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Table 7-2 Welding method description
Legend for commonly-used torch trigger operations
↓
Press the torch trigger
↑
Release the torch trigger
Mode
No.
Operation Schedule
Torch trigger operation and typical DC TIG
current curve
1
Spot welding mode:
1. Press the torch trigger to start
the arc to the set value;
2. The arc extinguishes after the
spot welding finishes running for
the set time.
2
2T mode:
1. Press the torch trigger to
increase the arc up to the
designated peak current
2. Release the trigger to slowly
extinguish the arc
3. If the trigger is pressed again
before the arc is extinguished, it
will slowly increase to the peak
current
3
4T mode:
1. Press the torch trigger to start
the arc to the initial value
2. Release the trigger to slowly
increase to the peak current
3. Press the trigger to slowly drop
to the finish current
4. Release the trigger to
extinguish the arc
4
Repeat mode:
1. Press the torch trigger to start
the arc to the initial value
2. Release the trigger to slowly
increase to the peak current
3. Press the trigger to slowly drop
to the finish current
4. Release the trigger to slowly
step up to the peak current
5. Repeat steps 3 and 4 until the
Press the torch
trigger
Arc starting time
Summary of Contents for TIG200
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