510 / 879
Related to the specifications
Related to the target
Pp
Ppk
Ppm
6
ion
Specificat
Pp
3
)
(
);
(
2
1
LSL X X USL Min
D
D
Ppk
-
-
Dispersion
D1
D2
2
2
2
)
(91
6
Ppk
Pp
Pp
Ppm
target
X
Interval
ion
Specificat
Ppm
-
-
Target
Dispersion
USL
LSL.
Specification
Dispersion
Target
Loss Fonction
L = K(X-Target)²
X
Dispersion
Dispersion + position
USL
LSL
USL
LSL.
Target and specifications concern each throw (not a sample of
n
throws)
=> to calculate the performance indicators:
use
of the individual throws’ results
.
Remember:
LSL = 220cm
Target = 250cm
USL = 280cm
Performance indicators : Calculation of Pp, Ppk and Ppm
03/10/17
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