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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 ; e6 Z3 t0 Y l4 O' |; j9 _3 R3 Y
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简单讲解PPAP
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0 Q6 W5 T# h5 GWhat PPAP is Not& Z' o3 c: R! g: ^8 S
• it is not a task, paper work that the customer wants to evaluate your clerical skills
. p8 U- a1 w4 @9 {• it is not documentation that you complete then never look at again
+ I5 M) s4 g" k( z# C% b7 C. W$ q• 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
' ? M' t( i- y; n0 f<Production part Approval Process>9 N* I$ l. V: h1 t: S$ @
• used to evaluate the production process for the manufacture of goods% Y) _2 k* r. I
• it is a process, not just a task that your customer requests because he can
, T4 v" Q8 w* O1 M* N6 \• it is documented method of evaluating a manufacturing process to verify repeatability and functionally of the process
: s" V* ^, }2 W% 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.
( K; M/ J: C2 |9 J3 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
/ V2 I1 k4 Q0 ]; R7 A* a• If used as a process monitor, a PPAP can identify opportunities for scrap reduction, productivity improvement and cost reduction.# K( u. ^4 K, B ~. c3 M* \8 \/ ?5 h
• The point of cost reduction is not only for the customer, it is also for the supplier.* i6 O" n K: e/ V5 O
• It will redirect monies for capital investment and employee and company stability and strength in the market place.+ `2 ^ z4 ]+ b' _
• Revision of “preliminary Process capability” now called initial process studies5 b, _. i4 h" e9 m$ ~' z
• The use of CPK or PPK and consistent with the SPC reference manual (CPK of 1.67 now required)5 B' s4 s! K1 v3 e! P) X6 y7 ? e
• Clarifies when a customer notification and/or submission is required.+ y5 G) [& d. I+ B; k9 ]
• Requirement for Bulk Material now included.
1 |2 k$ M. U2 E' o9 r• The PPAP process also does two additional things
4 T9 O) N! f# C% H4 X* y# o- it is used to determine if the supplier understands customer design records or points and specification requirements
8 V2 @* d/ ]/ J Z) e- it is also identifies changes that might affect the direct customer or ultimate purchaser of the vehicle or component PPAP third edition
1 Q7 N% y5 I: g% p; Q- issued September 1999, effective February 1,2000
# P# ? S; E" n, F! _4 Z) V• obsoletes July 1995, second edition
: d! v* D) {6 S0 |• actual change are minimal and evolutional4 r8 y {6 {2 \
• revision included; m1 V1 s0 ^& t( m" r, X! |
• format consistent with QS90002 k7 j3 b' R& I& o( z; k9 N9 o
• reordered PPAP requirement to align with typical process flow |
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