Guides
G-Code Analogies for Absolute Beginners: Five That Work
The five analogies that genuinely explain G-code, recipe, GPS, sheet music, blindfolded directions, player piano, and exactly where each one breaks down.
Lawrence Arya··5 min
Posts, page 9 of 44
Guides
G-Code Curriculum for Vocational Schools: A Sequence That Works
A vocational G-code curriculum should sequence by what builds on what: vocabulary to recall, then reading, then writing, then machine work, verification throughout.
Lawrence Arya··4 min
Practice
Lathe Cutoff Leaving a Nub: The G-Code and Setup Fixes
A cutoff nub has three parents: tool above or below center, an X endpoint that stops short, and centerline speed physics. The fixes, code and setup both.
Lawrence Arya··4 min
Code reference
G-Code R vs I and J for Beginners: Two Ways to Define an Arc
An arc needs a center, and G-code gives two ways to specify it: R names the radius, I and J point to the center. Each has a job, and R has one trap.
Lawrence Arya··4 min
Guides
G-Code Simulator for CNC Turning Only: The Honest Options
Dedicated turning-only G-code simulators are rare, and most free tools are mill-first. Where lathe simulation actually works, what breaks, and the fixes.
Lawrence Arya··5 min
Guides
G-Code Simulator for Ubuntu Linux: The Working Toolchain
Ubuntu is the best-served OS for free G-code simulation: LinuxCNC runs natively, CAMotics ships a .deb, and browser viewers cover quick checks. The map.
Lawrence Arya··4 min
Guides
G-Code Syntax Checker for ChatGPT Output: The Real Stack
No universal G-code syntax checker exists, because syntax is dialect-specific. The working stack: viewer, strict interpreter, highlighting, and a human pass.
Lawrence Arya··5 min
Guides
G-Code to Calculate Chip Load: Forward, Reverse, and Macro
Chip load connects tool data to the F word: compute feed forward from chip load, audit any program in reverse, or let macro variables do it in the code.
Lawrence Arya··4 min
Code reference
G04 Dwell Time Format: Fanuc vs Haas and the Decimal Trap
G04 means pause everywhere; the number's meaning is dialect: P as milliseconds or seconds, X and U as alternatives, and a decimal that changes everything.
Lawrence Arya··4 min
Code reference
G50 on a Lathe: Spindle Speed Clamp vs Work Offset, Untangled
G50 carries two unrelated jobs on lathes: the modern spindle-speed clamp with S, and the legacy coordinate-system-setting form. The words after it decide.
Lawrence Arya··4 min
Code reference
G76 Threading Cycle on Fanuc, Explained Simply
G76 is two lines that delegate a whole threading job: the first line sets the campaign rules, the second describes the thread. Each word, plainly explained.
Lawrence Arya··4 min
Code reference
G92 vs G76 Threading on a Lathe: Per-Pass vs Delegated
G92 cuts one synchronized threading pass per block you write; G76 plans the whole sequence from two lines. When manual control of passes earns its keep.
Lawrence Arya··4 min