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G41 Cutter compensation left
Brother Speedio G-code · Mill
Offsets the tool to the left of the path by the D offset value. Gives climb milling with a right hand cutter.
Format
G41 D X Y
Addresses
| Address | What it does |
|---|---|
D | Diameter or radius offset number |
X Y | Lead-in move |
How it works
Modal. Cancel with G40.
Example program
G00 X-1. Y-1. (START POINT)
G01 Z-.25 F10. (DEPTH)
G41 D01 X0 F20. (COMP ON LEAD-IN)
Y2. (CUT SIDE)
…
G01 Z-.25 F10. (DEPTH)
G41 D01 X0 F20. (COMP ON LEAD-IN)
Y2. (CUT SIDE)
…
The full 5-line example is in the app. Example is in inch. Check offsets and clearances first.
Watch out for
- Turn it on with a linear move longer than the tool radius.
- Check whether the D register holds radius or diameter on your setting.
Related codes
G41 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Fanuc | Cutter compensation left |
| Haas NGC | Cutter compensation left |
| Mazak (EIA) | Cutter radius compensation left |
| Okuma OSP | Cutter radius compensation left |
| Mitsubishi M70 M80 | Cutter radius comp left |
| Siemens 840D 828D | Tool radius compensation left |
| Heidenhain TNC (ISO) | Radius compensation left |
| Fagor 8055 8065 | Tool radius compensation left |
| LinuxCNC Tormach | Cutter compensation left |
| Mach3 Mach4 | Cutter comp left |
| Centroid CNC12 Acorn | Cutter compensation left |
| Hurco WinMax (NC) | Cutter compensation left |
| Fadal | Cutter radius compensation left, climb |
| Swiss (Citizen Star) | Nose radius compensation left |
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Open G41 in the app All Brother Speedio G-codes