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Design and function

MIG/MAG functional sequences / operating modes

299-030200-TWD01

25.09.2015

35

Non-latched mode

Figure 5-10

1st cycle

•  Press and hold torch trigger.
•  Shielding gas is expelled (gas pre-flows).
•  Arc ignites after the wire electrode makes contact with the workpiece.
•  Welding current flows.

2nd cycle

• Release torch trigger, wire feed motor stops, arc is extinguished.

Latched mode

Figure 5-11

1st cycle

•  Press and hold torch trigger.
•  Shielding gas is expelled (gas pre-flows).
•  Arc ignites after the wire electrode makes contact with the workpiece.
•  Welding current flows.

2nd cycle

• Release torch trigger (no effect).

3rd cycle

• Press torch trigger (no effect).

4th cycle

• Release torch trigger, wire feed motor stops, arc is extinguished.

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Содержание MIG 250 S

Страница 1: ...Operating instructions EN Welding machine MIG 250 S MIG 300 S 299 030200 TWD01 25 09 2015...

Страница 2: ...explicitly excluded This liability disclaimer is regarded as having been accepted by the user when the system is commissioned The manufacturer can neither monitor the compliance with these instructio...

Страница 3: ...MIG 300 S 19 5 Design and function 20 5 1 General 20 5 2 Installation 22 5 3 Machine cooling 22 5 4 Workpiece lead general 22 5 5 Mains connection 23 5 5 1 Mains configuration 23 5 6 Welding torch an...

Страница 4: ...ration to the end user 39 6 4 Meeting the requirements of RoHS 39 7 Rectifying faults 40 7 1 Checklist for rectifying faults 40 8 Technical data 41 8 1 MIG 250 S 300 S 41 9 Accessories 42 9 1 Internet...

Страница 5: ...e hazard is also highlighted using a symbol in the page margin CAUTION Working or operating procedures which must be closely observed to prevent possible minor personal injury The safety information i...

Страница 6: ...sers must observe Correct Wrong Press Do not press Press and keep pressed Turn Switch Switch off machine Switch on machine ENTER enter the menu NAVIGATION Navigating in the menu EXIT Exit the menu 4 s...

Страница 7: ...hocks and burns on contact Even low voltages can cause you to get a shock and lead to accidents Do not touch any live parts in or on the machine Connection cables and leads must be free of faults Swit...

Страница 8: ...accidents if these safety instructions are not observed Non observance of these safety instructions is potentially fatal Carefully read the safety information in this manual Observe the accident preve...

Страница 9: ...currents Stray welding currents can destroy protective earth conductors damage equipment and electronic devices and cause overheating of components leading to fire Make sure all welding leads are sec...

Страница 10: ...ard The user is responsible for any interference caused by welding In order to evaluate any possible problems with electromagnetic compatibility in the surrounding area the user must consider the foll...

Страница 11: ...itable for transport by hand only The machine may not be lifted by crane or suspended CAUTION Risk of tipping There is a risk of the machine tipping over and injuring persons or being damaged itself d...

Страница 12: ...ties of dust acid corrosive gases or substances may damage the equipment Avoid high volumes of smoke vapour oil vapour and grinding dust Avoid ambient air containing salt sea air Non permissible ambie...

Страница 13: ...liability is accepted for any damages arising from improper usage The equipment must only be used in line with proper usage and by trained or expert staff Do not modify or convert the equipment improp...

Страница 14: ...Welding in environments with increased electrical hazards In compliance with IEC DIN EN 60974 VDE 0544 the machines can be used in environments with an increased electrical hazard 3 2 4 Service docum...

Страница 15: ...view 4 1 Front view Figure 4 1 Item Symbol Description 0 1 Carrying handle 2 Machine control See 4 4 Machine control Operating elements chapter 3 Wheels guide castors 4 Connection socket workpiece lea...

Страница 16: ...ing elements for shielding gas cylinder strap chain 2 Key button Automatic cutout Wire feed motor supply voltage fuse press to reset a triggered fuse 3 Connecting nipple G shielding gas connection 4 B...

Страница 17: ...ecking the wire and handle for opening the cover 2 Protective cap Cover for the wire feed mechanism and other operating elements Depending on the machine series you can find additional stickers with i...

Страница 18: ...itch machine on off 4 Rotary dial Spot and interval times Infinite adjustment of the welding time 0 20s in Spots and interval operating mode 5 Rotary dial Pause time Infinite adjustment of the pause t...

Страница 19: ...4 Rotary dial Spot and interval times Infinite adjustment of the welding time 0 20s in Spots and interval operating mode 5 Rotary dial Pause time Infinite adjustment of the pause time 0 20s in Interva...

Страница 20: ...ction If the welding current connections are not locked connections and leads heat up and can cause burns if touched Check the welding current connections every day and lock by turning in clockwise di...

Страница 21: ...witched off Comprehensive descriptions can be found in the operating instructions for the relevant accessory components Accessory components are detected automatically after the power source is switch...

Страница 22: ...ce of work Safe operation of the machine must be guaranteed at all times 5 3 Machine cooling To obtain an optimal duty cycle from the power components the following precautions should be observed Ensu...

Страница 23: ...uctions The resulting network has to be suitable for operating devices according to protection class 1 5 5 1 Mains configuration The machine may be connected to a three phase system with four conducto...

Страница 24: ...ed Operate welding torches with a liner with a guide tube Operate welding torches with a steel liner with a capillary tube Preparation work for connecting welding torches with a plastic core Push forw...

Страница 25: ...lding current shielding gas and torch trigger integrated 2 Welding torch hose package 3 Welding torch 4 Connection socket workpiece lead 5 Workpiece lead 6 Workpiece Insert the central plug for the we...

Страница 26: ...ous and even fatal injury Observe the instructions from the gas manufacturer and in any relevant regulations concerning the use of compressed air Place shielding gas cylinders in the holders provided...

Страница 27: ...bol Description 0 1 Securing elements for shielding gas cylinder strap chain 2 Bracket for shielding gas cylinder 3 Connecting nipple G shielding gas connection Place the shielding gas cylinder into t...

Страница 28: ...process Recommended shielding gas quantity MAG welding Wire diameter x 11 5 l min MIG brazing Wire diameter x 11 5 l min MIG welding aluminium Wire diameter x 13 5 l min 100 argon TIG Gas nozzle diame...

Страница 29: ...ose from the wire spool holder and fall to the ground causing damage to the machine and injuries Securely fasten the wire spool to the wire spool holder using the knurled nut Before you start working...

Страница 30: ...h for steel wires and other hard wires use U groove rollers for aluminium wires and other soft alloyed wires Figure 5 6 Item Symbol Description 0 1 Clamping unit 2 Feed roll tensioner Fixing the clamp...

Страница 31: ...Design and function Wire feed 299 030200 TWD01 25 09 2015 31 Figure 5 7 The welding wire is fed into the rear groove on the wire roll Labels relate to the rear groove on the wire roll when installed...

Страница 32: ...or tools and thus injure persons Do not reach into rotating or moving parts or drive components Keep casing covers or protective caps closed during operation Figure 5 8 Item Symbol Description 0 1 Fee...

Страница 33: ...ool jams Set the contact pressure of the front rollers in wire feed direction to a higher value Press the wire inching button until the wire electrode projects out of the welding torch 5 8 5 Spool bra...

Страница 34: ...rameters The permanently set gas pre flow time is 200ms The wire burn back time is automatically controlled by the machine control using the welding characteristics 5 10 MIG MAG functional sequences o...

Страница 35: ...he workpiece Welding current flows 2nd cycle Release torch trigger wire feed motor stops arc is extinguished Latched mode Figure 5 11 1st cycle Press and hold torch trigger Shielding gas is expelled g...

Страница 36: ...welding Figure 5 12 Start Press and hold torch trigger Shielding gas is expelled gas pre flows Arc ignites after the wire electrode makes contact with the workpiece Welding current flows The wire fee...

Страница 37: ...ows Arc ignites after the wire electrode makes contact with the workpiece Welding current flows The wire feed stops after the pulse time expires Arc is extinguished The process is repeated after the p...

Страница 38: ...number of the spare part 6 1 General When used in the specified environmental conditions and under normal operating conditions this machine is largely maintenance free and requires a minimum of care T...

Страница 39: ...January 27th 2003 used electric and electronic equipment may no longer be placed in unsorted municipal waste It must be collected separately The symbol depicting a waste container on wheels indicates...

Страница 40: ...8 5 Spool brake setting chapter Check settings and correct if necessary Setting pressure units See 5 8 4 Inching the wire electrode chapter Check settings and correct if necessary Worn wire rolls Chec...

Страница 41: ...oltage 17 6 V 32 4 V 15 5 V 38 2 V Mains connection lead H07RN F4G2 5 Mains voltage tolerance 3 x 400 V 25 20 Frequency 50 60 Hz Mains fuse safety fuse slow blow 3 x 10 A Max connected load 8 8 kVA 11...

Страница 42: ...Accessories Internet 42 299 030200 TWD01 25 09 2015 9 Accessories 9 1 Internet For the accessories available for your product go to www teamwelder com Figure 9 1...

Страница 43: ...ponents into the relevant connection socket when the machine is switched off 10 1 1 Wire feed rollers for steel wire Type Designation Item no FE 2DR4R 0 6 0 8 Drive rollers 37 mm steel 092 000839 0000...

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