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M123 Back spindle high torque limit on (Citizen)
Swiss (Citizen Star) M-code · Lathe
Raises the back spindle torque limit during synced cut-off so the part does not slip in the back chuck.
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
Modal. Cancel with M124.
Example program
M123 (TORQUE LIMIT HIGH)
G01 X-.04 F.0008 (CUT OFF)
M124 (TORQUE LIMIT OFF)
Example is in inch. Check offsets and clearances first.
Watch out for
- Use for larger diameters where the cut-off load can spin the part in the collet.
Machine builders set many M codes, and they change by model and options. Check the M code list for your machine.
Related codes
M123 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Haas NGC | Built in M code relay 3 with M-Fin |
| DMG Mori MAPPS (Fanuc) | External output |
| Centroid CNC12 Acorn | Write value to data file |
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Open M123 in the app All Swiss M-codes