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M49 Disable feed and speed overrides
LinuxCNC Tormach M-code · Mill and lathe
Locks feed and spindle overrides at 100 percent.
Format
M49 [$]
Addresses
| Address | What it does |
|---|---|
$ | Spindle number |
How it works
Modal, override group.
Example program
M49 (OVERRIDES OFF)
G1 X1 F10 (EXACT FEED)
M48 (OVERRIDES ON)
G1 X1 F10 (EXACT FEED)
M48 (OVERRIDES ON)
Example is in inch. Check offsets and clearances first.
Watch out for
- Use for operations that need exact speeds. Restore with M48.
Related codes
M49 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Haas NGC | Set status of pallet |
| Doosan (Fanuc) | Milling spindle orientation |
| DMG Mori MAPPS (Fanuc) | Override cancel ON |
| Mazak (EIA) | Parts catcher retract |
| Okuma OSP | Spindle speed override ignore |
| Mach3 Mach4 | Overrides off |
| Fadal | Feed and RPM override inactive |
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