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G46 Tool nose radius comp, automatic side
Mitsubishi M70 M80 G-code · Lathe
Mitsubishi function that picks left or right comp from the tip direction and path, so one code works for OD and ID.
Verify on your machine. This entry could not be fully checked against the maker manual. Check your machine manual before you run it.
Format
G46 G01 X Z
Addresses
| Address | What it does |
|---|---|
X Z | Lead in move |
How it works
Modal, group 07. Cancel with G40.
Example program
G00 X2.2 Z.1 (APPROACH)
G46 G01 Z0. F.008 (AUTO SIDE COMP ON)
Z-1. (TURN)
G40 G00 X2.5 (CANCEL)
G46 G01 Z0. F.008 (AUTO SIDE COMP ON)
Z-1. (TURN)
G40 G00 X2.5 (CANCEL)
Example is in inch. Check offsets and clearances first.
Watch out for
- Not on Fanuc. Programs using G46 do not run on other controls.
- Tip direction must be set right for the side to be correct.
Related codes
G46 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Fanuc | Tool position offset decrease |
| Brother Speedio | Tool offset decrease |
| Hurco WinMax (NC) | Tool offset decrease |
| Fadal | Tool offset single reduction |
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