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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 " l6 ~; B3 ]: M
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简单讲解PPAP
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What PPAP is Not
( e0 @- J% f4 M• it is not a task, paper work that the customer wants to evaluate your clerical skills# k7 m# N/ M$ d: s3 I6 ^; F
• it is not documentation that you complete then never look at again
" Q. w5 f! s; |/ k- r• 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$ b% Q& l" K& ~: S( \
, o0 o. k w; A( G9 M3 U; D8 vWhat is PPAP
4 U! B% }8 c3 a" l' C3 j' F; w<Production part Approval Process>
- {9 _, Y) [8 W G/ V. E• used to evaluate the production process for the manufacture of goods
/ Q! c, {* D3 ^& C* T/ l. r• it is a process, not just a task that your customer requests because he can
( D; u k7 C* r4 N6 g: q• it is documented method of evaluating a manufacturing process to verify repeatability and functionally of the process2 }' j) y( O. m/ d8 H
• 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." @" X7 Z T1 K1 |. Z2 }9 b& b4 O
• 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$ z' m! u/ P/ U/ Z/ @7 H
• If used as a process monitor, a PPAP can identify opportunities for scrap reduction, productivity improvement and cost reduction.
. E- A- D1 |6 @* J- L* k: O* ~• The point of cost reduction is not only for the customer, it is also for the supplier.
' G, i& Y! Q d) X• It will redirect monies for capital investment and employee and company stability and strength in the market place.0 P$ ?8 | }9 Y Z: W
• Revision of “preliminary Process capability” now called initial process studies5 O& y3 e! H' l. r
• The use of CPK or PPK and consistent with the SPC reference manual (CPK of 1.67 now required)3 [* ^* @1 C- g5 _4 { D& u" ~2 S3 D
• Clarifies when a customer notification and/or submission is required.
3 x* R3 G( \# b* g• Requirement for Bulk Material now included.' Z( z3 p( e8 B6 S. q+ D
• The PPAP process also does two additional things
; B. B5 x3 {( v, F" l) P- it is used to determine if the supplier understands customer design records or points and specification requirements, P5 n% Z3 F- W( Q4 @
- it is also identifies changes that might affect the direct customer or ultimate purchaser of the vehicle or component PPAP third edition7 g, A0 ?: p. P$ ^: ?6 Q; R
- issued September 1999, effective February 1,2000
2 H$ s. ]- L( F" Q! n0 Y) |! x• obsoletes July 1995, second edition
% P: L- e" P$ P* m( @1 }6 P( b• actual change are minimal and evolutional. v) }( K( N0 g1 f
• revision included7 B8 r2 I3 C# |& l O" p
• format consistent with QS90008 _! |& u# i; h8 Y/ O: \0 T
• reordered PPAP requirement to align with typical process flow |
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