Festo Checkbox Compact CHB-C-X - Inspection Part Deviation

A. Technical appendix
A-15
Festo P.BE-CB-COMP-EN en 1102d
A.3.3 Inspection part d eviation
Calculating the deviation D for C ‹ A
D =
C
actual
−A
C
min tol
−A
× 100 %
A
C
actual
C
min tol
D
Average value of the feature
Current feature measurement
Lower limit of the band width incl. tolerance
Feature deviation
Example Ascertaining the deviation for the current feature “Length” of
a conveyed par t C
actual
=61(C<A)
The followi ng val ues are taken from the example “Band
width”:
A = 61.2
C
min tol
= 56.94
C
actual
=61
Average value of the length
Length, lower limit
Length, current value
D =
61−61.2
56.94−61.2
× 100 %
D = 4.7 %