Tcf Testing Capabilities

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2/122 Worldwide Designers & Manufacturers of Air Moving Equipment

Twin City Fan Companies, Ltd.

In todays business world, adapting to the needs ocustomers is more important than ever. Tat is whywin City Fan Companies (CF) has made substantia

investments to greatly enhance our comprehensivetesting capabilities. Tese investments include a brandnew state-o-the-art testing laboratory located at ourworldwide headquarters in Minneapolis, MNextended testing capabilities or proving perormanceon ans up to 4,000 HP at the manuacturing plantlevel; and purchasing cutting edge testing equipmentand tools or enhancing our eld testing capabilities.

Te scope o CFs testing capabilities are very broadand covers a wide spectrum o in-house and onsite

testing services. With this level o technology, we cancontinue to provide our customers with provensolutions to their particular air movement needs whileensuring that they receive the highest quality productor their exact requirements and structural needs. Tisincludes the evaluation o existing systems to optimizeperormance and reduce power consumption.

With the most sophisticated research and developmenttesting laboratories in the industry, only CF has thecollective experience and knowledge needed or tackling

the most technically complex testing requirements orthe most demanding environments.

TestingCapabilities

10' x 10' shaker table capable o seismic testing up to10,000 lb ans to meet IBC and OSHPD requirements

Max test an HP up to 4,000AMCA & UL Accredited

Overspeed vacuum test chamber

73,000 cubic oot reverberant sound room with puretone qualication and environmental isolation

Fabrication capacities or testing new concepts

Laboratory Highlights


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R AMCA 204 Balance & Vibration esting

R AMCA 210 Perormance esting

R AMCA 250 Jet Fan Trust esting

R AMCA 260 Induced Flow esting

R AMCA 300 Sound esting

R UL 705 Saety esting

R Seismic esting

R

High emperature/Survivability estingR Mechanical Run esting

R Narrow Band Sound & Vibration esting

R Impact (Bump) & Overspeed esting

R Strain Gage esting & Analysis

R Modal Analysis esting

R Vibration Analysis & FF Spectrum Analysis

R Scaled Model esting

R Custom / OEM Product Designs

TwinCityFanCompanies

TCF Testing Laboratory

Lab Control Station

AMCA 300 Sound Test Facility

10'x10' Shaker Table for Seismic Testing

In-House Testing Capabilities

R AMCA 203 & 803 Perormance esting

R Sound esting

R Vibration Analysis & FF Spectrum Analysis

R Balance & Alignment esting

R Modal Analysis esting & Operation DeectionShape (ODS) Analysis

On-Site Testing Capabilities

TCF



Test Lab AMCA 210 Chamber & AMCA 260 Induced Flow Testing

CF can provide accurate and repeatable airow, pressure andpower data or ans o all types by perorming an airlowmeasurement test per AMCA standards 210 and 260 using oneo three chambers and our AMCA 260 induced ow box locatedin our test lab. wo o the chambers can accommodate airowrates up to 65,000 cubic eet per minute and static pressures upto 10 inches o water while the third high pressure chamber canhandle airow rates up to 10,000 cubic eet per minute and staticpressures up to 80 inches o water. Te AMCA 260 box is capableo testing ans with inlet diameters o 50 inches or smaller.

Manuacturing Plant - AMCA 210 Duct Testing

When a an exceeds the size limitations o our chambers, largescale duct testing can be conducted at one o our manuacturingplants. CF can provide accurate and repeatable results byperorming airow measurement testing per AMCA standard210 or ans o virtually any size, airow rate, static pressureand horsepower. Tis method o testing is very space consumingand requires a very long duct section to be attached to the an.

Manuacturing Plant - Modied AMCA 203 Guidelines

Another option or determining the airow perormance oans that are too large or our chambers is to perorm an airow

measurement test using guidelines rom AMCA publication203 at one o our manuacturing plants. For this particular testans are installed with ductwork on the outlet and either a belor duct on the inlet. Tis results in accurate and repeatable testingand generally requires less space than an AMCA 210 duct test.

Note: TCFs test lab, the Brookings, SD manuacturing plant and all testingpersonnel are NQA certifed or the air perormance testing o ans used inthe nuclear power generation industry.

Field Testing - AMCA 203 & 803

When installed ans are required to be tested in the eld, they

are tested in accordance with the AMCA 203 or 803 testingguidelines. AMCA 203 covers the eld testing o all ans ingeneral, whereas AMCA 803 covers the eld testing o industriaprocess ans or the power generation industry. When testingany an in the eld, the overall system must be careully takeninto consideration to accurately determine where the measurements will be taken and i there are any system elementsthat may negatively aect the an perormance. Tis testing canlead to huge returns by optimizing existing systems.

Air Performance Testing

TestingCapabilities

Test Locations

Test Lab Plant On-Site



Sound Performance Testing

Vibration Testing

CF has added a 73,000 3, AMCA accredited reverberant sound

room to its test lab or the purpose o conducting soundperormance tests per AMCA standard 300. Tis room isqualied or both broadband and pure tone sound measurementand used or developing an sound level ratings, trouble-shooting noise issues and perorming contract testing.

For ans that are not able to be tested in our lab, CF oers amodied AMCA 300 test guideline that can be perormed atany o our manuacturing plants. Tis testing method utilizesprinciples rom the standard that can be used outside o areverberant sound room.

I the an must be tested in the eld, CF can perorm anon-site sound survey. Principles rom AMCA 300 can beapplied, but special considerations must be made to accountor background noise, motor and drive noise and roomgeometry and construction.

Note: TCFs test lab, the Brookings, SD manuacturing plant and all testingpersonnel are NQA certifed or the sound perormance testing o ansused in the nuclear power generation industry.

Standard balance tests are perormed on all complete anassemblies size permitting. Tis ensures that there are nonoticeable mechanical deects such as rubbing, bearing noiseor excessive bearing heat and the vibration levels ltered intothe running speed are reported. CF can also provide

vibration reports that include the ltered and overall levels irequested. Customers oen require longer run tests to allowthe bearing temperatures to stabilize. In order to achieve thestabilized temperatures, CF will run the an or two hoursand record both the bearing temperatures and bearing

vibration levels every 15 minutes or as specied.

When speciications call or the detrimental resonantrequencies in a an assembly to be identied, CF can perorma coast down test. Coast down testing involves running thean up to the desired speed and then decelerating slowly. Byrecording the vibration levels until the an comes to a stop,the detrimental resonant requencies can be identied. Inaddition to these standard tests, CF is able to test to any

vibration specication that a customer requires.


Test Locations


Test Locations




Seismic Testing

For geographical locations susceptible to earthquakes

it is critical to have equipment that is capable ooperating ater a seismic event. he CaliorniaOfce o Statewide Health Planning & Development(OSHPD) has established a program that requiresall equipment used in any health care acility to bepre-approved prior to installation within the state oCaliornia. Te International Building Code (IBC)has also developed stringent building codes ormachinery that will be used in seismically activeareas. As a result, CF has invested in a shake tableto simulate earthquakes that meet both IBC and

OSHPD requirements. Te table is 10' x 10' and isable to shake both oor mounted and ceiling hungunits. Te maximum payload weight is 10,000 lbs.

Bump Testing

I it is required to determine the natural requencieso a an rotor assembly and/or an structure, CFoers bump testing to identiy these requenciesBump testing can be perormed on a rotor assemblysuspended in air or on a structure mounted to theoor and involves placing accelerometers in strategiclocations on the rotor assembly and/or an structure

Once the accelerometers are afxed to the unit, it is

impacted with a mallet and the response is measuredusing diagnostic equipment to determine the naturarequencies present in the unit.

Note: All custom Clarage impellers are bump tested.

TestingCapabilities

Test Locations

Test Lab

Test Locations




Operational Modal Testing

Jet Fan Thrust Testing

When troubleshooting an vibration issues, it is

helpul to know the dominant mode shapes that arebeing excited. A useul tool or doing this is OperationDelection Shape (ODS) testing. In this method,vibration readings are taken o the an usingaccelerometers while it is running. Tese levelscan then be imported into a 3-D model o the an.

By plugging in the actual vibration levels rom thean, it is possible to animate the vibration and seethe mode shape that is being excited. Tis inormationis eective in determining i the vibration will cause

early ailures and reduce the lie o the an assembly.

When using jet ans in tunnel ventilation applications,it is critical to ensure that they are capable o quicklyventilating a tunnel in an emergency situation. Teseans are specied by the amount o thrust they producerather than a typical ow vs. pressure specication.CF is able to test to AMCA standard 250 and ISOstandard 13350, which outline the method or testingjet tunnel ans.

In these tests, the an is mounted on a table that isree to move axially on linear bearings. A stationarymounted thrust gauge is then attached to the tableto measure the thrust generated by the an while itis running. CF has the capability to perorm jet anthrust testing both at our test lab and our manuacturingplant in Pulaski, N.


Test Locations


Test Locations

Test Lab Plant



Overspeed Testing

High Temperature Testing

o ensure our customers that a an will saely operateat the speed that they have specied, CF has investedin overspeed chambers or our test lab and manuac-turing plants. Overspeed testing allows us to run a anat an increased speed or a given amount o time andprove that it will withstand the customers specicapplication.

Te overspeed chamber in our test lab is capable ohandling an wheels up to 58 inches diameter. For

large wheel sizes, the overspeed chamber at ourmanuacturing plants can accommodate wheeldiameters up to 118 inches.

Certain applications require the ans to either besubmerged in high temperature air or handle hightemperature air in the airstream. Tat is why CFhas developed a method o testing the survivabilityo ans up to 900F (482C) at our Pulaski, Nmanuacturing plant.

Te test an is installed in a closed loop system that

recirculates the heated air through the an. Tis ensuresthat the mechanical design o the an is able to standup to the hot environment. CFs customers can becertain that when the an is installed in a hightemperature application, it is ready to do the job.

TestingCapabilities

Test Locations

Plant

Test Lab

Test Locations

Plant



Strain Gauge Testing

UL 705 Safety Testing

In many high speed applications, customers requirestrain gauge testing to ensure their an can toleratethe application in which it is being used. Tis testinvolves utilizing a series o strain gauges that areapplied in the largest stress concentration areas. Byrunning the an and measuring the strain, we candetermine i there is any deormation in a an wheelduring operation.

Strain gauge testing is a specialized procedure that

requires careul attention to detail by a skilled andexperienced technician. CF is able to perorm straingauge testing at both our test lab and our manuacturingplant in Pulaski, N.

For many commercial applications, UL 705 certicationis required to ensure that the motor in a power rooventilator will withstand voltage uctuations, over-heating and a variety o other abnormal circumstances.Our test lab has been accredited by UL to perormthese tests on power roo ventilators up to 15 HPusing a 60 Hz power source at any voltage between85V and 635V.

Te saety testing includes motor winding temperaturerise tests at multiple voltages, start/stop testing, hal-wave endurance testing (or motors supplied withsolid state speed controllers), dielectric testing andrain testing.


Test Lab

Test Locations

Plant

Test Lab

Test Locations



Custom / OEM Designs

Engineering ServicesR Finite Element Analysis (FEA)R Non-Destructive esting (ND)R Computational Fluid Dynamics (CFD)R System Model Evaluation

Engineering Services

Custom / OEM Designs

RPrototypingRProduct RedesignREvaluation o Existing Products

TestingCapabilities

CF products are engineered and optimized througha series o analyses and validation including FiniteElement Analysis (FEA) and Non-Destructive esting(ND). Tese tools are used to veriy the structuralintegrity o our products under various loadingconditions, analyze the natural requencies, as welas analyze torsional natural requencies. o betterserve our customers, we can oer these services uponrequest.

CF has been custom designing products or ourentire customer base or decades. By leveraging our

expansive engineering and application expertise, wehave become experts at tackling the most technicallycomplex and unique applications. Tis oen involvesevaluating our customers existing an technologyand, in many cases, requires us to redesign and proto-type a ully-customized an solution.

We have worked side-by-side with the most prevalentcompanies in the world and have earned a reputationor turning ideas into innovative solutions. Ourindividualized eorts to satisy the specic needs o

our customers is yet another way that we continueto distinguish ourselves in the market.

TCF

In-House

TCF

In-House



Startup Services

Turnkey Services

Startup Services

RFan Assembly InspectionRVibration ChecksRCoupling & Sheave Laser AlignmentRInstallation Assistance

Turnkey ServicesR Installation & CommissioningR Field Repairs/RebuildsR Duct Work ModicationR Motor/urbine AlignmentR Coupling AlignmentR Preventive MaintenanceR Engineered Retrots All BrandsR Fan Balancing


Keeping existing ans in service as systems change tosuit environmental regulations, process enhancements,and energy consumption is an extremely importantaspect o our business. We are proicient at applyingour engineering experience to make the necessarymodiications to existing equipment and can providecomplete turnkey solutions or rebuilding andrepairing ans in the ield.

CF also has a retroit program designed to increasethe eiciency o large industrial ans that can have

paybacks in as little as six months.

On-Site

Having the peace o mind that your an is installed andoperating properly prior to startup is crucial. CF can

oer a wide range o startup services and precisionchecks including inlet and wheel operationalclearances, torque veriication, shat alignment,balance and vibration testing. As part o our standardstartup services, CF ield personnel will conduct avariety o inspection checks to ensure the an is readyor startup all the way rom the oundation bolts tothe lubrication o the an.

We also oer Air Make-Up startup services. Ourtrained technicians can commission your natural gas

ired heating equipment and control system.

On-Site


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Twin City Fan Companies, Ltd.

Our Mission:

o be a quality and highly respected global company inall that we do.

o design, manuacture and distribute quality air movingand related equipment or worldwide use that ulllsthe wants and needs o the customer at the best value.

o provide our customers with a consistently high levelo service:

- beore the order is secured- during its ulllment- afer the product has been delivered

o create a partnership with our suppliers, customers,representatives and employees to enable us to continuallyimprove our perormance.

o enhance and sustain our company culture to ensureit continues to thrive and allows us to develop long-standing relationships that contribute to our success.

win City Fan Companies, Ltd. | 5959 renton Lane N | Minneapolis, MN 55442

Phone 763.551.7600 | Fax 763.551.7601 | www.twincityan.com

Tcf Testing Capabilities

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