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M11 Back knock-out off (Citizen) / Collet open (Star)
Swiss (Citizen Star) M-code · Lathe
On lathes: Back knock-out off (Citizen)
Retracts the back side knock-out bar.
Verify on your machine. This entry could not be fully checked against the maker manual. Check your machine manual before you run it.
Format
Addresses
| Address | What it does |
|---|---|
None | No addresses |
How it works
One shot.
Example program
M11 (KNOCK-OUT OFF)
G00 Z-.3 (BACK SPINDLE TO PICK POSITION)
Example is in inch. Check offsets and clearances first.
Watch out for
- Retract before the back spindle picks the next part.
On lathes: Collet open (Star)
Opens the collet of the spindle that the path owns.
Verify on your machine. This entry could not be fully checked against the maker manual. Check your machine manual before you run it.
Format
Addresses
| Address | What it does |
|---|---|
None | No addresses |
How it works
One shot.
Example program
M11 (OPEN SUB COLLET)
G00 Z-.3 (SUB SPINDLE ONTO PART)
M10 (CLOSE SUB COLLET)
Example is in inch. Check offsets and clearances first.
Watch out for
- Only open the main collet with the bar held by the bushing or the sub spindle.
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 |
| Centroid CNC12 Acorn | Clamp or chuck off |
| Hurco WinMax (NC) | Air through spindle |
| Fadal | Reciprocation, X axis |
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