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G72 Scaling factor
Heidenhain TNC (ISO) G-code · Mill
Enlarges or reduces the contour by factor F around the datum. Klartext: CYCL DEF 11.0 SCALING with 11.1 SCL.
Format
G72 F
Addresses
| Address | What it does |
|---|---|
F | Scaling factor, for example 0.8 |
How it works
Active from definition. Cancel with G72 F1.
Example program
N60 G72 F0.8 *
N70 L1,0 *
N80 G72 F1 *
N70 L1,0 *
N80 G72 F1 *
Example is in inch. Check offsets and clearances first.
Watch out for
- Scaling also scales depths in the tool axis unless the axis is excluded.
Related codes
G72 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Fanuc | Stock removal in facing, rough cycle |
| Haas NGC | Bolt holes along an angle |
| Mazak (EIA) | Facing roughing cycle, X direction |
| Okuma OSP | Compound thread cycle, transverse |
| Mitsubishi M70 M80 | Face rough cutting cycle |
| Fagor 8055 8065 | Scaling factor |
| LinuxCNC Tormach | Lathe roughing cycle, facing along X |
| Centroid CNC12 Acorn | Rough facing cycle |
| Swiss (Citizen Star) | Rough facing cycle |
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