The most reliable way to get high-quality, verified post processors is through official Mastercam channels. Mastercam Tech Exchange : This is the primary library for active Mastercam maintenance
: If you can't find a generic post that works, your local reseller is your best point of contact. They can provide custom-built posts for complex machines like multi-tasking Mill-Turns or Swiss-style lathes. Free & Third-Party Options
Once you have downloaded the files—typically as a .mcam-content or .zip file—follow these steps: Post Processing for CAD/CAM Software: Your Complete Guide
In computer-aided manufacturing (CAM), your choice of software is only half of the equation. You can design the most efficient, precise toolpath in Mastercam, but if your CNC machine cannot interpret that data, your production stalls. This is w Mastercam Post Processors Download
Posts are also categorized by machine type:
A post processor (often simply called a "post") is a unique software utility or data file that acts as a bridge between Mastercam and your CNC machine tool controller (such as Fanuc, Haas, Heidenhain, Siemens, or Mazak).
The primary file you will edit is the .pst file. You can open this with any text editor, though using the built-in Mastercam Editor or CIMCO Editor is recommended for syntax highlighting. Within the .pst file, you will find a "Revision log" at the top; always document your changes here with a hashtag (#) and your initials. The most reliable way to get high-quality, verified
Mastercam will automatically update the formatting script to match the latest architecture requirements. Common Customizations You Can Do Yourself
In Computer-Aided Manufacturing (CAM), the precision of your G-code determines the efficiency of your machining. Mastercam stands as an industry-leading software for generating complex toolpaths. However, those digital toolpaths remain useless until they are translated into language your specific CNC machine understands. This critical translation happens through a post processor.
If your machine has limited memory, you can save space by disabling block numbers. Search for omitseq and set it to yes ( omitseq : yes$ ). Free & Third-Party Options Once you have downloaded
While a generic download might get the spindle turning, advanced machines often require a . Generic Post Custom Post Free or low-cost Paid investment Requires manual G-code editing "Clean" code straight to the machine Basic 3-axis support Support for 5-axis, probes, and sub-spindles
: While not official for production downloads, sites like eMastercam.com host educational posts and generic files like the widely used MPMaster series. How to Install Downloaded Post Processors
Locate the end-of-tool or end-of-program blocks ( peof ). You can modify whether the machine retracts to G28 X0 Y0 or utilizes workpiece coordinates like G53 G00 Z0 . 6. Sourcing Post Processors for Advanced Machining
C:\Users\Public\Documents\Shared Mastercam [Year]\CNC_MACHINES 3. Updating Old Posts