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INSTRUCTION MANUAL
ACDCTIG-200P Welding machine
PULSE ARGON WELDING (for reference only)
Pulse welding is different from continuous (DC) welding. The basic and pulsed welding
currents alternate. The flow curve is shown in the following sketch. Ip and Ib and their
continuous time tp and tb can be regulated according to the requirements. The amplitude
value of the welding current changes periodically with a certain frequency. Choose pulse
mode for welding thinner welds where greater temperature control is required.
1.4 AC TIG
1. Set switch 11 to "HF TIG" position, pulse switch 9 to "OFF" position
2. Switch 7 to "AC" position
3. The connection method is the same as for 1.1
4. Set the AC Balance - cleaning effect: use switch 6 to select the desired parameter for "AC
balance", the selection range is between 10% to 90%.
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SP =
* 100%
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tp: time at I2 with positive flow
tn: time at In with negative flow
5. Set the AC frequency: use button 8 to set the desired value to 20-250Hz
6. The welding method is the same as in 1.1
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