The CNC machine uses a handheld plasma cutting torch as its base, which uses a blowback start mechanism making it usable in an automated CNC setup without interfering with the control electronics.

Pilot arc torches, which are more suitable for CNC cutters, can strike the arc through a separate conductor without the need to contact the workpiece.

Metal fabrication is all about building and customizing your 4x4. We show you some advanced metal cutting with a new plasma cutter: the Cutmaster 52 from Thermadyne. More inside Four Wheeler Magazine.