CNC Machinist Calculator UltraM81 Automatic doors close
Fadal M-code · Mill
Closes the automatic doors on machines with that option.
Verify on your machine. This entry could not be fully checked against the maker manual. Check your machine manual before you run it.
Format
M81
How it works
Non modal.
Example program
N1 M81 (DOORS CLOSE)
N2 G0 G40 G49 G80 G90 G17 (SAFE START)
N3 T1 M6 (1-2 END MILL)
N2 G0 G40 G49 G80 G90 G17 (SAFE START)
N3 T1 M6 (1-2 END MILL)
Example is in inch. Check offsets and clearances first.
Watch out for
- Option only. Keep hands clear.
Related codes
M81 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Haas NGC | Automatic door close |
| Doosan (Fanuc) | Q-setter swing arm up |
| DMG Mori MAPPS (Fanuc) | Shower coolant OFF |
| Mazak (EIA) | Workpiece measurement start |
| Okuma OSP | Over cut retract |
| Swiss (Citizen Star) | Rotary tool 1 reverse (Citizen) |
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 M81 in the app All Fadal M-codes