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M8 Coolant on
Heidenhain TNC (ISO) M-code · Mill
Turns flood coolant on.
Format
M8
Addresses
| Address | What it does |
|---|---|
M8 | No addresses |
How it works
Modal. Acts at start of block.
Example program
N50 X+20 Y+20 M3 *
N60 Z+2 M8 *
N70 G79 *
N60 Z+2 M8 *
N70 G79 *
Example is in inch. Check offsets and clearances first.
Watch out for
- M13 and M14 combine spindle on and coolant on.
Related codes
M8 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Fanuc | Coolant on |
| Haas NGC | Coolant on |
| Doosan (Fanuc) | Coolant on (upper side) |
| DMG Mori MAPPS (Fanuc) | Coolant discharge ON |
| Mazak (EIA) | Flood coolant ON |
| Okuma OSP | Coolant on (Lathes & Mills) |
| Mitsubishi M70 M80 | Coolant on |
| Brother Speedio | Coolant on |
| Siemens 840D 828D | Coolant on |
| Fagor 8055 8065 | Coolant on (builder defined) |
| LinuxCNC Tormach | Flood coolant on |
| Mach3 Mach4 | Flood coolant on |
| Centroid CNC12 Acorn | Flood coolant on |
| Hurco WinMax (NC) | Flood coolant on |
| Fadal | Coolant on |
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