NC Proof Blog

G-code, proved.

Practical articles for CNC machinists and programmers: Haas and Fanuc G-code, lathe and mill tips, and the mistakes that crash machines.

G-code

7 G-code checks to run before you press Cycle Start

A short pre-flight checklist for CNC lathe and mill programs — units, offsets, rapids, cutter comp and spindle limits — so a new program doesn't end in a crash.

· 3 min read