I then have the grounding clamp on the CNC frame and into the front of the plasma and a wire from the torch tip connected to to the grounding clamp. I have tied all the earth’s together with good braided copper cable and these are a good connection, so the earth of the Plasma unit to the CNC frame and another off to the control box with PSU and CNC controller. I think the HF circuit is kicking in and I am getting hight volts into the control side some how? ![]() ![]() Having bad day with the plasma CNC cutter, going through control chips like smarties!Īlways on either start-up of arc or end of cut when there seems to be a sputter of the plasma cutting, like when the metal drops away and leaves a hole.
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