S
TEP
5. C
ALCULATE THE CAPABILITY INDICATORS
(
SHORT TERM CAPABILITY
)
AND INTERPRETE THE RESULTS
A
NALYZE
Capability indicators
Analyse of the throws
Mean
n-1
Stand dev)
Number of data
Pp
Ppk
Ppm %out of specifications
Samples 1 to 10
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0
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Pp Ppk Ppm % out of
specifications
Interpretation
Samples 1 to 10
Pp:
dispersion?
Ppk:
+ LSL and
LSL ?
Ppm:
+ target ?
Have a look at the % of data out of the specifications
Use the Excel spreadsheet
03/10/17
17