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G41 Cutter compensation left
Hurco WinMax (NC) G-code · Mill
Offsets the path to the left of the direction of travel by the tool radius. Use for climb milling an outside contour.
Format
G41 {G00 or G01} X Y D
Addresses
| Address | What it does |
|---|---|
X Y | Lead in end point |
D | Tool radius offset register, 1 to 200 |
How it works
Modal, group 07. Cancel with G40.
Example program
T1 M06 (.500 END MILL)
G90 G54 G00 X-.75 Y-.75 S3000 M03 (OUTSIDE THE PART)
G43 H01 Z.1 M08 (LENGTH OFFSET)
G01 Z-.25 F10. (TO DEPTH)
…
G90 G54 G00 X-.75 Y-.75 S3000 M03 (OUTSIDE THE PART)
G43 H01 Z.1 M08 (LENGTH OFFSET)
G01 Z-.25 F10. (TO DEPTH)
…
The full 9-line example is in the app. Example is in inch. Check offsets and clearances first.
Watch out for
- Works only in the G17 plane. D00 does not turn it on.
- ISNC: D cannot have a decimal point. With no D the control can use Tool Setup diameter if Diameter Compensation Using Tool Setup is Yes.
- Basic NC: a D with a decimal point is the diameter offset itself; no decimal point means a register number.
- Do not start comp on an arc. Lead in with a line longer than the tool radius.
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 |
| Brother Speedio | Cutter compensation 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 |
| Fadal | Cutter radius compensation left, climb |
| Swiss (Citizen Star) | Nose radius compensation left |
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Open G41 in the app All Hurco WinMax G-codes