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G89 Boring cycle with dwell feed out
Brother Speedio G-code · Mill
Like G85 with a dwell at the bottom.
Format
G89 X Y Z R P F
Addresses
| Address | What it does |
|---|---|
X Y | Hole position |
Z | Hole bottom |
R | R plane |
P | Dwell in milliseconds |
F | Feed rate |
How it works
Modal, canned cycle. Cancel with G80.
Example program
G100 T08 G90 G54 G00 X1. Y1. G43 H08 Z1. S1200 M03 (BORE)
G99 G89 Z-.5 R.1 P200 F5. (BORE WITH DWELL)
G80 G00 Z1. (CANCEL)
G99 G89 Z-.5 R.1 P200 F5. (BORE WITH DWELL)
G80 G00 Z1. (CANCEL)
Example is in inch. Check offsets and clearances first.
Watch out for
- Good for a flat shoulder at the bottom of a bore.
Related codes
G89 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Fanuc | Boring cycle, dwell and feed out |
| Haas NGC | Boring cycle, dwell and feed out |
| Mitsubishi M70 M80 | Boring cycle with dwell, feed out |
| Fagor 8055 8065 | Boring, feed withdrawal |
| LinuxCNC Tormach | Boring cycle, dwell, feed out |
| Mach3 Mach4 | Bore, dwell, feed out |
| Centroid CNC12 Acorn | Boring cycle with dwell |
| Hurco WinMax (NC) | Bore with dwell, feed out |
| Fadal | Bore in, dwell, bore out |
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