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G99 Cycle retract to R plane
LinuxCNC Tormach G-code · Mill
Canned cycles retract only to R between holes. Faster when nothing is in the way.
Format
G99
Addresses
| Address | What it does |
|---|---|
none | No words |
How it works
Modal, cycle return group.
Example program
G20 G17 G40 G49 G54 G80 G90 G94 (INCH, SAFE START)
T2 M6 G43
S2500 M3
G0 X1 Y1 Z1
…
T2 M6 G43
S2500 M3
G0 X1 Y1 Z1
…
The full 7-line example is in the app. Example is in inch. Check offsets and clearances first.
Watch out for
- Check that the path between holes is clear at the R height.
Related codes
G99 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Fanuc | Canned cycle return to R level |
| Haas NGC | Canned cycle R plane return |
| Mazak (EIA) | Canned cycle return to R plane |
| Mitsubishi M70 M80 | Canned cycle return to R plane |
| Brother Speedio | Canned cycle return to R plane |
| Heidenhain TNC (ISO) | Tool definition in the program |
| Fagor 8055 8065 | Return to reference plane |
| Mach3 Mach4 | Cycle return to R plane |
| Centroid CNC12 Acorn | Canned cycle return to R plane |
| Hurco WinMax (NC) | Cycle return to R plane |
| Fadal | Fixed cycle return to R0 plane |
| Swiss (Citizen Star) | Feed per revolution |
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Open G99 in the app All LinuxCNC Tormach G-codes