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发表于 2007-4-24 21:05:11
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来自： 中国广东深圳
本帖最后由 svw0936 于 2010-3-3 17:10 编辑 8 o! x# w+ X9 @* g. _; Y
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简单讲解PPAP
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% \9 n" U% |$ Z/ |1 E: y1 \ \What PPAP is Not
& I0 y4 S& M. k8 y" }2 G2 I• it is not a task, paper work that the customer wants to evaluate your clerical skills
( n: T# t$ h4 t, V+ l• it is not documentation that you complete then never look at again8 H# o/ b( X( d( |8 S! J
• it is not a format you fill out to meet a QS9000 requirement. Although it is a QS9000 requirement section 4.2 of Advance Production Quality Planning! V% c* u n$ t, L2 A: \5 E/ P
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What is PPAP
, E$ V8 M- v. J# F+ ]<Production part Approval Process>
4 B. u3 [5 l" {5 C• used to evaluate the production process for the manufacture of goods
: Q4 ?! ]0 O% P( {% s* X8 M g• it is a process, not just a task that your customer requests because he can
4 {: ]3 w; D. X+ W• it is documented method of evaluating a manufacturing process to verify repeatability and functionally of the process6 L7 M4 @5 T# L" S
• A blueprint, if you will, of how a manufacturing process flows, is controlled and maintained for predicated consistency, time, part to part, and shift to shift.* Q3 d6 G5 b: G: o& i* g+ P% ?0 w
• The process control plan and PFMEA, which is part of a PPAP is working, living document to control process and evaluate predictability and continuous improvement
$ z0 A6 x5 U$ `, S/ i3 {• If used as a process monitor, a PPAP can identify opportunities for scrap reduction, productivity improvement and cost reduction.
5 T3 h" w& z% F• The point of cost reduction is not only for the customer, it is also for the supplier.+ b! s! q+ i9 K3 F" |" ~" r3 r: l k
• It will redirect monies for capital investment and employee and company stability and strength in the market place.' _( j8 G% g/ e C |/ o
• Revision of “preliminary Process capability” now called initial process studies0 h$ [. O V1 F* n @
• The use of CPK or PPK and consistent with the SPC reference manual (CPK of 1.67 now required)
) z- D6 I, T( e# \5 O& o S6 {7 \• Clarifies when a customer notification and/or submission is required.1 t0 S1 I+ `$ P" d! _* H
• Requirement for Bulk Material now included.
/ ~' s% h. \5 E; F* K0 P& a( A5 v• The PPAP process also does two additional things) e; ^! z% a+ m/ b5 d
- it is used to determine if the supplier understands customer design records or points and specification requirements' ]3 @4 i* R3 \% [0 a" Y
- it is also identifies changes that might affect the direct customer or ultimate purchaser of the vehicle or component PPAP third edition6 [- x# z" m& K! N* V4 Z
- issued September 1999, effective February 1,2000. u& b( v( d+ X# W7 w: J( t5 J
• obsoletes July 1995, second edition
% u& |: q4 E2 G% n• actual change are minimal and evolutional
# k! z7 [5 q+ P& i0 W2 g• revision included
! ?" V5 b \+ `/ m6 u• format consistent with QS90008 A1 ?) t1 y G( A$ P
• reordered PPAP requirement to align with typical process flow |
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