Guides
Vocational Rehab CNC Machining Aptitude Test Guide
Vocational rehab programs often assess machining aptitude before funding training. Here is what the test covers, how to prepare, and the accommodation options.
Lawrence Arya··4 min
Posts, page 36 of 44
Code reference
Waterjet CNC G-Code Differences: What Changes and Why
Waterjet code keeps the 2D motion core and swaps everything tool-shaped: pump M-codes instead of a spindle, pierce dwells, and kerf comp doing the sizing work.
Lawrence Arya··4 min
Code reference
What Is G54 in 3D Printing? Work Offsets Explained
G54 selects a stored work origin, a CNC concept most 3D printers never use. Here is what it does, which firmware supports it, and what printers use instead.
Lawrence Arya··5 min
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