Quality Management 2017

Collection of the data and verification of the capability of the measurement system

M EASURE

V ERIFICATION OF THE MEASUREMENT SYSTEM

• Let’s suppose the measuring tapes have been calibrated  the measurement capability indicator (Cpc) must be very high (> 4)

Cpc > 4

Opérateur 1

Opérateur 2

1ère mesure 2ème mesure

faisceau 1ère mesure 2ème mesure

R

R

X

X









1

-0,59% -0,39% -0,49%

0,20% -0,76% -0,44% -0,60% 0,32%

2 -0,21% -0,13% -0,17% 0,08% -0,44% -0,34% -0,39% 0,10% 3 -0,17% -0,19% -0,18% 0,02% -0,70% -0,47% -0,59% 0,23% 4 -1,19% -1,09% -1,14% 0,10% -1,19% -0,99% -1,09% 0,20% 5 -0,24% -0,40% -0,32% 0,16% -0,36% -0,59% -0,48% 0,22% 6 0,17% 0,20% 0,19% 0,03% -0,03% -0,26% -0,14% 0,23% 7 -0,67% -0,77% -0,72% 0,10% -0,85% -0,81% -0,83% 0,04% 8 -0,91% -0,66% -0,78% 0,24% -1,09% -1,07% -1,08% 0,02% 9 -1,35% -1,25% -1,30% 0,10% -1,39% -1,43% -1,41% 0,04% 10 -0,44% -0,24% -0,34% 0,21% -0,75% -0,71% -0,73% 0,04%

-0,52% 0,12%

-0,73% 0,14%

R 2

X 2

X 1

R 1

We can use the results of the measuring tape to perform a SPC analysis.

Moyenne de et = -0,63% X 1 X 2

= Moyenne de et = 0,13% R 1 R 2

R

03/10/17

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