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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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2 }4 }8 z+ L; G- M$ m& F" e6 L简单讲解PPAP , q, M/ O. o5 A/ f4 V" \
, g/ ^, G O* G7 i) U NWhat PPAP is Not/ F' g2 T; l( k! K
• it is not a task, paper work that the customer wants to evaluate your clerical skills9 O( u# P& E- N# F
• it is not documentation that you complete then never look at again
4 ^! U- D2 l) U( l5 F& g• 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$ c' ~4 [4 Z& P) z5 j* P
<Production part Approval Process>2 y# h# t7 t! Z0 X3 M
• used to evaluate the production process for the manufacture of goods
8 r c% |$ c, i" P, s1 P• it is a process, not just a task that your customer requests because he can* a' ^& w/ ?3 A! Q. Z$ @
• it is documented method of evaluating a manufacturing process to verify repeatability and functionally of the process
" }# L* x% N/ `6 A, O0 s* J• 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.
% Y( g5 n7 b! n• 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
0 B$ U v- S o2 t; h/ [) ^• If used as a process monitor, a PPAP can identify opportunities for scrap reduction, productivity improvement and cost reduction.) l, M5 }* k1 [
• The point of cost reduction is not only for the customer, it is also for the supplier.
4 i* W6 Q: @$ E& a( n4 e8 ^. w) q• It will redirect monies for capital investment and employee and company stability and strength in the market place.: A. o: n. T p, y- ~
• Revision of “preliminary Process capability” now called initial process studies
3 m: E; n V1 |5 z, J1 [• The use of CPK or PPK and consistent with the SPC reference manual (CPK of 1.67 now required)9 e; b" C: I. z; K1 p( `0 j
• Clarifies when a customer notification and/or submission is required.
7 x9 O, Y$ j! M, m# `• Requirement for Bulk Material now included.
* [) |0 [# X$ t- A7 ^: W, ~• The PPAP process also does two additional things
$ ]7 p7 e. h1 ~2 P- it is used to determine if the supplier understands customer design records or points and specification requirements
* X- s. u3 B- g0 p5 k% `# ?& @- it is also identifies changes that might affect the direct customer or ultimate purchaser of the vehicle or component PPAP third edition2 C0 B0 D9 k9 P% t) G) z* G- u
- issued September 1999, effective February 1,2000
; _& {6 D& ?, q3 }& H a$ }5 ]• obsoletes July 1995, second edition; d, J8 h1 N6 ]& P& z# g/ p
• actual change are minimal and evolutional
1 l+ `, T5 x: ]) X• revision included
2 E p# Y- Z2 V6 }5 q4 R- B# s• format consistent with QS90005 n% z5 h3 r1 {% {) T
• reordered PPAP requirement to align with typical process flow |
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