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A
NALYZE
Global analysis of the process: capability
indicators and control charts
S
TEP
9: A
NALYSE THE PROCESS IN TERMS OF CAPABILITY AND
STABILITY TOGETHER
03/10/17
29
Excel spreadsheet:
CONTROL CHARTS STATE OF THE PROCESS
SUGGESTIONS FOR QUALITY IMPROVEMENT?
(see the Ishikawa diagram)
Analyse of the throws
Pp
Ppk
Ppm %out of specifications INTERPRETATION STABLE?
Samples 1 to 10
#DIV/0!
#DIV/0!
#DIV/0!
#DIV/0!
0
* I:
* MR:
Samples 11 to 15
(same protocol than 1 to 10)
#DIV/0!
#DIV/0!
#DIV/0!
#DIV/0!
0
* I:
* MR:
CAPABILITY/PERFORMANCE INDICATORS
STABLE?
CAPABLE?
1 3
2
4
YES
YES
NO
NO