https://ncproof.com/blog/ G-code tips for CNC machinists from NC Proof. en https://ncproof.com/blog/g-code-checks-before-cycle-start/ https://ncproof.com/blog/g-code-checks-before-cycle-start/ Fri, 13 Nov 2026 12:00:00 +0000 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.