Mastercam Post Processor Editing !link! Site
Sometimes you edit the post, but the Control Definition ( .control ) overwrites your changes.
fs2 1 0.7 0.6 # Default for decimal fs2 2 0.4 0.3 # Absolute, 4 place decimal (This is the bad one) mastercam post processor editing
Editing the post automates these rules so your programmers don’t have to manually edit G-code every single time. Sometimes you edit the post, but the Control Definition (
In MP language, the $ indicates a "pre-defined NCI variable" (data coming from Mastercam). The goal is to remove a lengthy tool
The goal is to remove a lengthy tool comment and put the spindle start on a separate line for a cleaner program.
Always copy your original .PST file to a secure backup directory before making any changes. Append the date and a version number to the backup file name (e.g., Generic_Haas_3X_2026_05_31_v1.PST ). Step-by-Step Guide to Post Editing 1. Modifying Initialization Variables
: The script containing the logic and formatting rules for G-code output.