Siemens SINUMERIK 840 User Manual page 28

08.96
(see
1
preceding
page)
Correction strategy
Calculate
average value
Average value
N
>
Lower limit
R33
Store average
value
©
Siemens AG 1990 All Rights Reserved
SINUMERIK 840/850/880 (BN)
1.5.4 Outline flowchart for workpiece measurement
2
Counter 3=1
N
for multiple
measurement
Counter 3
minus 1
Totalize
actual value
Difference >
N
dimensional
difference
check R37
Difference >
N Y
workpiece
tolerance
R40/R41
Display:
Oversize
or undersize
Difference >
100% correction
N Y
2
/ of workpiece
3
tolerance
R34
Delete average
Reduced
Correction
correction
Y
difference
Correction by
average value
Delete average
value
End
6FC5197- AB70
Y
Sum actual value
div. by number of
measurements
Calculate
set/actual
difference
Difference
minus/plus
empirical value
Difference
N Y
>
safe area
R36
Display:
Y
Safe area
overrun
Display:
Permissible dimen-
sional difference
overrun
Y
Termination of
measurement
N
Repetition of
measurement
value
N
by
N
Alarm
4030
Y
Alarm:
Safe area
overrun
1 Introduction
1
Y
1–19