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M90 Fixture clamp input on
Haas NGC M-code · Lathe
Turns on fixture clamp monitoring when Setting 276 has an input number. If the clamp input says not clamped and the spindle starts, alarm 973 occurs.
Format
M90
How it works
Modal until M91.
Example program
M90 (WATCH FIXTURE CLAMP)
G97 S800 M03 (SPINDLE ON, ALARMS IF NOT CLAMPED)
G01 Z-1. F.01 (CUT)
G97 S800 M03 (SPINDLE ON, ALARMS IF NOT CLAMPED)
G01 Z-1. F.01 (CUT)
Example is in inch. Check offsets and clearances first.
Watch out for
- Setting 276 must hold a valid input number above 0.
Related codes
M90 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Doosan (Fanuc) | C1-axis unclamp |
| DMG Mori MAPPS (Fanuc) | Tool-spindle or turning spindle simultaneous operation mode ON |
| Hurco WinMax (NC) | Z retract on power loss, enable |
| Fadal | Default servo gain |
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