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G85 Reaming canned cycle / Facing cycle, arc sections (lathe)
Fagor 8055 8065 G-code · Mill, Lathe
On mills: Reaming canned cycle
Feeds to depth I, optional dwell K, then feeds back out to the return plane.
Format
Addresses
| Address | What it does |
|---|---|
G98 or G99 | Return to initial plane or reference plane |
X Y | Hole position |
Z | Reference plane, absolute or incremental from the initial plane |
I | Depth, absolute or incremental from the reference plane |
K | Dwell in hundredths of a second |
How it works
Modal canned cycle. Cancel with G80.
Example program
G00 G90 X1.0 Y1.0 Z1.0 S600 M03 (ABOVE HOLE)
G85 G98 Z0.1 I-0.75 F4.0 (REAM)
G80 (CANCEL CYCLE)
Example is in inch. Check offsets and clearances first.
Watch out for
- Feed out protects the reamed bore finish.
On lathes: Facing cycle, arc sections (lathe)
Rough faces a section with an arc from X Z to Q R. I K give the arc center.
Verify on your machine. This entry could not be fully checked against the maker manual. Check your machine manual before you run it.
Format
Addresses
| Address | What it does |
|---|---|
X Z | Start of the arc section |
Q R | End of the arc section |
C | Depth per pass |
I K | Arc center |
L M | Finish stock |
H | Finishing feed |
How it works
Not modal.
Example program
G95 G96 S400 M03 (CSS)
G85 X2.0 Z0 Q1.5 R-0.25 C0.04 D0.04 F0.008 I0 K-0.25 (FACE ARC)
Example is in inch. Check offsets and clearances first.
Watch out for
- On Fagor mills G85 is reaming.
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 |
| 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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