Fronius MagicWave 1700 Job, Operating Instructions Manual

Page: 4 / 148

4
TransTig2500 / 3000 Job...................................................................................................................... 44
TransTig4000 / 5000 Job...................................................................................................................... 45
Installation and commissioning 47
Minimum equipment needed for welding task............................................................................................ 49
General ................................................................................................................................................. 49
TIG AC welding..................................................................................................................................... 49
TIG DC welding..................................................................................................................................... 49
Automated TIG welding ........................................................................................................................ 49
MMA welding ........................................................................................................................................ 49
Before installation and commissioning....................................................................................................... 50
Safety.................................................................................................................................................... 50
Utilisation for intended purpose ............................................................................................................ 50
Setup regulations.................................................................................................................................. 50
Mains connection.................................................................................................................................. 50
Generator-powered operation (MW 1700 / 2200, TT 800 / 2200)......................................................... 51
Connecting up the mains cable on US power sources .............................................................................. 52
General ................................................................................................................................................. 52
Stipulated mains cables and strain-relief devices................................................................................. 52
Safety.................................................................................................................................................... 52
Connecting the mains cable.................................................................................................................. 52
Replacing the strain-relief device.......................................................................................................... 53
Start-up ...................................................................................................................................................... 55
Safety.................................................................................................................................................... 55
Remarks on the cooling unit ................................................................................................................. 55
General ................................................................................................................................................. 55
Connecting the gas cylinder.................................................................................................................. 55
Establishing a ground (earth) connection to the workpiece .................................................................. 56
Connecting the welding torch................................................................................................................ 56
Welding 57
TIG modes ................................................................................................................................................. 59
Safety.................................................................................................................................................... 59
Symbols and their explanations............................................................................................................ 59
2-step mode.......................................................................................................................................... 60
Spot welding ......................................................................................................................................... 61
4-step mode.......................................................................................................................................... 62
Special 4-step mode: variant 1 ............................................................................................................. 63
Special 4-step mode: variant 2 ............................................................................................................. 63
Special 4-step mode: variant 3 ............................................................................................................. 64
Special 4-step mode: variant 4 ............................................................................................................. 64
Special 4-step mode: variant 5 ............................................................................................................. 65
Special 4-step mode: variant 6 ............................................................................................................. 65
Cap shaping and cap overloading ............................................................................................................. 67
Cap-shaping.......................................................................................................................................... 67
Cap overloading.................................................................................................................................... 67
TIG welding................................................................................................................................................ 68
Safety.................................................................................................................................................... 68
Welding parameters.............................................................................................................................. 68
Preparation ........................................................................................................................................... 70
TIG welding........................................................................................................................................... 70
Igniting the arc ........................................................................................................................................... 72
General ................................................................................................................................................. 72
Igniting the arc using high frequency(HF ignition)................................................................................. 72
Touchdown ignition............................................................................................................................... 73
End of welding ...................................................................................................................................... 74
Special functions and options .................................................................................................................... 75
Arc break watchdog function................................................................................................................. 75
Ignition time-out function....................................................................................................................... 75
TIG pulsing............................................................................................................................................ 75
Tacking function.................................................................................................................................... 76
TIG cold-wire welding ........................................................................................................................... 77