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Lorch Schweißtechnik GmbH | www.lorch.eu

M-Pro Series

2009 | Lorch Schweißtechnik GmbH | www.lorch.eu

2

M-Pro Series

Contents:

1. Product types

2. Set up/construction

3. Operation concepts

4. Operation

5. Weldable procedures

6. Application ranges

7. Summary advantages

8. Accessories


Product types

4

M-Pro Series

The new M-Pro.

MIG/MAG-Perfection

for each workshop.

1 Quality machine

3 Operation versions

6 Performance categories

5

M-Pro Series

Stable and strong handles

High quality stainless steel handle

Angled Euro-connector for an optimised wire feed

Large wheels with a brake

Large and practical storage area

Well protected operating panel

50l-bottle capable

double bottle protection

Power saving due to fan standby function

... and much more

The new M-Pro.

Quality in every detail.

6

M-Pro Series

M-Pro product types

Scope of delivery: torch, pressure reducer, earth cable, basket coil adapter, mains connection with 16 CEE-plug, power adapter 230/400 V (M-Pro 170 and 210 only) gas hose 1,8 m with cap nut R 3/8‘‘

CEE 16 CEE 16 CEE 16+Adapter CEE 16+Adapter Mains plug

400 V 400 V 230/400 V 230/400 V Voltage

300 A 250 A 210 A 170 A Performance

M-Pro 300 M-Pro 250 M-Pro 210 M-Pro 170

30/20% 30/20% 25/15% 25/15% Duty cycle max at 20/40°C

0,6-1,2 0,6-1,0 0,6-1,0 0,6-0,8 Weldable wire steel

1,0-1,2 1,0-1,2 1,0-1,2 1,0 Weldable wire aluminium

0,8-12 0,8-10 0,8-8 0,8-6 Weldable mat. thickness steel

2-8 2-6 2-5 2-4 Weldable mat. thickness alu

7

M-Pro Series

Product types M-Pro MIG-Brazing

Scope of delivery: torch, pressure reducer, earth cable, basket coil adapter, mains connection with 16 CEE-plug, gas hose 1,8 m with cap nut R 3/8‘‘

CEE 16 CEE 16 Mains plug

400 V 400 V Voltage

200 A 150 A Performance

M-Pro 200 CuSi M-Pro 150 CuSi

30%/20% 60%/40% Duty cycle max at 20/40°C

0,6-1,0 0,6-0,8 Weldable wire steel

0,8-1,2 0,8-1,0 Weldable wire aluminium

0,5-8 0,5-6 Weldable mat. thickness steel

2-6 2-5 Weldable mat. thickness alu

0,8-1,0 0,8-1,0 Weldable wire CuSi

8

M-Pro Series

M-Pro series

M-Pro

170

M-Pro

210

M-Pro

250

M-Pro

252 (1ph

230v)

M-Pro

300

M-Pro

150 CuSi

M-Pro

200 CuSi

Max. Power 170 A 210 A 250 A 250 A 300 A 150 A 200 A

Basic Plus 2R x x x x x x 0

Control Pro 4R 0 x x x x x x

Performance 4R 0 0 x 0 x 0 x

X = Available

0 = Not Available

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M-Pro Series

Definition of Lorch operation concepts

Unit designed with digital display

Everything you need for proper welding

Wire Speed

Extended operating and function concept

All important information and functions

easily and quickly accessible

Exact current display by (additional) 7-segment display

Wire Speed/Current & Voltage

Very modern - but still easy to use

Practical with synergic line control

Graphic supported operating concept

Modern display technology (OLED)

Basic Plus

Control Pro

Performance

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M-Pro Series

Operation options & range of functions

For all those

wanting

„simply good“

BasicPlus Automatic adjustment

2-roll wire feed

For all those

wanting

„simply more“

ControlPro Automatic adjustment

4-roll wire feed

Voltage- and Ampere-display

For all those

wanting

„simply super“

Performance Automatic adjustment

4-roll wire feed

Voltage- and Ampere-display

Graphic display (OLED)

Powermaster remote control torch

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M-Pro Series

M-Pro „Basic Plus“

Step switch

Automatic wire adjust

2 roll feed

Pure synergic due to automatic

adjustment adjustment of synergic line in feed case

3-Steps and weld

One digital display

wire feed speed (m/min)

correction value in %

display for side parameter such as spot time, interval time, gas post flow, wire burn back, etc.

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M-Pro Series

M-Pro „Control Pro“

Step switch

Automatic wire

Volt and ampere meter

4 roll feed

Pure synergic due to automatic adjustment

adjustment of characteristic line in feed case

3- Steps and weld

Two digital displays

for wire feed speed (m/min)

correction value (%)

pre-selection material thickness

actual value of current and voltage with hold function

display for side parameter such as spot time, interval time, gas post flow, wire burn back, etc.

13

M-Pro Series

Volt and ampere display

Self-luminous OLED-display (Organic Light Emitting Diode)

Graphic supported operating concept

Digastep-electronics for more adjustment accuracy (like C-Dialog)

Pure synergic due to automatic adjustment

3-Steps and weld

PowerMaster-remote control torch

Job store is possible

4-roll wire feed

M-Pro „Performance“


Set up/Construction

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M-Pro Series

Housing/Casing

Robust, galvanised housing

constructed for tough every day use

stable

galvanised & powder coating

front part made from UV-resistant

and fibre-glass reinforced

synthetics

Operating panel is highly visible

Ergonomically designed operating (no kneeling down)

Ideal for applications in trade and industry

16

M-Pro Series

Internal construction

Top-co-ordinated transformer/inductor combination

high quality copper winding for load capacity and very long service life

good heat dissipation

in-sensitive to dust and humidity

automatic fan standby function

Overload protected rectifier

Internal separation of components

separate control area protected from dust

separate wire feed area

Service

easily accessible components

exchangeable components with bolted construction

17

M-Pro Series

Advantages/Benefits

Segregated housing parts

Dust protected area for all of the

electronic and electrical components

Automatic fan standby thus

reducing power and dust

Resistant against deposited moisture

due to additional varnish insulation

Power components in

direct cooling circuit

Fan assembly accessible from outside

Use of copper windings only

Easy-to-service

18

M-Pro Series

Wire feeding without power and gas

positioned at control

Wire feed with precision

2 or 4 roll feed versions

wire feed not made from plastic but high strength synthetic material

feeder plate is completely insulated

substantial reduction of vibrations in wire feed housing

large wire feed rolls of 37 mm

long service life

reduction of wear

improved smoothness

Easy-to-open feed roll (pressure roller)

Hardened wire rolls with ground and knurled central screws for an easy change of wire feed rolls

Wire feed area

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M-Pro Series

Advantages/Benefits

Open and easily accessible wire feed

Wire feed roll is insulated towards the motor

motor axis has no welding potential

Gearbox with synthetic wheels

thus is the wire feed completely potential-free

No open gearwheels (no danger of crushing)

Reinforced glass fibre synthetics

Low in vibration

Long service life due to

application of 37 mm wire feed rolls

No risk of injury

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M-Pro Series

Gas bottle holder

Double gas bottle protection

1st safety chain prevents the upper bottle

against tipping over

2nd safety chain prevents the lower part

against slipping away

Bottle uptake for up to 50 litre bottles

Flat and low tailgate

Advantage:

use of large gas bottles in

compliance with rules and regulations

flat tailgate – to relief the user

preventing accidents at work

21

M-Pro Series

Practical-orientated use

Depositing surface on the machine

Slip-resistant rubber mat

Easy-to-open side with clip-hinges

Interior lighting

Everything has its place in this unit.

22

M-Pro Series

M Pro-Series

Interior lighting

especially in workshops and dark corners

the wire feed section gets some light by

opening the side case

always good lighting conditions

and error-free wire adjustment

Strengthened

wire spool mandrel support

exact vertical spool alignment and filler

wire guidance

no grinding or wobbling of the spool on the

housing – minimising risk of short circuit

23

M-Pro Series

Central connection guidance low-friction guidance of hose package

diagonal wire wire feeding

into the hose package

45 degree feed unit

Advantages:

no bending of hose package

improved wire guidance

characteristics especially

with aluminium

use of longer hose packages possible

minimising wire feed problems

capillary tube does not fall out

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M-Pro Series

Connections

Torch connection (Euro-central connection)

model with DINSE-connector available

connections in front plate are countersunk

due to the crash protection of the handles, bending or breaking of connectors is minimised

ground cable (DIX-connector)

robust DIX-connector

world standard

Advantages

minimising damages due to transportation

designed for tough applications

damage of central connection is reduced

25

M-Pro Series

robust transport wheels for every-day-use

with total-stop-function

125 mm diameter

Advantages

safe castors

large transport wheels

thus safe to move on bad flooring,

grooves and bumps

preventing roll away and

securing transportation

due to brake function

Transport wheels

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M-Pro Series

Transport handles

Safety handles

Crash protection

protecting the connectors (ground cable/torch)

protecting the operating elements

Integrated support of Stainless bar

for improved manoeuvrability

Advantages

very good to transport and guidance

safe transport and moving

high protection function for operation

and connections

27

M-Pro Series

Loading/lifting

Handles on the front side serve also as lifting points for craning

Back side has integrated lifting brackets


Operation concepts

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M-Pro Series

„Basic Plus“ Operating panel

wire feed m/min correction value %

welding current

mode 4-stroke / 2-stroke/ spotting /interval

digital display

control knob parameter value (arc length correction)

welding step (material thickness)

30

M-Pro Series

„BasicPlus“ - 3 steps and weld.

2. Set voltage step

weldable material thickness will be displayed automatically

1. Set characteristic line material/wire/gas-combination

(in wire feed section)

3. Arc fine correction

stepless fine adjustment

31

M-Pro Series

„ControlPro“ operating panel

wire feed m/min correction value %

welding current

digital display

material thickness mm welding voltage

digital display

welding step (material thickness)

mode 4-stroke / 2-stroke/ spotting /interval

control knob parameter value (arc length correction)

32

M-Pro Series

„ControlPro“ - 3 steps and weld.

1. Set characteristic line material/wire/gas-combination

(in wire feed section)

2. Set voltage step

weldable material thickness will be displayed automatically



33

M-Pro Series

„Performance“ operating panel

Schweißen

34

M-Pro Series

„Performance“ operating panel

1. Set characteristic line displayed on OLED-graphic display

2. Synergic-adjustment

21 voltage steps, almost similar to stepless



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M-Pro Series

Benefits of control types

All operating types have characteristic line setting.

Select characteristic line – operator controls only material thickness. (Attention: material thickness setting is a reference value).

Very easy to operate – also for beginners.

Error-free adjustment

Looking for the working point is omitted.

Characteristic line „0“ allows manual machine settings.

Display of set working values – depending on control panel type.


Operation

37

M-Pro Series

M-Pro Synergic function

Take note of the

corresponding charac-

teristic line number in the

right column.

Select from the

characteristic line table

the required

material/wire/gas

combination.

Set the corresponding

number with

characteristic line

selection knob.

1. 2.

3.

38

M-Pro Series

Manual mode

Characteristic line number „0 Man.“

material-wire-gas-combination is nullified.

wire feed and welding voltage can be set manually.

The welding step instead of

material thickness will be displayed.

The must-value for welding voltage instead of

material thickness will be displayed.

If an unassigned number is set with the

characteristic selection knob it will display the

error message „noP“.

ControlPro

BasicPlus

39

M-Pro Series

Application range

Especially to be used:

By professional operators

Craft, trade and workshop

Automotive

Industrial


Summary of advantages

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M-Pro Series

Advantages of M Pro-series

„3 steps and weld“ – operating concept

Choice of different operating panels

Synergic line control – from BasicPlus

Adjustment of material thickness

Green illuminated displays

Turn off control for characteristic line

High quality housing

Potential free wire feed unit

Large wire feed rolls

Angular and countersunk central connector

Static strengthened wire roll holder

42

M-Pro Series


Easy and anatomically designed operation

Well visible operating panel

Dust-free zone for the complete control

Power saving mode due to fan standby

Reduced dust load due to fan standby

Large transport wheels with brake function

50 l bottle holder

Impact protection

Integrated lifting facilities for mechanical lifting

(i.e. crane)

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M-Pro Series


Micro-process based MIG-MAG control

Ideal parameterisation (i.e. welding current, wire feed,

wire back burn, gas back flow and spot time)

High quality industrial electronics

Powerful cooling system

Control electronics are isolated from dust

Potential-free wire feed unit


Summary

45

M-Pro Series

Summary

Perfect welding characteristics and high economic efficiency

processor controlled MIG-MAG logic controlling welding current, wire

feed, wire back burn, gas post flow time and spot time.

best welding characteristics with steel, stainless steel and aluminium

best thin metal sheet characteristics

Easy to operate

High service quality

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M-Pro Series

Summary

Easy to operate and high level of safety

integrated and high quality 2-roll drive with wire insert button

integrated and high quality 4-roll drive with wire insert button

complete series with large transport rolls

completely insulated underneath the wire roll

fine adjustment, 12 adjustment steps

High quality

quality assured manufacture

excellent price/performance rate

solid construction

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M-Pro Series

Lorch - Services

Practical training:

For a small cost along

with purchase of a new

Lorch welding unit, we‘ll

accompany you, locally

and provide the

necessary knowledge:

- Procedure knowledge

- Adjustment knowledge

- Machine knowledge

3 Years Full Warranty:

That means 8760

service hours. – One

year with 365 days

times 3 years.

Provided that the

completed guaranty

card has been

returned to LORCH

The type plate is the

carrier of truth:

We guarantee the

accuracy of our

technical data. Should

your machine not

comply to these

values we‘ll take it

back without any

objections and issue a

full refund


Thank you for your interest.

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