CNC Machinist Calculator UltraM49 Feed and RPM override inactive
Fadal M-code · Mill
Locks out the feed rate and spindle override knobs so the programmed values run.
Format
M49
How it works
Modal until M48.
Example program
N10 M49 (OVERRIDES OFF)
N11 G84 G99 R0+.2 Z-.6 F25.
N12 G80 M48 (OVERRIDES ON)
N11 G84 G99 R0+.2 Z-.6 F25.
N12 G80 M48 (OVERRIDES ON)
Example is in inch. Check offsets and clearances first.
Watch out for
- Use it for tapping or any cut that must run at the set feed.
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 |
| LinuxCNC Tormach | Disable feed and speed overrides |
| Mach3 Mach4 | Overrides off |
Every M-code for Fadal in your pocket. The app has the full example programs, search by number or shop word, a line decoder and calculators for tapping, threading and drilling.
Open M49 in the app All Fadal M-codes