CNC Machinist Calculator UltraM8 Coolant on
Fadal M-code · Mill
Turns on flood coolant.
Format
M8
How it works
Modal until M9.
Example program
N1 G0 G40 G49 G80 G90 G17 (FORMAT 2 SAFE START)
N2 T1 M6 (1-2 END MILL)
N3 G0 G90 G54 X0. Y0. S3000 M3
N4 G43 H1 Z.1 M8 (COOLANT ON)
N2 T1 M6 (1-2 END MILL)
N3 G0 G90 G54 X0. Y0. S3000 M3
N4 G43 H1 Z.1 M8 (COOLANT ON)
Example is in inch. Check offsets and clearances first.
Watch out for
- Put M8 with the G43 move so coolant is on before the cut.
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 |
| Heidenhain TNC (ISO) | 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 |
Every M-code for Fadal 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 M8 in the app All Fadal M-codes