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G68.3 Transform plane, local rotation

Hurco WinMax (NC) G-code · Mill

Same as G68.2 but each rotation is about the already rotated axes. A is about X, B about the new Y, C about the newest Z.

Format

G68.3 [X Y Z] [A B C] or [I J K U V W]

Addresses

Address	What it does
`X Y Z`	New origin
`A B C`	Rotations about the moving axes
`I J K U V W`	X and Y axis direction vectors

How it works

Modal, group 16. Cancel with G69 or G69.1.

Example program

G68.3 X0. Y0. Z0. A30. B45. C0. (LOCAL ROTATION)
G08.2 X0. Y0. Z2. I0. J0. K1. (SAFE MOVE)
G01 Z-.1 F10. (CUT)
G69 (CANCEL)

Example is in inch. Check offsets and clearances first.

Watch out for

With a single rotation G68.2 and G68.3 give the same result. They differ once two angles are used.

Related codes

G68.2 · G69

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