Page 164 - PPAP submission requirements (PPAP check sheet)
P. 164
INITIAL PROCESS STUDY
P/No. : 49404-A0010-A P/Name : TRAY, TOOL KIT CAV.1 Supplier : THAI EPP FOAM
Date : 20/2/2020 Model : SPA1 / M001 Incharge : K.Tanongsak
Standard Value : 295 Plus 29.5 Upr Spec Limit 324.5
Point Check : Weight Minus 29.5 NOMINAL 295.0
Evaluate By : W-QA-003 Lwr Spec Limit 265.5
Two Sided spec. (bilateral) One Sided (MAX) One Sided (MIN)
Please input data :
294.1 294.2 294.1 294.5 294.3 294.3 294.3 294.3 294.3 294.3
294.3 294.3 292.3 294.3 294.3 293.2 293.6 292.1 293.4 292.3
292.1 292.3 292.4 293.5 294.3 294.3 295.6 294.3 293.5 293.1
=
n = 30 x 293.740 s = 0.8892
s
Formulas :
Pp = (USL - LSL ) / 6ss
P = min ( P , P )
PK
PL
PU
When :
P = ( USL - ) / 3s s ; P = ( - LSL) / 3s s
x
x
PU
PL
Calculate :
P = 11.53 P = 10.59
PL
PU
So , P P = 11.06
P PK = 10.59
Judgement
SKETCH
X Excellent ( >1.67 )
Good ( > 1.33 )
Fail ( <1.33 )
THAI EPP FOAM CO.,LTD.
Approved Checked Reported
20/2/2020 20/2/2020 20/2/2020
EFM-QA-012 REV.02;28/10/56