Please Note While Programming; Cycle Parameters - HEIDENHAIN TNC 620 User Manual

MEASURE PLANE (Cycle 431, DIN/ISO: G431, software option 17) 16.13

Please note while programming:

Before a cycle definition you must have programmed
a tool call to define the touch probe axis.
For the TNC to be able to calculate the angular
values, the three measuring points must not be
positioned on one straight line.
The spatial angles that are needed for tilting the
working plane are saved in parameters Q170 – Q172.
With the first two measuring points you also specify
the direction of the reference axis when tilting the
working plane.
The third measuring point determines the direction
of the tool axis. Define the third measuring point in
the direction of the positive Y axis to ensure that the
position of the tool axis in a clockwise coordinate
system is correct.

Cycle parameters

1st meas. point 1st axis Q263 (absolute):
Coordinate of the first touch point in the reference
axis of the working plane. Input range -99999.9999
to 99999.9999
1st meas. point 2nd axis Q264 (absolute):
Coordinate of the first touch point in the minor axis
of the working plane. Input range -99999.9999 to
99999.9999
1st meas. point 3rd axis Q294 (absolute):
Coordinate of the first touch point in the touch probe
axis. Input range -99999.9999 to 99999.9999
2nd meas. point 1st axis Q265 (absolute):
Coordinate of the second touch point in the
reference axis of the working plane. Input range
-99999.9999 to 99999.9999
2nd meas. point 2nd axis Q266 (absolute):
Coordinate of the second touch point in the minor
axis of the working plane. Input range -99999.9999
to 99999.9999
2nd meas. point 3rd axis Q295 (absolute):
Coordinate of the second touch point in the touch
probe axis. Input range -99999.9999 to 99999.9999
TNC 620 | User's Manual Cycle Programming | 3/2014
16
411