HEIDENHAIN TNC 620 - Defining the Working Plane with the Spatial Angle: PLANE SPATIAL

Multiple-Axis Machining | The PLANE function: Tilting the working plane (option 8)
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HEIDENHAIN | TNC 620 | Conversational Programming User's Manual | 10/2017
Defining the working plane with the spatial angle:
PLANE SPATIAL
Application
Spatial angles define a working plane through up to three rotations
in the non-tilted workpiece coordinate system (tilting sequence A-
B-C).
Most users assume three successive rotations in the reversed
order (tilting sequence C-B-A).
The result is identical for both perspectives, as the following
comparison shows.
Example
PLANE SPATIAL SPA+45 SPB+0 SPC+90 ...
A-B-C C-B-A
Home position A0° B0° C0° Home position A0° B0° C0°
A+45° C+90°
B+0° B+0°
C+90° A+45°