Guides
How to Fix ChatGPT Fusion 360 Post Processor Code
ChatGPT edits to Fusion 360 .cps posts fail in patterned ways: invented API functions, misplaced logic, version drift. The repair method that works.
Lawrence Arya··5 min
Guides
How to Learn G-Code While Operating a Machine All Day
Operating is a full-time view of running programs; turn that view into learning by reading the program you run, drilling the gaps on breaks, and asking why.
Lawrence Arya··5 min
Practice
How to Learn VMC Programming on Mobile: The Honest Split
A phone covers the half of VMC programming that is vocabulary, reading, and theory, and cannot touch the machine half. The four-week mobile plan that works.
Lawrence Arya··4 min
Guides
How to Manually Enter a Tool Offset in G-Code
Most tool offsets are entered on the offset page, not in the program: G43 H calls a length, the table holds the value. Where each lives, and the G10 exception.
Lawrence Arya··4 min
Guides
How to Manually Verify AI-Generated G-Code: Six Passes
AI G-code fails in plausible ways, so verification needs structure: six passes from dialect check to single-block first run, each catching what the last cannot.
Lawrence Arya··5 min
Guides
How to Read a VERICUT Error Log Against Your G-Code
A VERICUT error log triages into four families: program errors, collisions, overtravel, and setup mismatches. Reading it by family beats reading it by line.
Lawrence Arya··5 min
Guides
How to Read G-Code to Find Errors: The Four Error Species
Error-hunting in G-code is a different read than understanding it: four error species, each with telltales, found by scanning in passes instead of lines.
Lawrence Arya··4 min
Guides
How to Read G-Code to Find the Next Tool Change
Finding the next tool change is a search skill: look for the T word and M06, read the preamble that re-establishes the tool, and use it as a safe restart point.
Lawrence Arya··4 min
Guides
How to Safely Restart a CNC Program From the Middle
Restarting mid-program is a state problem: everything the skipped lines established must be rebuilt first. The gather-restore-enter method, step by step.
Lawrence Arya··4 min
Code reference
How to Set Work Zero on a CNC vs a 3D Printer
Printers find their zero by homing to switches; CNC machines are told theirs by touch-off into offsets. Why the philosophies differ, and what transfers.
Lawrence Arya··4 min
Guides
How to Teach G-Code to High School Shop Students
Teaching teens G-code works when it is concrete and fast: start with motion they can see, drill the core, write a square, and run it. The sequence and the traps.
Lawrence Arya··4 min
Guides
How to View Raw G-Code on a Haas Next Gen Control
On a Haas Next Generation control the raw G-code is never far away: the program display, the editor, and memory hold it. The universal path, hedged right.
Lawrence Arya··4 min