength, product quality andmarket reputability. Since its founding in1956, Luoyang has emerged as one of thelargest Chinese industry groups. Its mar-keting network spans across all of China aswell as more than 40 countries and regions,including Great Britain, the US, Japan, theRepublic of Korea as well and Hong Kong.

Luoyang is also one of the most pro-gressive Chinese companies. Regarded asan industry trendsetter, the company is the

only Chinese glass manufacturer to pro-duce float glass thicknesses ranging from0.7 to 25 millimeters. Currently operatinga total of nine float glass lines, the com-pany annually produces more than 18,000weight cases of float glass, or some10,000,000 square meters of glass.

Cutting-edge control technology

In order to strengthen their leading posi-tion, Luoyang signed an Advanced SystemIntegrator cooperation with Siemens in2004. The agreement was expected to formthe foundation for a fruitful cooperation. Bythe end of 2005, a total of four new glassplants are being built by Luoyang that will

be equipped with Simatic PCS 7 in the hotend. Moreover, Siemens will also supplymotion control and drive technology forthe cold end.

The first plant is a plant in Algeria thatwill produce 600 tons of float glass per day.Another two new float lines in China arealso automated with the latest version 6.1of Simatic PCS 7. The highlight project,however, is a facility for producing ultra-thin glass. The plant was built in 1998 andwas at that time the first production facil-ity for ultrathin glass in China. This facilityis currently being modernized, and willalso use Simatic PCS 7 for process control.

A win-win situation

The new plant is not the first joint effortbetween Luoyang and Siemens, and theequally efficient and positive cooperationwill continue to ensure optimum produc-tion output at the Luoyang productionsites. The company particularly benefitsfrom the many advantages provided byTotally Integrated Automation, includingincreased reliability and substantial costreductions over the entire lifecycle of itsfloat glass lines. �


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Project support for Schott TFT LCD glass substrate production in Korea

Perfect SupportThe international technology company Schott intensifies its activities in the booming flatpanel display market. Recently, Schott has founded a joint venture for processing largeTFT LCD glass substrates with the leading technology company Kuramoto Seisakusho Co.Ltd. from Japan. The 90 million Euro plant will be built 70 kilometers south of Seoul in the Ochang science park. Series production will start at the end of 2006.

Schott has contracted a team from Siemens for project support in a dedicated post-processing unit in Ochang. For the electrical engineering, water technology, media,power supply and building technology packages, Siemens is responsible for evaluatingthe quotations of the general contractor that have been invited for the bid and helpsSchott clarify technical aspects, gives contract support in Korea and supports transferringthe basic engineering to the general contractor.

PicVue modernizes TFT glass substrate production with Siemens technology

Role ModelPicVue Optoelectronics International Inc., a subsidiary of Taiwan-based STN LCD maker, PicVueElectronics Limited, was established in 2000. The company’s first plant for TFT glass substratewas built in 2001 and started production in the second quarter of 2002.

After two years of operation, PicVue decided to go for major process modifications to improveproduction efficiency. In the scope of this project, two orders were awarded to Siemens. The firstorder comprises modifications of the existing application software running on redundant SimaticWinCC servers with seven terminals and the software for the redundant controller to accommodatefor changes in the furnace and heating control. Moreover, Siemens will supply and integrate newmaster drives, servo motors, controllers and Simatic MP 270B operator panels with the existingdrives system for the glass drawing machine to increase the production rates from two to fourmeters per minute. The specifications developed from the modifications will also be used for thetwo new lines, which are already being built at the Hsinchu site.

Strategic cooperation in Asia

Networking for SuccessTogether with China Triumph International Engineering Company (CTIEC) and the EPC ToledoEngineering from the U.S., Siemens is equipping two new float glass plants in Indonesia witha capacity of 900 tons of float glass per day.

This project is the result of two strategic cooperations: In 2005, CTIEC and Siemens signed a cooperation agreement. Later that year, CTIEC founded a joint venture with ToledoEngineering to integrate the broad and focused know-how of both companies for the Asianglass industry.

The project is presently being executed. Simatic PCS 7 is used as a process automationsystem. The Indonesian project is the second joint project of CTIES and Siemens. CTIEC isquite pleased with the results of the cooperation with Siemens and in 2005, awardedSiemens with the Excellent Supplier Award for excellent support and price/performance ratio. CTIEC intends to also use Siemens products for motion control, process instrumen-tation and power distribution.

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Success is always the result ofconstructive partnerships betweenthe best in a field. That’s why formany years Siemens has workedsuccessfully with numerous mechan-ical engineers and plant designersspecializing in the glass industry. As a result, glass manufacturersbenefit from a coherent and inte-grated automation solution based on Totally Integrated Automation that covers all areas of glass produc-tion and processing.

Working with partners has a longtradition at Siemens, and not just in the glass industry. In

many other areas, Siemens has also workedwith companies that have made a name for themselves in very different sectors,including research and development, engi-neering, plant construction, systems inte-gration, and service and support.

Maximum benefits for the customer

Technology partners, plant constructors,engineering companies, and Siemens worktogether, using their comprehensive prod-

uct, system, and industry expertise, todevelop customized, future-proof solutionsfor automation and drive technology aswell as power distribution – for the maxi-mum benefit of end customers all aroundthe world.

This collaboration is accompanied by thecontinual development of skills and thesteady advancement of partnerships insales and strategic and technical areas, aswell as an absolute orientation to customerrequirements. The collaboration thus rep-resents confidence and quality as well –also important pillars of success in the glassindustry.

Shared development and globalsupport

Siemens supports its partners in the devel-opment of glass-technology solutions thathelp save energy, ensure quality, or mini-mize nitrogen oxides, for example. Theprocess and automation skills of theSiemens glass team are the ideal addition tothe sound technological and processexpertise contributed by the respectiveplant constructor or technology partner.

It is very important to Siemens that thepartnership covers all aspects of the busi-ness life-cycle. From system developmentto project implementation to spare parts

supply, partner companies are able tobenefit from the global on-site presence,availability, and support offered bySiemens, allowing them to optimally sup-port their glass customers all around theworld. At the same time, close cooperationduring the development phases ensuresthat all components – systems, machinery,and drive and automation technology – areperfectly tailored to each other.

Win-win-win

This collaboration within the Siemenspartner network brings numerous benefitsfor all the participants: Siemens is able to expand its own portfolio of solutions,thanks to the special expertise of its part-ners; its partners benefit from workingwith an experienced global player in theglass industry in the field of automationand drive solutions; and the customer canbe sure that it has received a well-engi-neered solution that can be seamlesslyintegrated into the environment of TotallyIntegrated Automation. �

Siemens partner network aligns skills and expertise

Joint Growth

More information:www.siemens.com/glass/partner

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35PARTNERGlass Industry

The efficient use of resources and optimization of the production plants dictate today’s automationrequirements for the glass industry. STG GmbH in Cottbus has equipped and optimized a largenumber of glass production plants using technology from Siemens and has been a Siemensautomation technology partner for years. Both companies benefit from this partnership, as Dr. Peter Hemmann, one of the managing directors and founders of STG, stresses.

Dr. Hemmann, STG GmbH was one of thefirst companies to settle in Cottbus at thetime it was founded.Peter Hemmann: That’s right – we are thefifth entry in the Cottbus trade register. Itreally took a great deal of courage and pio-neering spirit when Helmut Heelemann,Frank Hegewald (who died much too early),and myself founded STG in the spring of1990 just after the wall came down.

But success has proved us right: as aninnovative, technology-oriented companywe have been on a course of growth eversince. This success is based on the methodsof NOx reduction that we had already devel-oped before the reunification of Germany

energy and reducing NOx emissions, opti-mum process control, and specific use ofsensors in the heating of industrial fur-naces. Although we are traditionally athome in the glass industry, we also developindividual solutions for metallurgy andceramics. We take on all tasks relating to therepair and construction of new glass plants,from conception through engineeringright up to commissioning and service.

A lot has changed in control technologysince 1990. How do you cope with theconstantly changing demands?Peter Hemmann: We have worked in veryclose cooperation with Siemens since our

and that we have further optimized at STG.The zirconium oxide measuring probes foroxygen, which work reliably in harsh envi-ronments with extremely high tempera-tures, have evolved from this. With thisproduct we are virtually without competi-tion worldwide.

STG GmbH is now an establishedenterprise. Where are your strengths?Peter Hemmann: We employ more than40 people and are located on the premisesof a former mill in Cottbus, which gives usenough room to find creative and innova-tive solutions for our customers’ problemssuch as models and methods for saving

STG and Siemens: successful partnership for the glass industry

Stable, Long-TermRelationship

GlassFocus 2006

STG GmbH CottbusSTG GmbH was founded in the spring of1990 as an innovative, technology-orientedengineering company. Its now more than 40 employees have since created solutionsfor energy saving and the reduction of NOx

emissions, and for optimum process control,sensor technology, and the heating ofindustrial furnaces. The production sites inthe Grosse Mühle Madlow, a 100-year-oldhistorical building that STG has renovated,offer generous room for efficient engineer-ing and the development of creative tech-nological solutions.

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36 PARTNERSGlass Industry

GlassFocus 2006

methods and have the appropriate equip-ment to ensure that our customers are ulti-mately able to gain success in the eyes ofthe law as well.

You have achieved a great deal with yourcompany, STG. What is your personalvision for the years to come?Peter Hemmann: You know, the wonderfulthing about technology, also automationtechnology, is the continuous progress and the new challenges that it reveals – for example, new modeling techniques forautomation with which system engineer-ing can be improved. Or the use of videotechnologies and evaluation of the picturesto get clear evidence of the process behav-ior. Personally, I want to create and put myown dreams into practice so that I, and mycolleagues here, continue to develop.

Dr. Hemmann, thank you for speakingwith us.

cepts, for example, increase plant avail-ability. This leads in turn to the greatestpossible production throughput and tohigher sales for the glass manufacturer atthe end of the day. The use of fieldbus tech-nology allows significant savings in thearea of wiring and creates possibilities forpreemptive management of the installedassets.

We are essentially the relay in a win-win situation from which all those involvedultimately draw advantages: our customersbenefit from the large network of an inter-nationally active automation technologymanufacturer and from the product im-provements resulting from feedback fromthe different applications, and Siemensgets detailed feedback on the performanceof Siemens products in glass productionprocesses.

Since you work for customers from allover the world, you probably also have tocope with a large number of nationalregulations and laws.Peter Hemmann: That’s true. It’s notalways easy to identify and satisfy the rele-vant regulations. We try to understand ourcustomer’s wishes and the special require-ments of the respective country in intensivemeetings. We offer the necessary tools and

founding and are therefore always up todate with technological developments. Wehave equipped more than 50 plants withSiemens technology in Europe, America,and Asia. The first success was the equip-ping of the glassworks in Döbern, in whichthe Teleperm M control system was used. In1995, we and Siemens sales made our firstcontacts with floatglass plants. Today wehave more than 30 references in this field.Stable and long-term relationships are thebasis for satisfied customers who gain sig-nificant benefits from the technology – forexample, through optimized processes.

How do you find exactly the rightsolutions for your customers’ problems?Peter Hemmann: The most important pre-requisite to finding optimum solutions andsatisfying customers is understanding theprocess requirements down to the lastdetail. We have a process engineering back-ground, and therefore automation is firstand foremost an aid for optimum processcontrol. Besides, the partnership withSiemens and our project experience give usa detailed knowledge of the capabilities ofthe control system that you won’t find inany manual. Both of these factors create arobust, low-cost, and ultimately future-safesolution. Sophisticated redundancy con-

More information:www.siemens.com/glass/partner

The two directors of STG,production manager HelmutHeelemann and managingdirector Peter Hemmann, are proud of their company’ssuccess. This success is due in large part to NOx reductionusing zirconium oxide oxygenmeasuring probes that workreliably in harsh environmentswith extremely high tempera-tures

37

GlassFocus 2006


CASE STUDY

For this cold repair, Saint-Gobain againrelied on proven systems and solu-tions. Following Stollberg and Porz,

the Teleperm M process control systeminstalled in 1987 was also changed over toSimatic PCS 7 at the Herzogenrath factorylast year. Some of the I/O devices from theoriginal Teleperm M system were to beretained. Numerous field devices fromother manufacturers also had to be inte-grated.

Integrated solution for subsystems

The automation system, which is dividedinto several subsystems, covers the entirefloat glass manufacturing process – fromthe glass batch house through the tank tothe cooling lehr. A total of four bus systemsconnect the devices in the periphery to thecontrol systems: the pressure monitors forthe coolant, for example, communicate viaan AS-I bus; the low-voltage switching sys-tem with Sentron 3WL circuit breakers and

Simeas power meters communicates viaProfibus DP; the pressure transmitters andfield devices via Profibus PA; and the ViaCCrecorders for monitoring the top rollers viaIndustrial Ethernet.

Modern technology in several areas

Siemens also took over the software engi-neering and commissioning in addition tothe planning, documentation, and deliveryof switch cabinets, while Saint-Gobain wasresponsible for converting the existingswitch cabinets and the wiring.

The cold repair offered a welcomeopportunity to introduce new technologiesin some production areas as well. For exam-ple, the top-roller control was converted toSimatic ET 200S. Simovert Motion ControlKompakt Plus frequency converters wereused as drives, and the areas of furnace,float, and annealing lehr were equippedwith electrical cabinets with ET 200M. AThyro-P thyristor actuator controlled by

Simatic PCS 7 was integrated for the powersupply to the float bath heater and anneal-ing lehr.

The top rollers are monitored withViaCC, which transfers the video datadirectly to the control station. A total of fourViaCC servers and one parameterizationstation monitor the float belt and automat-ically display the penetration depth andspeed in the video picture.

Successful transition

Saint-Gobain is totally satisfied with theresults of the project, as project managerHermann Josef Dittrich confirms: “At thebeginning you think, ‘So many differentsystems’ – and then with PCS 7, it all goestogether perfectly.” �


Totally Integrated Automation at Saint-Gobain in Herzogenrath

Smooth TransitionInvestment protection is critical in the glass industry. For this reason, thecontrol technology was to be modernized and at the same time parts of theexisting systems were to remain in use during a cold repair at Saint-Gobain in Herzogenrath. The individual systems were connected and integrated intothe overall solution using a total of four different bus systems.

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GlassFocus2006

PublisherSiemens Aktiengesellschaft,Automation and Drives (A&D), Gleiwitzer Str. 555, D-90475 Nuremberg, Germany

www.siemens.com/glass

Group Executive Management Helmut Gierse, Hannes Apitzsch, Dr. Peter Drexel, Anton S. Huber

Editorial Responsibility in Accordance with the German Press LawPeter Miodek

Responsible for Technical ContentsRalph Burgstahler,Bernd Lehmann

ConceptChristian Leifels

Publishing HousePublicis KommunikationsAgentur GmbH, GWACorporate Publishing ZeitschriftenP.O. Box 3240, D-91050 Erlangen, GermanyTelephone +49 (0) 91 31/91 92-5 01Telefax +49 (0) 91 31/91 92-5 [email protected]

Editorial staff:Kerstin Purucker (ChR), Gabriele Stadlbaur

Layout:R. Degenkolbe

Copy editors:Irmgard Wagner

DTP: Doess, Nürnberg

Printed by: Wünsch Offsetdruck GmbH

Jobnummer: 002100/RÖE64

Circulation: 5.000

© 2006 by Siemens Aktiengesellschaft Munich and Berlin. All rights reserved by the publisher.

This edition was printed on environmentally-friendly chlorine-free paper.

The following products are registered trademarksof Siemens AG:ET 200, GEAFOL, MASTERDRIVES, MP370, NXAIR,SENTRON, SICAM, SIEMOSYN, SIMATIC, SIMATICMulti Panel, SIMEAS, SIMOSEC, SIMOTION,SIMOVERT, SINAMICS, SINUMERIK, SIPART, SITOP,SITRANS, SIVACON, SIWAREX, TELEPERM, TIA, TIPWinCC

If trademarks, technical solutions or similar arenot included in the list, it does not imply that theyare not protected.

The information provided in this magazinecontains merely general descriptions orcharacteristics of performance which in case ofactual use do not always apply as described orwhich may change as a result of furtherdevelopment of the products. An obligation toprovide the respective characteristics shall onlyexist if expressly agreed in the terms of contract.

Order No.: E20001-A500-P620-X-7600

onlineonline

DIALOGUE

Glass on the InternetFind out more about the Siemens systems and solutions for the glass industryin the Industry Suite Glass Internet portal:

www.siemens.com/[email protected]

teamteamThe Siemens Glass Team:Global knowledgeThe Siemens Glass Team is a network of committed employees with a keeninterest in the glass industry. They support the glass industry worldwidewith products, systems, and solutions for optimizing the economy andefficiency of production and ensuring product quality. Teamwork and anunderstanding of the problems in glass production are just as essential asthe intensive consulting provided to customers in the design phase.You can find your contact partner on the Internet or by e-mail:

[email protected]

cooperationcooperationSimatic PCS 7 at the Zwiesel School of Glass Technology

The Zwiesel School of Glass Technology trains future glass specialists in three institutes that offer a broad range of training and qualificationcourses. The main part of the school is a training and experimental glassplant that is used for educational purposes and for producing fine glasswaresuch as vases and gift items.

Siemens has delivered a Simatic PCS 7 process control system for thisglass plant to support education at the Zwiesel School of Glass Technology.Engineering and automation were supplied free of charge by UAS.

Consequently, future glass production technicians will have the oppor-tunity to work with state-of-the-art automation technology during theirtraining and will benefit from this knowledge in their careers.


www.glasfachschule-zwiesel.de

Maximize …

Our top priority? Keeping productivity curves on the upswing for the glass industry. TheSiemens Glass team, backed by innovative technologies and years of experience in theglass industry, is expert in creating profitable solutions that remain viable into the future.Our approach integrates all levels of your enterprise from the field to management, andall processes from raw materials to finished glass products. Whether you’re installing a newfacility or upgrading an existing one, we’ll integrate your field instrumentation, IT andautomation and energy technologies to create a complete, comprehensive solution.For you, Totally Integrated Automation means increasing flexibility, higher quality,minimized costs – and a clear competitive advantage for your company.You can contact us directly at [email protected]


Greater productivity –with more flexibility at lower cost

… your Profit

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