CNC Machinist Calculator UltraHome › M-codes › Centroid CNC12 Acorn › M11
M11 Clamp or chuck off
Centroid CNC12 Acorn M-code · Mill and lathe
Asks the PLC to open the clamp or chuck. The default action is M95 bit 4.
Format
M11
Addresses
| Address | What it does |
|---|---|
none | No words |
How it works
Modal.
Example program
M5 ; SPINDLE STOP
G4 P2. ; LET IT STOP
M11 ; OPEN THE CHUCK
G4 P2. ; LET IT STOP
M11 ; OPEN THE CHUCK
Example is in inch. Check offsets and clearances first.
Watch out for
- Never open the chuck with the spindle turning. Stop it with M5 first.
Machine builders set many M codes, and they change by model and options. Check the M code list for your machine.
Related codes
M11 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Fanuc | Chuck unclamp |
| Haas NGC | 4th axis brake release |
| Doosan (Fanuc) | Parts unloader return to home |
| DMG Mori MAPPS (Fanuc) | C-axis unclamp |
| Hurco WinMax (NC) | Air through spindle |
| Fadal | Reciprocation, X axis |
| Swiss (Citizen Star) | Back knock-out off (Citizen) |
Every M-code for Centroid CNC12 Acorn 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 M11 in the app All Centroid CNC12 Acorn M-codes