Processor Editing — Mastercam Post

arctype : 0 # 0=IJK, 1=R, 2=signed R, 3=Unsigned R Change 0 to 1 for R.

Introduction: The Bridge Between CAM and CNC In the world of Computer-Aided Manufacturing (CAM), Mastercam holds a throne as one of the most powerful and widely used software platforms. However, generating a toolpath is only half the battle. The true magic—or nightmare—begins when you need to convert that toolpath into G-code that your specific CNC machine understands.

Find:

A post processor is a translator. It takes the generic NCI (Numerical Control Interface) file from Mastercam and converts it into a specific dialect of G-code (Fanuc, Haas, Siemens, Heidenhain, etc.). Out of the box, Mastercam includes hundreds of generic posts, but generic rarely means perfect.

Find the arctype variable. Usually at the top of the post. mastercam post processor editing

Original:

Locate the scoolant string definitions.

Find the rot_feed or ctable logic. Look for use_rotm variable.