Chinese CNC Plasma START SH-HC30 THC Problems - FIXED!
J-cut Chinese CNC table with START Microstep torch height controller. This is a fix for torch head lift when cutting for first time runs.
Brief description:
In order to have your Plasma source work correctly with a THC, it needs to be sending the correct voltage to the controller. Most of the U.S. Plasma sources will divide the voltage down from 50:1 for safety, and accuracy. Example - you are cutting 14 gauge steel plate with 100 volts out, the plasma source will send 2 volts down the CNC port to your THC controller. If the controller is also dividing from 50:1, it will be sending .04 volts to the THC - which is far to small to be able to use correctly and your torch will want to lift to find the ideal voltage - which it will never find since it is to small of a voltage. (Please note - this is NOT the same as your amps on your plasma cutter - please refer to your included manual to see ideal voltage for cutting. or use a multi-meter to actually check the out going voltage). The problem is with the Chinese THC controllers, they are also dividing the signal to 50:1 after receiving it from your plasma source - which equals a voltage to small to read and use correctly. This video explains how to convert your Chinese THC controller to receive a 1:1 signal instead of a 50:1 signal.
Видео Chinese CNC Plasma START SH-HC30 THC Problems - FIXED! канала Larry Davis
Brief description:
In order to have your Plasma source work correctly with a THC, it needs to be sending the correct voltage to the controller. Most of the U.S. Plasma sources will divide the voltage down from 50:1 for safety, and accuracy. Example - you are cutting 14 gauge steel plate with 100 volts out, the plasma source will send 2 volts down the CNC port to your THC controller. If the controller is also dividing from 50:1, it will be sending .04 volts to the THC - which is far to small to be able to use correctly and your torch will want to lift to find the ideal voltage - which it will never find since it is to small of a voltage. (Please note - this is NOT the same as your amps on your plasma cutter - please refer to your included manual to see ideal voltage for cutting. or use a multi-meter to actually check the out going voltage). The problem is with the Chinese THC controllers, they are also dividing the signal to 50:1 after receiving it from your plasma source - which equals a voltage to small to read and use correctly. This video explains how to convert your Chinese THC controller to receive a 1:1 signal instead of a 50:1 signal.
Видео Chinese CNC Plasma START SH-HC30 THC Problems - FIXED! канала Larry Davis
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