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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
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. u# r6 B6 ~. t+ _2 ]- G2 { [简单讲解PPAP & v3 V6 p2 ~: y- s; i7 i
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What PPAP is Not% p$ h h5 V& E5 [( s' {
• it is not a task, paper work that the customer wants to evaluate your clerical skills$ o8 B4 j$ q% i: W
• it is not documentation that you complete then never look at again8 w$ ?+ m+ F% `+ \
• 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, p8 F! V" b' N7 l
<Production part Approval Process>
# l8 a% e& Y8 G5 V: H• used to evaluate the production process for the manufacture of goods
, j; v: m! d# g$ f9 C• it is a process, not just a task that your customer requests because he can1 @% v W) C! |, M( b; h
• it is documented method of evaluating a manufacturing process to verify repeatability and functionally of the process8 E9 J& z: O' @2 W9 D" z
• 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.
$ g, V' m/ z5 p: {. |; h" a• 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
# [. r) ^# f. B• If used as a process monitor, a PPAP can identify opportunities for scrap reduction, productivity improvement and cost reduction.
4 D# U) U. J$ q9 C) e9 P; k- Z• The point of cost reduction is not only for the customer, it is also for the supplier.
% u$ s9 {4 g; J. \• It will redirect monies for capital investment and employee and company stability and strength in the market place.
/ {. E: R. K3 r8 b• Revision of “preliminary Process capability” now called initial process studies
3 Y. g1 y$ ^/ P7 |% f$ \: M* `• The use of CPK or PPK and consistent with the SPC reference manual (CPK of 1.67 now required)
. c- c& v. {6 C; }- j• Clarifies when a customer notification and/or submission is required.* z. u4 u7 v+ u: r1 ~. f
• Requirement for Bulk Material now included.% i, p/ L$ Y; q. ]3 r; x
• The PPAP process also does two additional things# _* @, ]( c* _- C2 Q
- it is used to determine if the supplier understands customer design records or points and specification requirements
$ }' @$ a, A1 Z7 \, k( ^- it is also identifies changes that might affect the direct customer or ultimate purchaser of the vehicle or component PPAP third edition
' F) h/ j! j2 y! p. n- issued September 1999, effective February 1,2000
! v: i7 Y& w: @3 F7 Q7 R P• obsoletes July 1995, second edition6 { N$ j# v4 Q2 p% O2 c1 W/ I
• actual change are minimal and evolutional) N' `6 J3 d) L/ N/ B
• revision included4 t, r% d6 q' Q) ?& Q
• format consistent with QS9000& I s3 q7 L4 U @. O; S
• reordered PPAP requirement to align with typical process flow |
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