HEIDENHAIN TNC 426, TNC 430 117
5.4 Three-Dimensional Tool Compensation
Example: Block format with surface-normal vectors without tool
orientation
Example: Block format with surface-normal vectors and tool
orientation
The feed rate F and miscellaneous function M can be entered and
changed in the Programming and Editing mode of operation.
The coordinates of the straight-line end point and the components of
the surface-normal vectors are to be defined by the CAD system.
Danger of collision
On machines whose rotary axes only allow limited
traverse, sometimes automatic positioning can require
the table to be rotated by 180°. In this case, make sure
that the tool head does not collide with the workpiece or
the clamps.
LN X+31.737 Y+21.954 Z+33.165
NX+0.2637581 NY+0.0078922 NZ–0.8764339 F1000 M128
LN X+31.737 Y+21.954 Z+33.165
NX+0.2637581 NY+0.0078922 NZ0.8764339
TX+0.0078922 TY–0.8764339 TZ+0.2590319 F1000 M128
LN: Straight line with 3-D compensation
X, Y, Z: Compensated coordinates of the straight-line end point
NX, NY, NZ: Components of the surface-normal vector
TX, TY, TZ: Components of the normalized vector for workpiece
orientation
F: Feed rate
M: Miscellaneous function
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