G43.4: Fanuc

G1 X50. Y20. F3000. G1 Z-4. G1 A60. B45.

– Alarm “IMPROPER G-CODE” on G43.4. Fix – Check parameter 7600 and that machine has 5‑axis option. fanuc g43.4

G0 Z10. G49 (CANCEL TCPC) G91 G28 Z0 M30 % | Rule | Explanation | |------|-------------| | H required | G43.4 H_ – No H means no length compensation | | Single block | Better to put G43.4 alone or with H only | | Position before | Usually go to safe XY, Z above part before activating | | Canned cycles | Not allowed (G81, G83, etc.) | | Tool length | Applied at TCP point (usually tool tip, not gauge line) | | Cancel | G49 cancels G43.4 | Compare G43.4 vs G43 | Function | G43 | G43.4 | |----------|-----|-------| | Compensation direction | Z only | 3D (X, Y, Z with rotation) | | Rotary movement | Tool tip moves | Tool tip stays fixed | | Use | 3-axis | 5-axis simultaneous | Cancel Example (Safe End) G0 Z50. ; Retract before canceling G49 ; Cancel TCPC G91 G28 Z0 ; Home Z G91 G28 Y0 M30 Troubleshooting Problem – Rotary axis moves suddenly on G43.4 activation. Fix – Move to safe position first (e.g., G0 X0 Y0 Z100.) G1 X50