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G90 Absolute mode
Hurco WinMax (NC) G-code · Mill
Positions are measured from part zero. This is the default.
Format
G90
Addresses
| Address | What it does |
|---|---|
none | No words |
How it works
Modal, group 03. Default.
Example program
G20 (INCH)
G90 G54 G00 X1. Y1. (ABSOLUTE POSITION)
G01 X2. Y1.5 F10. (MOVE TO X2. Y1.5)
G90 G54 G00 X1. Y1. (ABSOLUTE POSITION)
G01 X2. Y1.5 F10. (MOVE TO X2. Y1.5)
Example is in inch. Check offsets and clearances first.
Watch out for
- In ISNC, arc centers I J K stay incremental even in G90. In BNC they become absolute.
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 |
| Fadal | Absolute positioning |
| Swiss (Citizen Star) | OD turning cycle |
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