G00 (rapid positioning) is the #1 “silent crash” trigger in real CNC production because it ignores feed control and accelerates to the machine’s rapid rate while still obeying only the commanded endpoint. Most crashes happen when a program assumes a ...
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Crash-Proof Rapid Moves: G00 Safe Z Patterns, G53/G28/G30 Best Practices, and Real CNC Examples (Fanuc, Haas, Siemens) for 2025
cnccodeRapid moves (G00) are responsible for a huge percentage of CNC crashes, broken probes, smashed fixtures, and “mystery” overtravel alarms—because G00 moves at maximum axis speed with no cutting load to “warn” you. The safest CNC programmers treat every rapid ...