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G85 Boring cycle feed out
Brother Speedio G-code · Mill
Feeds in and feeds out at the same rate. Good for reaming.
Format
G85 X Y Z R F
Addresses
| Address | What it does |
|---|---|
X Y | Hole position |
Z | Hole bottom |
R | R plane |
F | Feed rate |
How it works
Modal, canned cycle. Cancel with G80.
Example program
G100 T07 G90 G54 G00 X1. Y1. G43 H07 Z1. S800 M03 (.375 REAMER)
G99 G85 Z-.6 R.1 F6. (REAM)
G80 G00 Z1. (CANCEL)
G99 G85 Z-.6 R.1 F6. (REAM)
G80 G00 Z1. (CANCEL)
Example is in inch. Check offsets and clearances first.
Watch out for
- Feeding out doubles the time in the hole but gives a better finish.
Related codes
G85 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Fanuc | Boring cycle, feed out |
| Haas NGC | Boring cycle, feed in and feed out |
| Mazak (EIA) | Reaming cycle |
| Okuma OSP | Boring cycle, feed out |
| Mitsubishi M70 M80 | Boring cycle, feed out |
| Fagor 8055 8065 | Reaming canned cycle |
| LinuxCNC Tormach | Boring cycle, feed out |
| Mach3 Mach4 | Bore, feed out |
| Centroid CNC12 Acorn | Boring cycle, feed out |
| Hurco WinMax (NC) | Boring, feed in and feed out |
| Fadal | Bore in, bore out |
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