Guides
PrintNC DIY Machine G-Code Troubleshooting: Three Layers
On a PrintNC you are operator and machine builder at once, so G-code trouble has three suspect layers: the program, the post, and the configuration you wrote.
Lawrence Arya··4 min
Guides
RepRap 3D Printer Firmware to LinuxCNC: The Translation Map
RepRap and Marlin G-code shares a skeleton with LinuxCNC but not a vocabulary. The code-by-code translation map, plus the G28 trap that crashes machines.
Lawrence Arya··5 min
Practice
Retrofit Bridgeport Mill: Basic G-Code Programming Guide
A retrofitted Bridgeport speaks whatever dialect its new controller brought: the basics are the standard core, knee-mill Z realities, and config awareness.
Lawrence Arya··4 min
Guides
Safe Z Retract Code for Fanuc Before Opening the Door
The safe pre-door sequence is three commitments in code: retract Z by a route you calculated, stop the spindle, and stop the program. The two retract idioms.
Lawrence Arya··4 min
Guides
Sandvik Coromant CNC Training Alternatives That Cost Nothing
Sandvik Coromant's training is metal-cutting theory at vendor depth. The free alternative is a stack: their own knowledge pages, a simulator, and drills.
Lawrence Arya··4 min
Code reference
Siemens 828D vs Fanuc G-Code Differences That Matter
Sinumerik 828D and Fanuc share the motion core and split at the cycle layer: CYCLE calls vs canned cycles, R-parameters vs macros, and one unit landmine.
Lawrence Arya··4 min
Guides
Spindle Speed Calculation for a G97 Lathe Program
G97 locks the lathe spindle to one RPM, so you compute it yourself: surface speed and diameter in, RPM out. The formula, the diameter choice, the cases.
Lawrence Arya··5 min
Code reference
SYIL X7 G-Code List: The Control Question Comes First
The SYIL X7 has shipped with different controls across years and markets, so its G-code list is a per-unit question: identify the control, then the list.
Lawrence Arya··4 min
Code reference
Tool Nose Radius Compensation G41/G42 on a Lathe, Explained
A turning insert cuts with a radius, not a point, and tapers and arcs show the difference. How TNR comp works, the orientation number, and the lead-in rules.
Lawrence Arya··4 min
Code reference
Tormach PathPilot vs Fanuc G-Code Differences, Mapped
PathPilot runs a LinuxCNC-shaped dialect, so vs Fanuc it differs the way LinuxCNC does: shared core, dot-one extensions, G7 lathe diameter mode, structure layer.
Lawrence Arya··3 min
Guides
Understanding a CNC Program as an Operator, Block by Block
An operator who understands the program runs the machine instead of being run by it: read the four sections, header, tools, motion, ending, and what each promises.
Lawrence Arya··4 min
Guides
Vectric VCarve G-Code Troubleshooting for Router Owners
Most VCarve G-code problems are post processor mismatches: the wrong .pp file for your controller. The symptom table and the air-cut habit that ends them.
Lawrence Arya··4 min