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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 ' l& z3 j5 j7 B2 @! ~1 ?) c: i7 L
% j5 {) f/ @/ ]- j# t: ?+ c' n; Q简单讲解PPAP
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5 f3 ~" ]/ d$ J: J0 d, a5 \What PPAP is Not7 J& k3 w* Y k" k% ?% Z& X
• it is not a task, paper work that the customer wants to evaluate your clerical skills
! Y& l- u; @2 e5 U• it is not documentation that you complete then never look at again/ D; v. r P: V- j* S9 c2 I
• 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
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What is PPAP. C) p+ {" ^/ L3 y8 z
<Production part Approval Process>
* l2 H0 T' _0 x2 j* c& j' r• used to evaluate the production process for the manufacture of goods' E( S7 P0 H- ?8 z& ^# ^
• it is a process, not just a task that your customer requests because he can# W2 L) f# O% f4 x' R, F# `: x
• it is documented method of evaluating a manufacturing process to verify repeatability and functionally of the process7 w1 O9 D) k+ s3 M
• 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.# u2 q& u O" M; E9 m/ I! y
• 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
4 {4 j( [, D# s; _• If used as a process monitor, a PPAP can identify opportunities for scrap reduction, productivity improvement and cost reduction.$ t& Q! P2 \; J% M- S0 a
• The point of cost reduction is not only for the customer, it is also for the supplier.
4 y2 e2 b. ]1 ]• It will redirect monies for capital investment and employee and company stability and strength in the market place., N+ I0 ]; S0 y' S8 N
• Revision of “preliminary Process capability” now called initial process studies j9 ~/ U: J4 p+ U& r
• The use of CPK or PPK and consistent with the SPC reference manual (CPK of 1.67 now required)( c+ _4 T: X- s0 z
• Clarifies when a customer notification and/or submission is required.$ |" ?7 g& \/ l. ~, M% w% i/ v& P
• Requirement for Bulk Material now included.
1 C. j1 r% b. C7 ]• The PPAP process also does two additional things/ J, Z7 X9 }- E2 E
- it is used to determine if the supplier understands customer design records or points and specification requirements( r) h3 u% R$ l' e& ?; z% W) \/ x* ]
- it is also identifies changes that might affect the direct customer or ultimate purchaser of the vehicle or component PPAP third edition
; @" P: V# _, u/ F- issued September 1999, effective February 1,2000
" F8 I7 Y, K* R; J+ N• obsoletes July 1995, second edition! X$ w, T, W- } x
• actual change are minimal and evolutional1 Z* E/ t# _6 k* _
• revision included
* U1 ]" a, S! h: S, A* y7 h/ \• format consistent with QS9000
' Q3 J: q0 O1 t• reordered PPAP requirement to align with typical process flow |
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