Heidenhain TNC 620 (34056x-04) Cycle programming Uživatelský manuál Strana 364

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Touch Probe Cycles: Automatic Workpiece Inspection
16.4 MEASURE ANGLE (Cycle 420, DIN/ISO: G420, software option 17)
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TNC 620 | User's Manual Cycle Programming | 5/2013
16.4 MEASURE ANGLE (Cycle 420, DIN/ISO:
G420, software option 17)
Cycle run
Touch Probe Cycle 420 measures the angle that any straight
surface on the workpiece describes with respect to the reference
axis of the working plane.
1 The TNC positions the touch probe at rapid traverse (value from
FMAX column) following the positioning logic (See "Executing
touch probe cycles", page 280) to the starting point 1. The TNC
offsets the touch probe by the safety clearance in the direction
opposite to the defined traverse direction.
2 Then the touch probe moves to the entered measuring height
and runs the first probing process at the probing feed rate
(column F).
3 Then the touch probe moves to the next starting position 2 and
from there probes the second position.
4 The TNC returns the touch probe to the clearance height and
saves the measured angle in the following Q parameter:
Parameter number Meaning
Q150 The measured angle is referenced to
the reference axis of the machining
plane.
Please note while programming:
Before a cycle definition you must have programmed
a tool call to define the touch probe axis.
If touch probe axis = measuring axis, set Q263
equal to Q265 if the angle about the A axis is to be
measured; set Q263 not equal to Q265 if the angle is
to be measured about the B axis.
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