HEIDENHAIN TNC 620 User Manual page 455

The PLANE function: Tilting the working plane (software option 8) 12.2
Example for a machine with a rotary table C and a tilting table
A. Programmed function: PLANE SPATIAL SPA+0 SPB+45 SPC+0
Limit switch
None
None
None
None
None
None
–90 < A < +10
–90 < A < +10
None
Selecting the type of transformation (entry optional)
The transformation types COORD ROT and TABLE ROT influence
the orientation of the working plane coordinate system through the
axis position of a so-called free rotary axis.
Any rotary axis becomes a free rotary axis with the following
constellation:
the rotary axis has no effect on the tool angle of inclination
because the rotation axis and tool axis are parallel in the tilting
situation
the rotary axis is the first rotary axis in the kinematic chain
starting from the workpiece
The effect of the transformation types COORD ROT and TABLE
ROT therefore depends on the programmed spatial angles and the
machine kinematics.
If no free rotary axis is created in a tilting
situation, the COORD ROT and TABLE ROT
transformation types have no effect
With the PLANE AXIAL function the COORD ROT
and TABLE ROT transformation types have no
effect
HEIDENHAIN | TNC 620 | ISO Programming User's Manual | 9/2016
Starting position
A+0, C+0
A+0, C+0
A+0, C+0
A+0, C–105
A+0, C–105
A+0, C–105
A+0, C+0
A+0, C+0
A+0, C–135
SEQ Resulting axis position
not prog. A+45, C+90
+ A+45, C+90
– A–45, C–90
not prog. A–45, C–90
+ A+45, C+90
– A–45, C–90
not prog. A–45, C–90
+ Error message
+ A+45, C+90
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