Page 187 - PPAP submission requirements (PPAP check sheet)

INITIAL PROCESS STUDY

P/No. : 49404-A0010-A P/Name : TRAY, TOOL KIT CAV.2 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 :
294.3 294.3 294.3 294.3 294.3 294.3 294.3 294.3 294.3 294.3

294.3 293.2 293.6 292.1 293.4 292.3 293.6 292.4 293.4 292.3
294.3 294.3 295.6 294.3 293.5 293.1 295.5 294.2 293.5 293.2

=
n = 30 x 293.837 s = 0.8487
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 = 12.04 P = 11.13
PL
PU
So , P P = 11.59

P PK = 11.13

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