Once you have downloaded the .gpp (post-processor logic) and .mac (machine description) files, you need to place them in the correct SolidCAM directory.
| Feature | Free Post (Generic) | Paid/Custom Post | | :--- | :--- | :--- | | | SolidCAM library, user forums | Certified SolidCAM post developer | | Machine compatibility | Basic Fanuc, Haas, Mazak (common models) | Exact machine with all options (sub-spindle, live tooling, C-axis) | | Safety logic | Moderate – may lack collision checks | Comprehensive – includes machine limits, tool holder collision checks | | Cycle support | Standard drilling, tapping | Advanced cycles (high-speed machining, probing, macro calls) | | Support | None or community-based | Phone/email support, bug fixes, updates | | Price | $0 (with license) | $500 – $5,000+ (depending on complexity) | solidcam post processor download free
In simple terms, a post processor is a translator. SolidCAM creates toolpath data (CLDATA), but your CNC machine (Fanuc, Siemens, Haas, Mazak, Heidenhain, etc.) needs specific G-code syntax to run. Once you have downloaded the
Free, legal, but often requires editing. Free, legal, but often requires editing
For commercial and registered users, SolidCAM maintains an extensive online database called the hosted on Salesforce .
When you install SolidCAM, the software comes pre-loaded with a library of standard, universal post processors. These are located in your installation directory (usually under C:\Users\Public\Documents\SolidCAM\SolidCAM20XX\Gpptool ).