Measure Rectangle Outside (Cycle 424, Din/Iso: G424, Software Option 17); Cycle Run; Please Note While Programming - HEIDENHAIN TNC 620 User Manual
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15
Touch Probe Cycles: Automatic Workpiece Inspection | MEASURE RECTANGLE OUTSIDE (Cycle 424, DIN/
15.8 MEASURE RECTANGLE OUTSIDE
(Cycle 424, DIN/ISO: G424, software
option 17)
Cycle run
Touch Probe Cycle 424 finds the center, length and width of a
rectangular stud. If you define the corresponding tolerance values
in the cycle, the TNC makes a nominal-to-actual value comparison
and saves the deviation values 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 339) to the starting point 1. The TNC
calculates the touch points from the data in the cycle and the
safety clearance from the SET_UP column of the touch probe
table.
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 either paraxially at measuring
height or at clearance height to the next starting point
probes the second touch point.
4 The TNC positions the probe to starting point
starting point
4
5 Finally the TNC returns the touch probe to the clearance height
and saves the actual values and the deviations in the following
Q parameters:
Parameter number
Q151
Q152
Q154
Q155
Q161
Q162
Q164
Q165
Please note while programming:
Before a cycle definition you must have programmed a
tool call to define the touch probe axis.
448
to probe the third and fourth touch points.
Meaning
Actual value of center in reference axis
Actual value of center in minor axis
Actual value of length in the reference
axis
Actual value of length in the minor axis
Deviation at center of reference axis
Deviation at center of minor axis
Deviation of side length in reference
axis
Deviation of side length in minor axis
and
2
3
and then to
HEIDENHAIN | TNC 620 | User's manual for cycle programming | 10/2017
ISO: G424, software option 17)
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