Guides
Why Did ChatGPT G-Code Crash My CNC? What to Check
AI-written G-code crashes because the model does not know your machine, offsets, tools, or fixtures, and it can invent codes that look right. Here is what to check.
Lawrence Arya··4 min
Guides
Why Did My End Mill Break on G01? Common Causes
An end mill usually breaks on a G01 feed move from overload: too much feed, too deep a cut, a straight plunge, or a wrong speed. Here are the causes and fixes.
Lawrence Arya··4 min
Practice
Why Do Machinists Still Write G-Code Manually?
CAM generates most production code, yet machinists still type G-code daily: MDI moves, edits at the machine, simple parts, macros, and fixing what CAM got wrong.
Lawrence Arya··4 min
Guides
Why Does My Conversational Program Throw a G-Code Alarm?
Conversational programming still generates G-code underneath, so it can still alarm: bad inputs, undefined tools or offsets, or a missing software option.
Lawrence Arya··4 min
Code reference
Why Is G02 Cutting a Straight Line? Common Causes
G02 cuts a straight line when the arc is not actually defined: missing I and J words, a firmware without arc support, the wrong plane, or a huge radius.
Lawrence Arya··5 min
Practice
Why Is My CNC Moving in Inches Instead of MM? Fix It
A CNC moving in inches when you expect millimeters is running G20: left active by a previous job, a power-on default, or a program that never states units.
Lawrence Arya··4 min
Practice
CNC Practice Resources for Women in Manufacturing
Free, low-barrier CNC practice resources help more women enter machining. Here are the types that work, from recall apps to study guides, and how to use them.
Lawrence Arya··4 min
Practice
Apprentice Machinist Aptitude Test: How to Practice Each Part
Machinist apprenticeship aptitude tests cover math, measurement, spatial reasoning, and mechanical sense, sometimes basic code reading. Here is how to practice each part.
Lawrence Arya··5 min
Practice
Artisan Training Institute CNC Test: How to Prepare
A training-institute CNC test assesses the same fundamentals as any program: reading code, setup, measurement, and safety. Here is how to prepare for it.
Lawrence Arya··5 min
Guides
Bar Puller G-Code on a Lathe: How the Program Works
A bar puller pulls fresh stock out of the collet for the next part. Here is the logic of the G-code behind it, explained conceptually for learners.
Lawrence Arya··5 min
Code reference
Basic G-Code and M-Code List for a TESDA CNC Exam
The core G-code and M-code a TESDA CNC exam expects you to know: motion, units, positioning, spindle, coolant, and program control. A focused study list.
Lawrence Arya··5 min
Code reference
Blank G-Code Test Worksheet: Make One That Actually Works
A blank G-code worksheet is a fine offline study aid if it forces recall. Here is what to put on one, and why a write-in format beats a plain code list.
Lawrence Arya··5 min