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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 . U2 `6 \! c, Y7 ^) I
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简单讲解PPAP
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1 E; S* L, A* L5 h4 qWhat PPAP is Not( T& M& y6 x8 U- T& `
• it is not a task, paper work that the customer wants to evaluate your clerical skills
1 P3 J/ ^1 d9 U, k$ D: Q1 Y0 S2 S• it is not documentation that you complete then never look at again3 ]. ]( m: I8 \& D
• 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
+ s& N( F2 _- V$ U$ m" N& S( V<Production part Approval Process>3 Z& L% m- T+ v$ Y6 e1 U
• used to evaluate the production process for the manufacture of goods6 {" b- S& }4 o, Z# w
• it is a process, not just a task that your customer requests because he can8 I/ c ?; q* h, s
• it is documented method of evaluating a manufacturing process to verify repeatability and functionally of the process
5 @1 G9 B$ C/ g• 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.. L/ t- m$ Y! J
• 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
; Y+ g2 r2 f' B, v• If used as a process monitor, a PPAP can identify opportunities for scrap reduction, productivity improvement and cost reduction.
9 p2 {$ I- L# ]• The point of cost reduction is not only for the customer, it is also for the supplier.) i8 U5 }3 C, R: A7 o
• It will redirect monies for capital investment and employee and company stability and strength in the market place.+ B& b8 Y% l. H6 f
• Revision of “preliminary Process capability” now called initial process studies: r. g0 o4 E% ?- i3 r
• The use of CPK or PPK and consistent with the SPC reference manual (CPK of 1.67 now required)
! G+ |1 ~ W, |" ~5 r7 k7 ], [• Clarifies when a customer notification and/or submission is required.
0 v8 j/ c- T1 `3 z! ^( M5 Y• Requirement for Bulk Material now included.
; W: y8 d7 W6 C: X• The PPAP process also does two additional things
8 _( Q6 i) a9 x0 w& T4 L- it is used to determine if the supplier understands customer design records or points and specification requirements2 w7 ^$ u8 [0 m. T& P0 r/ u& F
- it is also identifies changes that might affect the direct customer or ultimate purchaser of the vehicle or component PPAP third edition
4 G+ X( j ]& c( B4 \2 A' ^- issued September 1999, effective February 1,20001 x* S) S7 n0 y9 R' w M( D
• obsoletes July 1995, second edition9 s# v1 ^) o% e$ t
• actual change are minimal and evolutional% h$ I. `; d( x1 Y8 b
• revision included
5 c7 f8 j% ~4 c' \2 [; y• format consistent with QS9000
# @1 F/ ], S- D) r8 o2 J% e• reordered PPAP requirement to align with typical process flow |
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