Demystifying the Machine: A Guide to Mastercam Post Processor Editing
The .PST File (Post Text): This is the human-readable, editable text file containing the logic, variables, and string definitions. This is where 90% of your editing will occur.
The .PSB File (Post Binary): This encrypted file contains proprietary logic from Mastercam or your machine builder. You cannot edit this directly. If you lose the .PSB, you lose the core functionality of advanced 5-axis or specialized posts.
Common Post Processor Editing Tasks
Best Practices for Safe Editing
x$ = The X coordinate from Mastercam.
x = A local variable you defined.
If you write x = 5, but meant to output x$, you will output 0.
Default path: C:\Users\Public\Documents\Shared Mastercam 2024\Mill\Posts\ (Version number varies).