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M24 Chamfer out of thread off
Haas NGC M-code · Lathe
Turns off the pull out chamfer for G76 and G92. The tool pulls straight out at the end of the thread.
Format
M24
How it works
Modal until M23 or reset.
Example program
M24 (NO CHAMFER, THREAD ENDS IN RELIEF)
G92 X.6274 Z-1. F.1 (THREAD PASS)
M23 (CHAMFER BACK ON)
G92 X.6274 Z-1. F.1 (THREAD PASS)
M23 (CHAMFER BACK ON)
Example is in inch. Check offsets and clearances first.
Watch out for
- Use M24 when the thread runs into a relief groove.
- Make sure there is room to pull out straight or the tool hits the shoulder.
Related codes
M24 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Fanuc | Thread chamfer off |
| Doosan (Fanuc) | Chip conveyor run |
| DMG Mori MAPPS (Fanuc) | External output |
| Mazak (EIA) | Robot service call |
| Okuma OSP | Chuck Barrier off |
| Swiss (Citizen Star) | Back spindle reverse (Citizen) |
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