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M09 Coolant off
Haas NGC M-code · Mill, Lathe
On mills: Coolant off
Turns off flood coolant and shower coolant.
Format
M09
How it works
Modal.
Example program
G81 G99 Z-.5 R.1 F10. (LAST HOLE)
G80 G00 Z1. M09 (CANCEL CYCLE, RETRACT, COOLANT OFF)
G91 G28 Z0. (Z HOME)
G80 G00 Z1. M09 (CANCEL CYCLE, RETRACT, COOLANT OFF)
G91 G28 Z0. (Z HOME)
Example is in inch. Check offsets and clearances first.
Watch out for
- M09 does not turn off through spindle coolant. Use M89 for that.
On lathes: Coolant off
Turns off the flood coolant.
Format
M09
How it works
Modal.
Example program
G01 Z-1. F.01 (LAST CUT)
G00 G53 X0 M09 (X HOME, COOLANT OFF)
G53 Z0 (Z HOME)
G00 G53 X0 M09 (X HOME, COOLANT OFF)
G53 Z0 (Z HOME)
Example is in inch. Check offsets and clearances first.
Watch out for
- Turn coolant off on the move home so the door opens on a dry part.
Related codes
M09 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Fanuc | Coolant off |
| Doosan (Fanuc) | Coolant off (upper side) |
| DMG Mori MAPPS (Fanuc) | Oil shot OFF Coolant discharge OFF |
| Mazak (EIA) | Coolant OFF |
| Okuma OSP | Coolant off (Lathes & Mills) |
| Mitsubishi M70 M80 | Coolant off |
| Brother Speedio | Coolant off |
| Siemens 840D 828D | Coolant off |
| Heidenhain TNC (ISO) | Coolant off |
| Fagor 8055 8065 | Coolant off (builder defined) |
| LinuxCNC Tormach | Coolant off |
| Mach3 Mach4 | Coolant off |
| Centroid CNC12 Acorn | Coolant off |
| Hurco WinMax (NC) | All coolant off |
| Fadal | Coolant off |
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