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G75 Multi quadrant arc mode (BNC)
Hurco WinMax (NC) G-code · Mill
Basic NC only. Lets arcs cross quadrants up to 360 degrees. It is the BNC default. G74 switches to single quadrant arcs.
Format
G75
Addresses
| Address | What it does |
|---|---|
none | No words |
How it works
Modal, group 01. BNC only.
Example program
G70 (BNC INCH)
G90 G75 (MULTI QUADRANT ARCS)
G01 X3. Y2. F10. (START)
G03 X4. Y1.5858 I4. J3. (ARC, BNC ABSOLUTE CENTER)
G90 G75 (MULTI QUADRANT ARCS)
G01 X3. Y2. F10. (START)
G03 X4. Y1.5858 I4. J3. (ARC, BNC ABSOLUTE CENTER)
Example is in inch. Check offsets and clearances first.
Watch out for
- In G74 single quadrant mode I J K are unsigned and an arc cannot pass 90 degrees.
Related codes
G75 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Fanuc | OD and ID peck grooving cycle |
| Haas NGC | OD and ID grooving cycle |
| Mazak (EIA) | X axis grooving cycle |
| Okuma OSP | Automatic chamfering |
| Mitsubishi M70 M80 | Longitudinal cut-off and grooving cycle |
| Siemens 840D 828D | Fixed point approach |
| Fagor 8055 8065 | Probing move until touch |
| Centroid CNC12 Acorn | OD or ID groove peck cycle |
| Fadal | Tapping head cycle |
| Swiss (Citizen Star) | Grooving cycle in X |
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