08.96 4 Measuring Cycles for Turning Machines
4.4 Examples of application for workpiece measurement (L973, L974)
Example: Calibrate workpiece probe, workpiece measurement with L973 and L974
(Data as in Fig. 4.22)
%931
N5 G18 G53 T1 D31 X130 Call probe type 7
N10 R22=1 R23=2002 R25=0 R27=1 Calibrate 2 axis direction -X,+X
R28=1 R30=2 R32=20 R36=1
R33=0
N20 L973
N25 R23=22 R30=1 R32=0 Calibrate in Z axis
N30 L973 Calibrate probe in minus Z direction
N35 G54 G00 Z40 Select ZO; position Z axis to face measuring
point 1
N40 R10=8 R11=3 R22=1 R23=21 R25=0
Define parameters for measurement
R27=1 R28=1 R29=2 R30=2
N45 R33=0.002 R34=0.005 R36=0.3
R37=0.2 R40=0 R41=-0.01 R42=200
N55 L974 Measure MP1
N60 G00 Z70 Position probe to face MP2
N65 X175
N70 R10=9 R11=4 R30=1 R40=0.01 Define parameters for measurement
R41=-0.01 R42=50
N80 L974 Measure MP2
N85 G00 Z180 Position probe to face MP3
N90 R10=10 R11=5 R30=2 R40=0.005 Define parameters for measurement
R41=-0.003 R42=150
N100 L974 Measure MP3
N105 G00 Z150 Position probe to face MP4
N110 X50
N115 R10=11 R11=6 R30=1 R40=0.01 Define parameters for measurement
R41=-0.01 R42=100
N125 L974 Measure MP4
N130 G00 Z250 D0 G53 Retraction Z
N135 G53 X280 M30 Retraction X
4.5 Parameter recommendations for L973, L974
Parameter recommendations for reliable program run
Measure workpiece
a) Calibrate L973
Zero offset range R33=0.001
Compensation range with averaging R34=0.010
Safe area R36=1 (Continuous mode)
Safe area R36=3 (Setup mode)
b) Measure L974
Zero offset range R33=0.001
Compensation range with averaging R34=0.010
Safe area R36=1 (Continuous mode)
Safe area R36=3 (Setup mode)
Dimensional difference check R37=0.3 (Continuous mode)
Dimensional difference check R37=3 (Setup mode)
All X-axis values are related to the diameter.
END OF SECTION
©
Siemens AG 1990 All Rights Reserved 6FC5197- AB70 4–45
SINUMERIK 840/850/880 (BN)
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