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G68.2 Transform plane, global rotation
Hurco WinMax (NC) G-code · Mill
Defines a new tilted work plane by a shift in X Y Z, then rotations A B C about the original axes, or by I J K and U V W vectors.
Format
G68.2 [X Y Z] [A B C] or [I J K U V W]
Addresses
| Address | What it does |
|---|---|
X Y Z | New origin in the current system |
A B C | Rotations about X, Y and Z, applied in A B C order |
I J K | New X axis direction |
U V W | New Y axis direction |
How it works
Modal, group 16. Cancel with G69 or G69.1.
Example program
T1 M06 (.500 END MILL)
G90 G54 S3000 M03 (SPINDLE ON)
G68.2 X-5. Y2. Z0. A0. B90. C0. (PLANE ON B90 FACE)
G08.2 X0. Y0. Z2. I0. J0. K1. L.5 (SAFE MOVE ONTO PLANE)
…
G90 G54 S3000 M03 (SPINDLE ON)
G68.2 X-5. Y2. Z0. A0. B90. C0. (PLANE ON B90 FACE)
G08.2 X0. Y0. Z2. I0. J0. K1. L.5 (SAFE MOVE ONTO PLANE)
…
The full 7-line example is in the app. Example is in inch. Check offsets and clearances first.
Watch out for
- G68.2 itself does not move the machine. Motion comes on the next move with tool tip and vector. Use G08.2 for a safe move.
- Use A B C or the vectors, never both.
- Stacked planes each need their own cancel, or one G69.1 for all.
Related codes
G68.2 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Fanuc | Tilted working plane |
| Mazak (EIA) | Inclined plane, tilted work plane |
| Mitsubishi M70 M80 | Inclined surface machining |
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