CNC Machinist Calculator UltraHome › G-codes › Brother Speedio › G99
G99 Canned cycle return to R plane
Brother Speedio G-code · Mill
After each hole the tool returns to the R plane. Faster between holes.
Format
G99
How it works
Modal, return group.
Example program
G00 Z1. (INITIAL LEVEL)
G99 G81 X1. Y1. Z-.3 R.1 F10. (BACK TO R AFTER HOLE)
X2. (NEXT HOLE)
G80 (CANCEL)
G99 G81 X1. Y1. Z-.3 R.1 F10. (BACK TO R AFTER HOLE)
X2. (NEXT HOLE)
G80 (CANCEL)
Example is in inch. Check offsets and clearances first.
Watch out for
- Only safe when nothing sticks up above R between holes.
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 |
| Heidenhain TNC (ISO) | Tool definition in the program |
| Fagor 8055 8065 | Return to reference plane |
| LinuxCNC Tormach | Cycle retract to R 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 |
Every G-code for Brother Speedio 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 G99 in the app All Brother Speedio G-codes