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// Controllers · Plasma (Mach3 / Mach4)

CAM for Plasma (Mach3 / Mach4)

Plasma tables on Mach3, Mach4 or similar controls, without their own pierce logic.

Open MillPath The controller check

What the Plasma (Mach3 / Mach4) post writes

  • G0 to pierce height, M3, G4 pierce delay, G1 down to cut height, cut, M5
  • No torch height control words (they differ from table to table: learn them from one of your files)

Files end in .tap. Every file is read back before export and checked against the simulated toolpath.

Not yet confirmed on a machine. This post follows the controller maker's documentation. Before the first real job, run the controller check in the air — or compare with a file that already runs on your machine (Export options → Check this post).