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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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7 @8 f7 B5 X5 X, e) K简单讲解PPAP
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What PPAP is Not# @/ H3 p. Z: p! _- T0 d/ Y
• it is not a task, paper work that the customer wants to evaluate your clerical skills
0 p% a, v$ f4 R+ n; }• it is not documentation that you complete then never look at again; g7 r. G7 l( v' r* Q
• 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; x- U" d, z- w* D5 s
2 c3 X" i9 I; {8 u, N+ H1 GWhat is PPAP' R. w, o7 t0 r# v# e% V
<Production part Approval Process>
) W7 A6 W- G; o& _% D: }• used to evaluate the production process for the manufacture of goods
( x# Y! B ~6 s( Q1 O• it is a process, not just a task that your customer requests because he can
+ o1 k& Z6 z, N2 y9 u2 t9 p$ B• it is documented method of evaluating a manufacturing process to verify repeatability and functionally of the process
, Z# ]9 k0 {2 q* }* K• 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.% z Q$ p/ F0 S {8 c
• 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
6 C$ B+ r( W- H/ Q( Q S• If used as a process monitor, a PPAP can identify opportunities for scrap reduction, productivity improvement and cost reduction./ b3 I, u# H B: e0 ?; r# B& ?' ]
• The point of cost reduction is not only for the customer, it is also for the supplier.
1 s6 x6 x" f+ P• It will redirect monies for capital investment and employee and company stability and strength in the market place.3 X# k9 f1 q8 A3 Y3 k; ?( [9 s
• Revision of “preliminary Process capability” now called initial process studies G6 n' V: I9 ~: C& G' p
• The use of CPK or PPK and consistent with the SPC reference manual (CPK of 1.67 now required)
( N2 \8 \; X& U7 I9 x) O( F• Clarifies when a customer notification and/or submission is required.
5 V+ r4 y5 W; m$ ~5 z& H G9 o• Requirement for Bulk Material now included.
Y4 l8 q# j! i8 [+ j) ~- D6 q$ C• The PPAP process also does two additional things
' N3 `1 j; u6 J- it is used to determine if the supplier understands customer design records or points and specification requirements
! t/ V$ B+ D- {8 m- d1 l2 A9 q1 @- it is also identifies changes that might affect the direct customer or ultimate purchaser of the vehicle or component PPAP third edition
. j1 p, n& N4 h- Q+ w8 n4 j) Z- issued September 1999, effective February 1,2000
6 q/ ? r/ p& |; P8 S1 I" L! P• obsoletes July 1995, second edition. [. \8 ^: a- T( ]9 j. z
• actual change are minimal and evolutional
+ |! p/ |$ V7 t: [% i. P• revision included( g1 y( Z2 ^- M3 i ]% Y m, q
• format consistent with QS9000
5 }' ^( ^) i+ G/ q• reordered PPAP requirement to align with typical process flow |
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