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在我们公司提到有一种Family PPAP的概念，好象是说如果同类零件，在同一家供应商开发，生产流程相同，关键控制点相同，只是尺寸不同，可以采用此类PPAP。请看以下例子。# A( m$ ^6 y# Z7 K% f' t$ D
各位大侠有谁了解Family PPAP? 这个概念在PPAP标准中有没有？在哪位能提供相应参考资料，非常感谢！
- V4 t. @7 I. x6 |- @' y如果这种概念可行，具体操作中需要注意什么？
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Example 1. Tube Family& [/ d) K7 Q" N2 S/ H/ @* m$ P0 ~+ ~
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4 process streams at supplier with several hundred PNs each. It makes 4 Family PPAPs. 2 ?2 L3 w! Q8 x( O0 U
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2xCF (cold-formed both ends)
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CB&W (complex brazed & welded)
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. B0 e$ S( @1 |% ~- b8 @RTB (round table brazed)8 C ]# c, z- |5 ]
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; P# U5 S9 ~6 gEC (extra complex)
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- B2 C5 P) z8 ~$ z0 D0 ^+ WGood family PPAP Parameters:
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. c/ a- v1 ^3 X! lSame processes (by VSM) $ f3 B) {0 W. @, ^7 b
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Same materials
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Same plating / painting3 E- g8 g5 r& i
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0 S+ k1 y: L( E$ w3 ~" p9 C. TSame controls0 T, ^4 P- i n0 b. `
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FMEAs done by process5 R$ B2 S* f$ k- x1 [
9 e8 u+ E+ E/ H9 [3 XFamily PPAP simplification and benefits:2 o3 z9 }: N4 i& E9 H, u9 U# B
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All processes common except specifics on tube sizes, tube bending and fittings! _" ?' K8 W% o2 R* P7 L& s) a9 I) D
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(2.2.9)
7 H9 B, D, ~% L8 p6 W5 T A HDimensional Results3 Q- `0 c$ X) B v: C+ a: G
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! a# B% F! q; V5 W: O% LTube bend geometry
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& ~& ~) \. J3 E2 eFitting confirmation8 s6 N5 J Z' u
Tube size and wall confirmation% y1 i' T' f c
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发表于 2010-10-21 09:38:39
