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G93 Inverse time feed
LinuxCNC Tormach G-code · Mill and lathe
F means the move must finish in 1 divided by F minutes. Used for 4 and 5 axis moves from CAM.
Format
G93
Addresses
| Address | What it does |
|---|---|
none | No words |
How it works
Modal, feed mode group. Cancel with G94 or G95.
Example program
G20 G17 G40 G49 G54 G80 G90 G94 (INCH, SAFE START)
T1 M6 G43
S3000 M3
G93 (INVERSE TIME)
…
T1 M6 G43
S3000 M3
G93 (INVERSE TIME)
…
The full 6-line example is in the app. Example is in inch. Check offsets and clearances first.
Watch out for
- Every G1, G2 and G3 block needs its own F word, or it is an error.
- G0 is not affected.
Related codes
G93 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Fanuc | Inverse time feed |
| Haas NGC | Inverse time feed mode |
| Fagor 8055 8065 | Polar origin preset |
| Mach3 Mach4 | Inverse time feed |
| Centroid CNC12 Acorn | Inverse time feed |
| Hurco WinMax (NC) | Inverse time feed |
| Fadal | Inverse time feed |
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Open G93 in the app All LinuxCNC Tormach G-codes