PULSED DC TIG
Process:
1. Choose pulsed TIG DC mode.
2. Choose Pulsed Arc Function.
3. Select the type of arc ignition in TIG Lift Arc, High Frequency (HF).
4. Selection of 2T / 4T torch activation.
5. Adjust pre-gas time.
6. Adjust the starting current.
7. Adjust the power rise ramp (rise time).
8. Maximum current setting (peak)
9. Minimum current setting (base)
10. Adjustment of the power down ramp (down time).
11. Adjust pulse frequency.
12. Pulsed ratio (pulsed wave useful cycle).
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T
tp
p
b
p - Peak current
b - Base current
tp - Peak current duration
T - Wave period
t
27
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