Tig Welding Process; Mig Welding Process (Mig/Mag) - LORCH X Series Operation Manual

Start-up
12.2

TIG welding process

Switch on the system
 Switch on the system at the main switch 6.
 Press button (Control Pro) or 58 (BasicPlus) re-
50
peatedly until the desired TIG operating mode is se-
lected.
9 The TIG symbol (LED 44) lights up.
 Press button 30 to turn the Pulse function on or off.
(Control Pro)
 Use control knob 56 to set the desired welding cur-
rent.
TIG welding current
Welding current I1
Tab. 3: TIG welding current
Arc ignition
 Open the valve 19 on the TIG welding torch.
 Briefly touch the workpiece with the tip of the elec-
trode at the point to be welded.
 Lift the electrode a little.
9 The arc burns between the workpiece and the elec-
trode.
Upslope
‰ A short-circuit current of 60 A is used for igniting during
the TIG welding process. The upslope takes place with
115 A/s until the set welding current is reached.
Guideline values for the current intensity and
the gas quantity.
Tungsten electrode
diameter [mm]
1,0
1,6
2,0
2,4
3,2
4,0
11.18
Factory
Range
setting
10 to 350 A 100
Current in- Gas quantity
tensity [A]
[l/min]
3...40 4
15...130 5...6
45...180 5...8
70...240 6...10
140...320 6...12
220...450 6...14
909.1550.1-08
12.3

MIG welding process (MIG/MAG)

Switch on the system
 Switch on the system at the main switch 6.
 Press button 51 (Control Pro) or 58 (BasicPlus) re-
peatedly until the desired CV or CC (Control Pro) op-
erating mode has been selected.
9 The CV or CC symbol (LED 45 or 46) lights up.
 Use control knob 56 to set the desired welding cur-
rent (CC) (Control Pro) or welding voltage (CV).
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