EWM Tetrix 351 - Design and Function; General Operational and Safety Principles; Machine Cooling and Ventilation; Workpiece and Current Lead Connections

Contents
Notes on the use of these operating instructions
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099-000115-EW501
17.06.2015
5.9.2 Legend .......................................................................................................................... 42
5.9.3 Installation ..................................................................................................................... 42
5.9.4 Intermediate hose package connection ........................................................................ 43
5.10 TIG hot wire welding .................................................................................................................... 45
5.10.1 Connection plan ............................................................................................................ 45
5.10.1.1 Legend........................................................................................................... 46
5.10.2 Installation ..................................................................................................................... 47
5.10.2.1 Wire feed unit ................................................................................................ 47
5.10.2.2 Power source for hot wire welding ................................................................ 48
5.10.3 Intermediate hose package connection ........................................................................ 50
5.11 Configuring the welding machine for mechanical arc fusion welding .......................................... 52
5.11.1 Selecting a welding task by means of the JOB list ....................................................... 53
5.11.2 Select wire speed operating mode (KORREKTUR / MANUELL) ................................. 53
5.11.3 Setting the welding current and wire speed.................................................................. 53
5.11.4 Function sequences/operating modes .......................................................................... 54
5.11.4.1 Explanation of symbols ................................................................................. 54
5.11.4.2 Non-latched mode ......................................................................................... 55
5.11.4.3 3-cycle operation ........................................................................................... 56
5.11.4.4 Latched mode ................................................................................................ 56
5.12 TIG welding .................................................................................................................................. 57
5.12.1 Welding torch and workpiece line connection .............................................................. 57
5.12.1.1 Torch connection options and pin assignments ............................................ 58
5.13 TIG Synergic operating principle .................................................................................................. 59
5.13.1 Synergic parameter setting in the functional sequence ................................................ 60
5.13.2 Conventional parameter setting in the functional sequence ......................................... 60
5.13.2.1 Set the operating principle (conventional/synergic) ...................................... 61
5.13.3 Select welding task ....................................................................................................... 62
5.13.4 Select welding current .................................................................................................. 63
5.13.5 Welding data display ..................................................................................................... 63
5.13.5.1 Welding current display (ignition, secondary, end and hotstart currents) ..... 64
5.13.6 Expert menu (TIG) ........................................................................................................ 65
5.13.6.1 Welding parameter setting ............................................................................ 65
5.13.7 Arc ignition .................................................................................................................... 66
5.13.7.1 HF ignition ..................................................................................................... 66
5.13.7.2 Liftarc ignition ................................................................................................ 66
5.13.7.3 Automatic cut-out .......................................................................................... 66
5.13.8 Optimising the ignition characteristics for pure tungsten electrodes ............................ 67
5.13.9 Optimal and fast spherical cup formation ..................................................................... 67
5.13.10 Function sequences/operating modes .......................................................................... 68
5.13.10.1 Explanation of symbols ................................................................................. 68
5.13.10.2 Non-latched mode ......................................................................................... 69
5.13.10.3 Latched mode ................................................................................................ 70
5.13.10.4 spotArc .......................................................................................................... 71
5.13.10.5 Spotmatic ...................................................................................................... 73
5.13.10.6 Non-latched operation, version C .................................................................. 74
5.13.11 Pulses, function sequences .......................................................................................... 75
5.13.11.1 TIG pulses – non-latched operation .............................................................. 75
5.13.11.2 TIG pulses - latched operation ...................................................................... 75
5.13.12 Pulse variants ............................................................................................................... 76
5.13.12.1 Pulses (thermal pulses) ................................................................................. 76
5.13.12.2 KHz pulses (metallurgic pulses) .................................................................... 77
5.13.12.3 Automated pulses .......................................................................................... 77
5.13.12.4 AC pulses ...................................................................................................... 78
5.13.12.5 AC special ..................................................................................................... 78
5.13.13 TIG activArc welding ..................................................................................................... 79
5.13.14 TIG antistick .................................................................................................................. 79
5.13.15 Welding torch (operating variants) ................................................................................ 80
5.13.15.1 Tap torch trigger (tapping function) ............................................................... 80
5.13.16 Torch mode and up/down speed setting ...................................................................... 81
5.13.16.1 Standard TIG torch (5-pole) .......................................................................... 82