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G90 OD turning cycle
Swiss (Citizen Star) G-code · Lathe
One block turning cycle in system A. Not absolute mode on Swiss controls that use U and W.
Format
G90 X Z [R] F
Addresses
| Address | What it does |
|---|---|
X Z | Cut end point |
R | Taper amount |
F | Feed |
How it works
Modal. Cancel with another group 01 code.
Example program
G00 X.55 Z-.02 T0100 (TOOL 1)
G90 X.45 Z.5 F.003 (PASS 1)
X.4 (PASS 2)
G00 X.6 (CLEAR)
G90 X.45 Z.5 F.003 (PASS 1)
X.4 (PASS 2)
G00 X.6 (CLEAR)
Example is in inch. Check offsets and clearances first.
Watch out for
- In G code system A, G90 is a cycle. Absolute and incremental use X Z and U W.
Related codes
G90 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Fanuc | Absolute programming |
| Haas NGC | Absolute positioning |
| Mazak (EIA) | Absolute programming |
| Okuma OSP | Absolute programming |
| Mitsubishi M70 M80 | Absolute programming |
| Brother Speedio | Absolute programming |
| Siemens 840D 828D | Absolute dimensions |
| Heidenhain TNC (ISO) | Absolute dimensions |
| Fagor 8055 8065 | Absolute programming |
| LinuxCNC Tormach | Absolute distance mode |
| Mach3 Mach4 | Absolute mode |
| Centroid CNC12 Acorn | Absolute positioning |
| Hurco WinMax (NC) | Absolute mode |
| Fadal | Absolute positioning |
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