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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 : h6 Q! X, d' |/ V8 e: X9 \
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简单讲解PPAP
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What PPAP is Not' U3 E- Z& G" Q
• it is not a task, paper work that the customer wants to evaluate your clerical skills
, b: F" A2 z6 H4 [5 @- V" c• it is not documentation that you complete then never look at again* g( Q5 Y/ l8 N* x' f# h& Q$ M1 I7 J
• 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* ^8 B" q+ g2 _/ q( z( Y! P
" F! n3 G8 [( p# x: }What is PPAP7 y' M7 j) _% B. ~
<Production part Approval Process>
3 y; I; ^' F; I4 E# N& t3 R) d• used to evaluate the production process for the manufacture of goods
! Y$ ^2 c/ f' M. }• it is a process, not just a task that your customer requests because he can! { v& d0 k" f6 K/ s; G% C
• it is documented method of evaluating a manufacturing process to verify repeatability and functionally of the process+ r8 J2 q/ p1 i
• 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.
$ P1 U/ j1 h/ K. O3 Y) K• 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. D$ n( p* }/ p) p
• If used as a process monitor, a PPAP can identify opportunities for scrap reduction, productivity improvement and cost reduction.) }/ J- H* W) i& F* R$ P& q
• The point of cost reduction is not only for the customer, it is also for the supplier.
' r( }" O& I. U( r! p! P• It will redirect monies for capital investment and employee and company stability and strength in the market place.
8 R. G$ b( E# c z• Revision of “preliminary Process capability” now called initial process studies1 f* ^: ]$ }: v2 i& B" u
• The use of CPK or PPK and consistent with the SPC reference manual (CPK of 1.67 now required)6 q1 X% q M9 u; S6 }
• Clarifies when a customer notification and/or submission is required.
1 u+ j8 H5 u3 E8 |) _9 R- x• Requirement for Bulk Material now included.. G! x0 s0 P; O2 ]' T
• The PPAP process also does two additional things0 \3 \9 F' n, B; Z! F% x. w9 [5 V
- it is used to determine if the supplier understands customer design records or points and specification requirements
9 y8 ]2 B, M! K$ L2 x- it is also identifies changes that might affect the direct customer or ultimate purchaser of the vehicle or component PPAP third edition7 f# h8 _& G; x0 l* o
- issued September 1999, effective February 1,2000
$ q$ S4 |: b+ Q+ L4 K! E• obsoletes July 1995, second edition9 U8 C0 K; J' k3 t/ ?
• actual change are minimal and evolutional1 ], {' s8 i3 p( b L$ E
• revision included4 E5 T3 Q* O% V N4 J! [
• format consistent with QS9000; d8 I; `( m+ L: E( F5 w4 Q% R
• reordered PPAP requirement to align with typical process flow |
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