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G41.2 3D tool geometry compensation

Hurco WinMax (NC) G-code · Mill

Compensates a ball, flat or bull nose tool in 3D from the surface contact point, surface normal and tool vector. Used for 5 axis CAM output.

Verify on your machine. This entry could not be fully checked against the maker manual. Check your machine manual before you run it.

Format

G41.2 D R then X Y Z I J K U V W

Addresses

Address	What it does
`D`	Tool radius table index
`R`	Corner radius table index
`X Y Z`	Surface contact point
`I J K`	Tool vector
`U V W`	Surface normal vector

How it works

Modal, group 07. Cancel with G40.

Example program

M128 (TCPM ON)
G41.2 D01 R01 (3D COMP ON)
G01 X1. Y1. Z0. I0. J0. K1. U0. V0. W1. F30. (CONTACT POINT, VECTORS)
G40 (COMP OFF)
…

The full 5-line example is in the app. Example is in inch. Check offsets and clearances first.

Watch out for

Needs M128 tool center point management on.
Cannot be used with G41 or G42.

Related codes

M128 · G40 · G41

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