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G73 Pattern rotation
Fagor 8055 8065 G-code · Mill
Rotates the following moves by angle Q around I J, or around part zero if I J are left out. Used with repeats for polar patterns.
Format
G73 Q [I J]
Addresses
| Address | What it does |
|---|---|
Q | Rotation angle in degrees |
I J | Rotation center, optional |
How it works
Modal. Adds up each time it is programmed. Cancel with G73 alone or a plane change.
Example program
N10 G87 G98 X3.0 Y0 Z0.1 I-0.25 J0.75 K0.5 B0.1 C0.2 D0.05 F20.0 (POCKET)
N20 G73 Q45 (ROTATE 45 MORE)
(RPT N10,N20) N7 (REPEAT 7 TIMES)
G73 (CANCEL ROTATION)
…
N20 G73 Q45 (ROTATE 45 MORE)
(RPT N10,N20) N7 (REPEAT 7 TIMES)
G73 (CANCEL ROTATION)
…
The full 5-line example is in the app. Example is in inch. Check offsets and clearances first.
Watch out for
- Each G73 adds to the last angle. Use this to step around a part.
- On Fanuc G73 is a peck drill. On the 8055 it is rotation.
Related codes
G73 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Fanuc | High speed peck drilling |
| Haas NGC | High speed peck drilling cycle |
| Mazak (EIA) | High speed peck drilling |
| Okuma OSP | High speed deep hole drilling |
| Mitsubishi M70 M80 | High speed peck drilling |
| Brother Speedio | High speed peck drilling |
| Heidenhain TNC (ISO) | Rotation of the coordinate system |
| LinuxCNC Tormach | Chip breaking drill cycle |
| Mach3 Mach4 | High speed peck drill |
| Centroid CNC12 Acorn | High speed peck drilling cycle |
| Hurco WinMax (NC) | High speed peck drilling |
| Fadal | Peck drill, chip break |
| Swiss (Citizen Star) | Pattern repeat cycle |
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