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G89 Bore with dwell, feed out
Hurco WinMax (NC) G-code · Mill
Feeds to Z bottom, dwells, then feeds out with the spindle running.
Format
G89 X Y Z R P F [K or L]
Addresses
| Address | What it does |
|---|---|
X Y | Hole position |
Z | Hole bottom |
R | R plane |
P | Dwell at bottom |
F | Feed rate |
How it works
Modal, group 09. Cancel with G80.
Example program
T8 M06 (.750 BORING BAR)
G90 G54 G00 X2. Y2. S1000 M03 (BORE)
G43 H08 Z1. M08 (LENGTH OFFSET)
G99 G89 Z-.5 R.1 P.3 F3. (BORE, DWELL, FEED OUT)
…
G90 G54 G00 X2. Y2. S1000 M03 (BORE)
G43 H08 Z1. M08 (LENGTH OFFSET)
G99 G89 Z-.5 R.1 P.3 F3. (BORE, DWELL, FEED OUT)
…
The full 5-line example is in the app. Example is in inch. Check offsets and clearances first.
Watch out for
- Good for a flat bottom bore. P is modal, clear it later with P0.
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 |
| Brother Speedio | 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 |
| Fadal | Bore in, dwell, bore out |
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Open G89 in the app All Hurco WinMax G-codes