For modern versions of Mastercam (Mastercam 202X), files must be placed in the Shared Mastercam directories located on your local drive.
Once you have securely downloaded your post processor file, you must place it in the correct directory for Mastercam to recognize it. Mastercam post processors typically consist of a .PST file (the processing logic) and a .TXT file (the text string definitions). Follow these steps to install them: Step 1: Locate your Shared Mastercam Folder
Mastercam operates through a global network of authorized resellers. For many users, the reseller is the only source for truly functional post processors.
"Custom Post Processor Creation for Mastercam" — technical guides and conference papers describing Mastercam's post language, MPPost, and how to implement features like canned cycles, tool-change handling, and coordinate transforms. Look on Mastercam forums, university course pages, and engineering conference proceedings. mastercam post processor download link
The first place to look is the official Mastercam Post Processor page . They maintain a library of over 3,400 ready-to-run posts covering everything from simple mills and lathes to complex Swiss and Mill-Turn machines. : Standard machine and control combinations.
The absolute best and safest place to find a is the official Mastercam Tech Exchange .
Because post processors translate Mastercam's generic toolpaths into machine-specific G-code, using the wrong "free" download can lead to costly crashes. Below is a guide on where to find official, safe download links and how to request custom files. 1. Official Mastercam Tech Exchange (Fastest Link) For modern versions of Mastercam (Mastercam 202X), files
If you cannot find a specific post processor on the Tech Exchange, or if you require a complex post for multi-axis machines or mill-turn centers, your local Value-Added Reseller (VAR) is your best resource.
Before we discuss a download link, we must understand the function. A Mastercam Post Processor (usually a .pst or .psb file) is a translator. It converts the generic NCI toolpath data (cutter location points, feed rates, spindle speeds) from Mastercam into the specific dialect of G-code your machine controller understands.
For the majority of users, the official Mastercam website remains the gold standard for acquiring safe, tested post processors. Follow these steps to install them: Step 1:
: Inside Mastercam, go to the Machine tab > Machine Type > Manage List to add your new machine to the active menu.
Where to download:
Here are a few interesting academic/technical papers, theses, and resources about Mastercam post-processors and CNC postprocessor development (with suggestions on where to find downloadable PDFs):
These files are located in your shared Mastercam directories (typically C:\Users\Public\Documents\shared Mastercam 202X\chooks or \mill\Posts ). How to Install a Downloaded Mastercam Post Processor