6
Automated TIG welding ........................................................................................................................ 41
MMA welding ........................................................................................................................................ 41
Before installation and commissioning....................................................................................................... 42
Safety.................................................................................................................................................... 42
Utilisation for intended purpose ............................................................................................................ 42
Setup regulations .................................................................................................................................. 42
Mains connection .................................................................................................................................. 42
Start-up ...................................................................................................................................................... 43
Safety.................................................................................................................................................... 43
Remarks on the cooling unit ................................................................................................................. 43
General ................................................................................................................................................. 43
Connecting the gas cylinder.................................................................................................................. 43
Establishing a ground (earth) connection to the workpiece .................................................................. 44
Connecting the welding torch................................................................................................................ 44
Welding 45
TIG modes ................................................................................................................................................. 47
Safety.................................................................................................................................................... 47
Symbols and their explanations ............................................................................................................ 47
2-step mode .......................................................................................................................................... 48
Spot welding ......................................................................................................................................... 48
4-step mode .......................................................................................................................................... 49
Special 4-step mode: variant 1 ............................................................................................................. 49
Special 4-step mode: variant 2 ............................................................................................................. 50
Special 4-step mode: variant 3 ............................................................................................................. 50
Special 4-step mode: variant 4 ............................................................................................................. 51
Cap shaping and cap overloading ............................................................................................................. 52
Cap shaping.......................................................................................................................................... 52
Cap overloading.................................................................................................................................... 52
TIG welding................................................................................................................................................ 53
Safety.................................................................................................................................................... 53
Welding parameters: display and navigation ........................................................................................ 53
Welding parameters for TIG.................................................................................................................. 53
Preparation ........................................................................................................................................... 56
TIG welding........................................................................................................................................... 57
Igniting the arc ........................................................................................................................................... 59
General ................................................................................................................................................. 59
Igniting the arc using high frequency(HF ignition)................................................................................. 59
Touchdown ignition ............................................................................................................................... 60
End of welding ...................................................................................................................................... 61
Special functions and options .................................................................................................................... 62
Arc break watchdog function................................................................................................................. 62
Ignition time-out function....................................................................................................................... 62
TIG pulsing............................................................................................................................................ 63
Tacking function.................................................................................................................................... 64
TIG cold-wire welding ........................................................................................................................... 65
MMA welding ............................................................................................................................................. 66
Safety.................................................................................................................................................... 66
Welding parameters: display and navigation ........................................................................................ 66
Welding parameters for rod electrodes................................................................................................. 66
Preparation ........................................................................................................................................... 68
Manual metal arc welding ..................................................................................................................... 69
Hotstart function.................................................................................................................................... 70
SoftStart function .................................................................................................................................. 71
Anti-stick function.................................................................................................................................. 71
Welding job ................................................................................................................................................ 72
Safety.................................................................................................................................................... 72
Welding parameters: display and navigation ........................................................................................ 72
Welding parameters for TIG.................................................................................................................. 72
Welding parameters for rod electrodes................................................................................................. 75
Preparation ........................................................................................................................................... 77
Welding job ........................................................................................................................................... 78
Finishing the welding job....................................................................................................................... 80