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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 9 e7 D5 P6 \' w5 V; J
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简单讲解PPAP
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What PPAP is Not' ~! l; D X/ ~/ ^" b, [) f
• it is not a task, paper work that the customer wants to evaluate your clerical skills+ m" d3 j5 g4 w, v, _
• it is not documentation that you complete then never look at again0 L7 A. O7 I1 t
• 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 a1 Y% f9 h4 G
/ T. A+ k6 T* g: x' `/ K% _What is PPAP
2 N& e. K! C8 e/ S<Production part Approval Process>
; Z [. n' h2 s9 s: }' |& L• used to evaluate the production process for the manufacture of goods5 \' u$ k4 G" K- |" u$ ~* O
• it is a process, not just a task that your customer requests because he can$ v6 J$ [ U3 s5 u N2 `5 ]
• it is documented method of evaluating a manufacturing process to verify repeatability and functionally of the process3 M/ I; m Q, I# O
• 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.7 u7 ] V+ V9 u2 x, V' t
• 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' z7 ~0 k1 X; ?8 O% D* O
• If used as a process monitor, a PPAP can identify opportunities for scrap reduction, productivity improvement and cost reduction.
" E( V+ j$ p* J( V0 D% f$ I• The point of cost reduction is not only for the customer, it is also for the supplier.
6 m3 j+ ?, d" F& \: w• It will redirect monies for capital investment and employee and company stability and strength in the market place." P. k6 t- c g/ _* l
• Revision of “preliminary Process capability” now called initial process studies n( G$ e x; n8 Q+ t9 v
• The use of CPK or PPK and consistent with the SPC reference manual (CPK of 1.67 now required)& Y" z# W3 X8 h/ d3 u6 n; H! E
• Clarifies when a customer notification and/or submission is required.
2 M1 w9 [9 }0 U; k* g2 x/ A8 r8 R• Requirement for Bulk Material now included.( j4 u% a* A* U& ^) F" U
• The PPAP process also does two additional things
' u, u; Y# Y: ~: N& a- it is used to determine if the supplier understands customer design records or points and specification requirements) ]/ l; _$ X, ?, j4 g7 q) A+ o/ T- c
- it is also identifies changes that might affect the direct customer or ultimate purchaser of the vehicle or component PPAP third edition1 w1 Z V- e* e( T: w' a
- issued September 1999, effective February 1,20003 v# y8 z" B/ t, Q9 S' w
• obsoletes July 1995, second edition. Y9 b8 s2 V a6 u* r5 W
• actual change are minimal and evolutional8 d0 D7 l; _8 y, h
• revision included
/ g9 N8 ~+ g( v2 b; Z o• format consistent with QS90005 @; V& W0 a6 |' {3 R' T
• reordered PPAP requirement to align with typical process flow |
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