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G51.1 Mirror image
Hurco WinMax (NC) G-code · Mill
Mirrors the tool path about a line, given in absolute coordinates. On one axis the arc direction and cutter comp side flip.
Format
G51.1 {X or Y or Z}
Addresses
| Address | What it does |
|---|---|
X Y Z | Absolute position of the mirror line |
How it works
Modal, group 18. Cancel with G50.1.
Example program
M98 P8888 (CUT PART 1)
G51.1 X1.5 (MIRROR IN X ABOUT 1.5)
M98 P8888 (CUT PART 2)
G51.1 Y1.5 (ADD MIRROR IN Y)
…
G51.1 X1.5 (MIRROR IN X ABOUT 1.5)
M98 P8888 (CUT PART 2)
G51.1 Y1.5 (ADD MIRROR IN Y)
…
The full 6-line example is in the app. Example is in inch. Check offsets and clearances first.
Watch out for
- Mirroring one axis turns climb milling into conventional. Check the finish.
- The first move in mirror mode must be absolute. G51.1 cannot be nested.
Related codes
G51.1 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Fanuc | Programmable mirror image |
| Mitsubishi M70 M80 | Mirror image on |
| Brother Speedio | Programmable mirror image |
| Fadal | Mirror image |
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Open G51.1 in the app All Hurco WinMax G-codes