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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 4 X8 l3 ]; K- t
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简单讲解PPAP 8 Z) }2 \& _: r7 ?1 p
' Z7 c! k3 f# v( r/ u% d1 M" kWhat PPAP is Not& L5 A( n8 o: s0 _7 ^
• it is not a task, paper work that the customer wants to evaluate your clerical skills% Y$ G* _6 S0 O A* W0 r2 w
• it is not documentation that you complete then never look at again) F F E0 n9 p) m( n$ {% \
• 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
" o; p; d6 r7 w, ?<Production part Approval Process>
. ]' K/ L8 R7 t s" b• used to evaluate the production process for the manufacture of goods
% j! ~& T |# ^0 j- c+ |# y• it is a process, not just a task that your customer requests because he can
9 O$ ]8 R; S& H0 C: J$ [• it is documented method of evaluating a manufacturing process to verify repeatability and functionally of the process
7 c4 M9 L* o4 G- G& X( @• 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.6 Q7 O+ T# @( F& m' o5 `; V) T' 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. w3 u& w( w' }' X" P: V, {8 n" p
• If used as a process monitor, a PPAP can identify opportunities for scrap reduction, productivity improvement and cost reduction.. a+ h# K# c {+ s
• The point of cost reduction is not only for the customer, it is also for the supplier.* B4 @4 [& U# J( P7 y$ n
• It will redirect monies for capital investment and employee and company stability and strength in the market place.
; K, T4 g- D& f• Revision of “preliminary Process capability” now called initial process studies
' y% D0 U( b8 W7 u) Z p8 o' ~• The use of CPK or PPK and consistent with the SPC reference manual (CPK of 1.67 now required)1 u& U$ q0 ]' A
• Clarifies when a customer notification and/or submission is required.
, g( I! M+ T2 l1 ?% \• Requirement for Bulk Material now included.1 B; s l# D& I0 u% h7 K9 D
• The PPAP process also does two additional things
( D% \% Z5 F: ]- it is used to determine if the supplier understands customer design records or points and specification requirements# ?& f4 B# W. M" @% r+ J, |4 c
- it is also identifies changes that might affect the direct customer or ultimate purchaser of the vehicle or component PPAP third edition
3 J( M2 _% {2 p# u' r- issued September 1999, effective February 1,2000" E2 i/ B# c" [4 [% d& \" x2 J$ o
• obsoletes July 1995, second edition
7 w0 f. J4 j9 O, X• actual change are minimal and evolutional
7 y4 E* u0 Y7 u4 i0 J5 @• revision included
( {5 [* f. j1 w# n; _• format consistent with QS9000# d0 \! K) C* |4 x$ B7 \! r
• reordered PPAP requirement to align with typical process flow |
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