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33
Set up and operation for AC PULSE TIG Welding
1. Select AC Pulse by pushing
selector key to cycle through to
illuminate AC Pulse icon.
2. Select Peak Current by pushing the selector button to
cycle through to illuminate the Peak Current Icon
3. Turn the Adjustment Knob to set the
Peak Current at 150A
(Range is 20-3200 Amps)
4. Select the Base Current by pushing the selector key to
cycle through to illuminate the Base Current Icon
5. Turn the Adjustment Knob to set the Base
Current at 60A (Range is 30-320 Amps)
150A
60A
Peak
Amp
Base
Amp
7. Turn the Adjustment Knob to set the
Pulse Width at 60%. (Range is 10 - 90%).
6. Select the Pulse width ( % on time of the Peak Amp) by
pushing the selector key to cycle through to illuminate the %
Pulse Icon
150A
60%
30A
40%
Peak Amp
On Time
Pulse Width
The Razorweld 315ACDC machine has digital pulse frequency control. All the parameters for AC & DC Pulse TIG
welding - Peak Amp, Base Amp, Pulse Frequency and Pulse Width are easy to set via the digital control panel.
EXAMPLE OF PULSE AC TIG WELDING - SETUP PARAMETERS:
Material = Aluminium x 3.0mm / Tungsten Electrode = 2.4mm Zirconiated / Gas = Argon
(1) Prepare the machine for AC TIG welding as per the AC TIG operating guide on page
(2) Set the Peak Current at 150 Amps
(3) Set the Base Current around 40% (Base Current is % of the Peak Current eg 40% of 150 = 60 Amps)
(4) Set the Pulse Frequency around 2Hz (pulses per second)
(5) Set the Pulse Width around 60% (the current will spend 60% at Peak Current & 40% at Base Current)
You can experiment by changing any of the variables to see what effect it has over the welding and what the end
result can be, but it is suggested to change only one variable at a time and then check the welding result.
AC
AC
DC
AC PULSE
DC PULSE
DC
Finish
Current
Start
Current
Peak
Current
Base
Current
AC Balance AC Hz % Pulse Pulse Hz
Finish
Current
Start
Current
Peak
Current
Base
Current
AC Balance AC Hz % Pulse Pulse Hz
Finish
Current
Start
Current
Peak
Current
Base
Current
AC Balance AC Hz % Pulse Pulse Hz
9. Turn the Adjustment Knob to set the
Pulse Hz to 2 Hz (Range is 0.5 - 5.0Hz)
8. Select the Pulse Frequency by pushing the selector key to
cycle through to illuminate the Pulse Hz Icon
Peak
Amp
Base
Amp
150A
60%
30A
40%
150A
60%
30A
40%
Time = 1 Second (Hz)
Finish
Current
Start
Current
Peak
Current
Base
Current
AC Balance AC Hz % Pulse Pulse Hz
150A
60A
Peak
Amp
Base
Amp
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