Fronius TransSteel 2500c, Operating Instructions Manual

Page: 6 / 120

6
MIG/MAG welding, water-cooled .......................................................................................................... 41
Manual metal arc welding ..................................................................................................................... 41
Before installation and commissioning....................................................................................................... 42
Safety.................................................................................................................................................... 42
Utilisation for intended purpose only..................................................................................................... 42
Setup regulations .................................................................................................................................. 42
Mains connection .................................................................................................................................. 42
Connecting the mains cable....................................................................................................................... 44
General ................................................................................................................................................. 44
Stipulated mains cables and strain-relief devices ................................................................................. 44
Connecting the mains cable.................................................................................................................. 44
Fitting the strain-relief device, TSt 2500c MV / TSt 2700c, single-phase operation ............................. 45
Fitting the strain-relief device, TSt 2500c / TSt 2700c .......................................................................... 46
Fitting the strain-relief device, TSt 2500c MV / TSt 2700c MV ............................................................. 47
Fitting the strain-relief device, TSt 3500c.............................................................................................. 48
Fitting the Canada / U S strain-relief device, TSt 3500c ....................................................................... 48
Generator-powered operation.................................................................................................................... 50
Generator-powered operation............................................................................................................... 50
Single-phase operation .............................................................................................................................. 51
Single-phase operation ......................................................................................................................... 51
Explanation of the term „duty cycle“ in single-phase operation ............................................................ 52
Welding time in single-phase operation ................................................................................................ 52
Fitting/connecting the system components................................................................................................ 54
Information on system components ...................................................................................................... 54
Mounting on the trolley.......................................................................................................................... 54
Connecting the gas cylinder.................................................................................................................. 54
Connecting a MIG/MAG welding torch.................................................................................................. 55
Establishing a ground (earth) connection ............................................................................................ 56
Inserting/replacing feed rollers.............................................................................................................. 56
Inserting the wirespool/basket-type spool............................................................................................. 57
Feeding in the wire electrode................................................................................................................ 58
Setting the contact pressure ................................................................................................................. 60
Adjusting the brake ............................................................................................................................... 60
Design of the brake............................................................................................................................... 61
Start-up ...................................................................................................................................................... 62
General ................................................................................................................................................. 62
Prerequisites ......................................................................................................................................... 62
Commissioning ..................................................................................................................................... 62
Welding 63
Power limitation.......................................................................................................................................... 65
Safety function ...................................................................................................................................... 65
MIG/MAG modes ....................................................................................................................................... 66
General ................................................................................................................................................. 66
Symbols and their explanations ............................................................................................................ 66
2-step mode .......................................................................................................................................... 67
4-step mode .......................................................................................................................................... 67
Special 4-step mode ............................................................................................................................. 67
Spot welding ......................................................................................................................................... 67
2-step stitch welding ............................................................................................................................. 68
4-step stitch welding ............................................................................................................................. 68
MIG/MAG welding...................................................................................................................................... 69
Safety.................................................................................................................................................... 69
Overview ............................................................................................................................................... 69
MIG/MAG standard synergic welding ........................................................................................................ 70
MIG/MAG standard synergic welding ................................................................................................... 70
Corrections during welding ................................................................................................................... 70
MIG/MAG standard manual welding .......................................................................................................... 72
General ................................................................................................................................................. 72
Available parameters ............................................................................................................................ 72
MIG/MAG standard manual welding ..................................................................................................... 72
Corrections during welding ................................................................................................................... 73
MMA welding ............................................................................................................................................. 74