Page 156 - PPAP submission requirements (PPAP check sheet)

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 : 0 Plus 3 Upr Spec Limit 3.0
Point Check : Point 42 Minus 3 NOMINAL 0.0
Evaluate By : T-QA-001 Lwr Spec Limit -3.0

Two Sided spec. (bilateral) One Sided (MAX) One Sided (MIN)
Please input data :
0.8 0.7 0.5 0.6 1.0 0.5 0.6 0.7 0.8 0.9

1.0 0.8 0.6 0.7 0.8 0.5 0.6 1.0 0.6 0.5
0.8 0.4 0.6 0.4 0.8 0.6 1.0 0.8 0.7 0.6

=
n = 30 x 0.697 s = 0.1752
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 = 4.38 P = 7.04
PL
PU
So , P P = 5.71

P PK = 4.38

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