TestDriller UTME is a Computer-based Testing and Learning Application that enables students sitting for Unified Tertiary Matriculation Examination (UTME) to challenge their preparedness. It is by far the best CBT Practice Software available in Nigeria.
Variables control global behaviors like default file extensions, formatting rules, and structural switches. Located at the top of the .PST file, they use a binary switch layout ( 0 for off, 1 for on).
The scripting file that formats the actual NC output according to the machine's syntax requirements. Key Tools for Editing
Mastercam post processor editing is a powerful way to customize and optimize your machining operations. By understanding the basics of post processor editing and following best practices, you can unlock the full potential of your CNC machines and improve your manufacturing efficiency. Whether you're a seasoned CAM professional or just starting out, mastering post processor editing will help you take your machining operations to the next level.
To prevent crashes, ensure every tool change outputs standard safety codes (G17, G20/G21, G40, G49, G80, G90). Search for the psof and ptlchg blocks. Insert a string line forcing these outputs: pbld, n$, "G17 G20 G40 G80 G90", e$ Use code with caution.
Insert pbld, n$, *sg54, e$ inside psof$ and ptlchg$ . The asterisk ( * ) forces the variable to output, even if Mastercam thinks it hasn't changed.
Most machine shops require a predictable set of modifications to make generic posts align with their standard operating procedures. 1. Modifying Program Headers and Footers
The journey from understanding the file structure to confidently editing post blocks is a rewarding one that will significantly boost your productivity and machining safety. Mastering post-processor editing is a challenge, but it's one of the most impactful skills you can develop.
: Adjusting commands to match specific machine tool changer requirements.
Modifying how coordinates are formatted (e.g., suppressing leading/trailing zeros, formatting decimals).
Implementing high-pressure coolant (HPC) toggles.
Lightweight, reliable, and supports custom language parsing. The Golden Rule: Create a Backup
: Before making any changes, copy your original .pst file and store it in a safe location.
: The default NC editor included with Mastercam. It features multi-stream functions and built-in variables.
Practice All Past & Model Questions and Learn By Topics