CNC Machinist Calculator UltraG85 Bore in, bore out
Fadal G-code · Mill
Feeds in to Z and feeds back out. Used for reaming and boring where the tool should cut on the way out.
Format
G85 X Y Z R0 F
Addresses
| Address | What it does |
|---|---|
Z | Hole bottom |
R0 | R0 plane where feed starts. Must be at or below the start plane |
F | Feed rate both ways |
How it works
Modal fixed cycle. Cancel with G80.
Example program
N1 G0 G40 G49 G80 G90 G17 (FORMAT 2 SAFE START)
N2 T8 M6 (.375 REAMER)
N3 G0 G90 G54 X1. Y1. S600 M3
N4 G43 H8 Z1. M8 (START PLANE)
…
N2 T8 M6 (.375 REAMER)
N3 G0 G90 G54 X1. Y1. S600 M3
N4 G43 H8 Z1. M8 (START PLANE)
…
The full 7-line example is in the app. Example is in inch. Check offsets and clearances first.
Watch out for
- Fadal calls the R plane R0. Write R0+.1, not R.1.
- Restate R0 on each cycle line even if it did not change.
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 |
| Brother Speedio | 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 |
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