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G94 Feed per minute
Siemens 840D 828D G-code · Mill and lathe
F is read as feed per minute: mm per min in metric, inches per min with G700. The usual default on mills.
Format
G94 F
Addresses
| Address | What it does |
|---|---|
F | Feed in mm per min or inch per min |
How it works
Modal, G group 15 (feed type).
Example program
G94 G90 G54 ; FEED PER MINUTE
S2500 M3
G1 Z-2 F150 ; 150 MM PER MIN
X80 F600 ; 600 MM PER MIN
S2500 M3
G1 Z-2 F150 ; 150 MM PER MIN
X80 F600 ; 600 MM PER MIN
Example is in inch. Check offsets and clearances first.
Watch out for
- Switching between G94 and G95 needs a new F. The control does not convert the old value.
- A rotary axis moving alone in G94 runs in degrees per minute.
Related codes
G94 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Fanuc | Feed per minute |
| Haas NGC | Feed per minute mode |
| Mazak (EIA) | Feed per minute |
| Okuma OSP | Feed per minute |
| Mitsubishi M70 M80 | Feed per minute |
| Brother Speedio | Feed per minute |
| Fagor 8055 8065 | Feed per minute |
| LinuxCNC Tormach | Feed per minute |
| Mach3 Mach4 | Feed per minute |
| Centroid CNC12 Acorn | Feed per minute |
| Hurco WinMax (NC) | Feed per minute |
| Fadal | Feed per minute |
| Swiss (Citizen Star) | Face turning cycle |
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