Table of Contents Table of Contents
Previous Page  504 / 879 Next Page
Information
Show Menu
Previous Page 504 / 879 Next Page
Page Background

11

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)

We can use the results of the measuring tape to

perform a SPC analysis.

faisceau 1ère mesure 2ème mesure

1ère mesure 2ème mesure









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%

Opérateur 1

Opérateur 2

Moyenne de et = -0,63%

= Moyenne de et = 0,13%

R

R

X

X

X

1

R

1

X

2

R

2

R

X

1

X

2

R

1

R

2

Cpc > 4

03/10/17

2