Heidenhain TNC 620 (34056x-04) Cycle programming Uživatelský manuál Strana 439

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PRESET COMPENSATION (Cycle 452, DIN/ISO: G452, option) 18.5
18
TNC 620 | User's Manual Cycle Programming | 5/2013
439
Adjustment of interchangeable heads
The goal of this procedure is for the workpiece preset to remain
unchanged after changing rotary axes (head exchange).
In the following example, a fork head is adjusted to the A and C axes.
The A axis is changed, whereas the C axis continues being a part of
the basic configuration.
Insert the interchangeable head that will be used as a reference
head.
Clamp the calibration sphere
Insert the touch probe
Use Cycle 451 to measure the complete kinematics, including the
reference head.
Set the preset (using Q431 = 2 or 3 in Cycle 451) after measuring
the reference head
Measuring a reference head
1 TOOL CALL "TCH PROBE" Z
2 TCH PROBE 451 MEASURE
KINEMATICS
Q406=1 ;MODE
Q407=12.5 ;SPHERE RADIUS
Q320=0 ;SET-UP CLEARANCE
Q408=0 ;RETR. HEIGHT
Q253=2000 ;F PRE-POSITIONING
Q380=+45 ;REFERENCE ANGLE
Q411=-90 ;START ANGLE A AXIS
Q412=+90 ;END ANGLE A AXIS
Q413=45 ;INCID. ANGLE A AXIS
Q414=4 ;MEAS. POINTS A AXIS
Q415=-90 ;START ANGLE B AXIS
Q416=+90 ;END ANGLE B AXIS
Q417=0 ;INCID. ANGLE B AXIS
Q418=2 ;MEAS. POINTS B AXIS
Q419=+90 ;START ANGLE C AXIS
Q420=+270 ;END ANGLE C AXIS
Q421=0 ;INCID. ANGLE C AXIS
Q422=3 ;MEAS. POINTS C AXIS
Q423=4 ;NO. OF PROBE POINTS
Q431=3 ;PRESET
Q432=0 ;BACKLASH, ANG.
RANGE
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