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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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简单讲解PPAP
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What PPAP is Not
, V9 v2 E, b$ P0 H* i• it is not a task, paper work that the customer wants to evaluate your clerical skills' E& H/ t3 [2 T ^3 g
• it is not documentation that you complete then never look at again1 n5 I7 ?. w, s( t% W/ Z, W6 A
• 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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5 c, S+ X1 H I' D4 gWhat is PPAP
; N" Y: Y7 R3 U* \6 ?<Production part Approval Process>, z/ Q1 ]+ t" F. V5 e
• used to evaluate the production process for the manufacture of goods5 _/ R: N, L1 W: x" V9 M
• it is a process, not just a task that your customer requests because he can4 j7 t0 B3 |: }3 Z( Y, D7 y
• it is documented method of evaluating a manufacturing process to verify repeatability and functionally of the process/ Z" G: ?( X+ o, H
• 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.
) l3 [& j7 ^- y7 n* w" E• 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 E* u- J7 m- K7 g) Y# Q' T @• If used as a process monitor, a PPAP can identify opportunities for scrap reduction, productivity improvement and cost reduction." O- w# t' v8 M" y9 @
• The point of cost reduction is not only for the customer, it is also for the supplier.- C; A7 W$ w6 F, g( Y; u( E
• It will redirect monies for capital investment and employee and company stability and strength in the market place.2 I6 ^& T% M# ?4 F2 p
• Revision of “preliminary Process capability” now called initial process studies. Z" y4 V& m R0 |
• The use of CPK or PPK and consistent with the SPC reference manual (CPK of 1.67 now required)
& b/ _5 E& P3 Z: J• Clarifies when a customer notification and/or submission is required.
d; t' h. g/ ~0 v0 f% u• Requirement for Bulk Material now included.
- _) Z6 L9 z" E! ^• The PPAP process also does two additional things
& c9 j& q5 A; V- it is used to determine if the supplier understands customer design records or points and specification requirements! n- l3 y) ~+ e3 c7 l
- it is also identifies changes that might affect the direct customer or ultimate purchaser of the vehicle or component PPAP third edition% A; [7 C8 _+ c: X
- issued September 1999, effective February 1,2000
3 e' B! h! v% g& @• obsoletes July 1995, second edition! w) X5 _- d8 i; y w; t! H
• actual change are minimal and evolutional
1 S: ]0 |- m9 W# r& _• revision included
9 \$ d ^4 S" F: l• format consistent with QS9000
. \/ S3 q' {: O' Z: Y, R2 s• reordered PPAP requirement to align with typical process flow |
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