Guides
How to Manually Enter G-Code in Mach3: MDI Without Mishaps
Mach3's MDI line runs typed blocks immediately: the workflow, the starter commands worth typing, and the safety habits that keep manual entry boring.
Lawrence Arya··5 min
Posts, page 22 of 44
Practice
How to Prep for a WorldSkills CNC Milling Competition
WorldSkills CNC milling prep is a long campaign: a reflex-level code core, CAM mastery, machine hours under a coach, and the official test projects as the map.
Lawrence Arya··4 min
Guides
How to Program a Part Counter in G-Code: Three Working Builds
A G-code part counter is a persistent variable incremented per cycle, plus a decision at a target: stop, message, or pause. Three builds from simple to smart.
Lawrence Arya··5 min
Practice
How to Program a Sub-Spindle Pickoff in G-Code, Step by Step
A sub-spindle pickoff hands the part from main to sub spindle mid-cycle: synchronize speeds, approach, grip, cut off, retract. The sequence and its traps.
Lawrence Arya··5 min
Guides
How to Program CNC for Custom Car Parts Without Fooling Yourself
CNC for custom car parts splits by consequence: cosmetic and bracket work is honest hobby territory; anything safety-critical needs engineering, not just G-code.
Lawrence Arya··5 min
Practice
How to Prove You Know G-Code to an Employer, Beyond Claiming It
Employers verify G-code claims in minutes, so make verification your stage: live reading, a practice portfolio, a rigorous credential, and screening-test welcome.
Lawrence Arya··5 min
Guides
How to Read a Fanuc Parameter Manual Without Drowning
The parameter manual is a reference, not a book: find your exact control series, learn the bit-versus-value format, navigate by function group, change nothing alone.
Lawrence Arya··5 min
Guides
How to Read a GRBL G-Code File Without a Decoder Ring
GRBL files are the standard core with hobby fingerprints: dense explicit moves, laser S-words, no cycles. The five-pass reading method that makes them transparent.
Lawrence Arya··5 min
Practice
How to Read a Thread Milling G-Code Program Without Getting Lost
A thread milling program is one helix wearing G-code: an arc in XY with a Z move on the same line. Read the pitch, the radius logic, and the comp, in that order.
Lawrence Arya··5 min
Guides
How to Simulate G-Code Without a Machine: Four Free Proofs
Simulate G-code with no machine at four levels: browser viewer, desktop stock removal, LinuxCNC demo mode for control behavior, and drills for fluency.
Lawrence Arya··5 min
Guides
How to Use G10 to Write Work Offsets in G-Code, Carefully
G10 lets a program write work offsets: G10 L2 P1 sets G54 from code. The syntax, the legitimate uses, and why every G10 line deserves a comment and a double-check.
Lawrence Arya··5 min
Practice
How to Write a G-Code Parser in JavaScript: The Sane Core
A G-code parser in JavaScript is a line splitter, a word tokenizer, and a modal-state tracker. The 40-line core, the dialect traps, and what to build on top.
Lawrence Arya··5 min