your modified post without causing a crash
Mastering Mastercam Post Processor Editing: A Comprehensive Guide
Always duplicate your original .PST file before making any changes. 📝 Common Post Processor Customizations
You can force Mastercam to display exactly which post block is generating each line of G-code. Inside your .PST file, locate the system variable bug2$ and change its value: mastercam post processor editing
Example: Changing m_no_of_tool_change : 0 to m_no_of_tool_change : 1 to change how tool numbers are handled. 4. Edit Post Blocks (The Advanced Way)
pheader$ # Start of program header block "%", e$ *progno$, e$ "(PROGRAM NAME - ", sprogname, ")", e$ "(DATE - ", date$, " TIME - ", time$, ")", e$ "(REVISION - 01)", e$ Use code with caution.
If you switch to R, search for breakarcs and set it to 2 (break at quadrants) to avoid error P/S 34 - Illegal plane select . your modified post without causing a crash Mastering
Creating custom text outputs within the code.
To customize G-code output, you will need to modify the motion blocks ( prapid , plin ). For example, to add a custom comment, you might use: scomm = "MY_CUSTOM_COMMENT" Step 4: Test and Troubleshoot Save the .pst file.
Before you edit it, you must understand it. Creating custom text outputs within the code
The most important area is the . These are the "subroutines" of the post. They start with p (e.g., psof$ for Start Of File, pheader$ for header, pcool$ for coolant, prapid$ for G00, plin$ for G01).
The applications of Mastercam post processor editing are diverse, spanning various industries and machining processes. Some benefits include:
Editing a post processor is essential for efficiency and safety. Common reasons include:
Post blocks are the structural loops that trigger during specific toolpath events. They always begin in the first column (no indentation).