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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 ; B4 Z O/ {& ]8 X
2 j2 h m. ~. u# E1 H1 dWhat PPAP is Not
) F( L( F# e$ M, \# |$ h/ K• it is not a task, paper work that the customer wants to evaluate your clerical skills* z# d- q7 @5 c% i5 A' k
• it is not documentation that you complete then never look at again
3 T" x' y. X* n+ p) 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. q; J& [0 A6 o3 j$ b
, B( T2 M/ H v; _4 \What is PPAP
+ x, J# t+ `& {- A# O# d<Production part Approval Process>3 G; i1 L, t( Y. b t1 T
• used to evaluate the production process for the manufacture of goods4 |" v( h0 v* [4 }3 L
• it is a process, not just a task that your customer requests because he can
4 \2 w8 M* t1 I J* w; J4 m• it is documented method of evaluating a manufacturing process to verify repeatability and functionally of the process7 |# ^& q5 B5 g& p1 |
• 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.
, G1 ?: K: |) e& 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
# L N# ~, k" L* ]$ H& f; C• If used as a process monitor, a PPAP can identify opportunities for scrap reduction, productivity improvement and cost reduction.; ?4 ^3 ]& b2 F J/ F
• The point of cost reduction is not only for the customer, it is also for the supplier.
! t4 f& X$ A8 R J+ q• It will redirect monies for capital investment and employee and company stability and strength in the market place.; T8 p$ ?8 h7 `* D* O
• Revision of “preliminary Process capability” now called initial process studies
9 j+ M9 r0 _+ q* p; `1 g• The use of CPK or PPK and consistent with the SPC reference manual (CPK of 1.67 now required)
_) } ?& k# O/ N2 z• Clarifies when a customer notification and/or submission is required.
. Q* x( U) @9 J* d) H0 w• Requirement for Bulk Material now included.3 ?% @5 L% e- i5 j$ e3 z: t) p6 c* ^. J
• The PPAP process also does two additional things
1 p/ Q m4 s1 l0 N% w) L3 k& J& F- it is used to determine if the supplier understands customer design records or points and specification requirements
0 G' W [( |1 A) m9 q& U- w5 F2 {- F- it is also identifies changes that might affect the direct customer or ultimate purchaser of the vehicle or component PPAP third edition. M% N/ ]) A6 l) q7 {
- issued September 1999, effective February 1,2000
9 F! p; T( ~/ c" r5 p• obsoletes July 1995, second edition6 [5 `# i3 e) T+ i. t q7 n% r
• actual change are minimal and evolutional
/ W! M8 n/ m) \! p* I1 z0 W• revision included
5 t. S7 a. m+ X, N• format consistent with QS9000# M( B5 ]5 D1 z+ R9 M3 H
• reordered PPAP requirement to align with typical process flow |
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