Heidenhain TNC 620 (34056x-04) Cycle programming Bedienungsanleitung Seite 386

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Touch Probe Cycles: Automatic Workpiece Inspection
16.11 MEASURE COORDINATE (Cycle 427, DIN/ISO: G427, software
option 17)
16
386
TNC 620 | User's Manual Cycle Programming | 5/2013
16.11 MEASURE COORDINATE (Cycle 427,
DIN/ISO: G427, software option 17)
Cycle run
Touch Probe Cycle 427 finds a coordinate in a selectable axis
and saves the value in a system parameter. If you define the
corresponding tolerance values in the cycle, the TNC makes a
nominal-to-actual value comparison and saves the deviation value in
system parameters.
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 TNC positions the touch probe to the entered touch
point 1 in the working plane and measures the actual value in
the selected axis.
3 Finally the TNC returns the touch probe to the clearance
height and saves the measured coordinate in the following Q
parameter.
Parameter number Meaning
Q160 Measured coordinate
Please note while programming:
Before a cycle definition you must have programmed
a tool call to define the touch probe axis.
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