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ʱ䣺 2007-10-21 13:49:38
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ʱ䣺200776 15ʱ11
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CpkĶx飺Ƴָij̻ƳˮҲǹuһָˡ
2. ͬCpkϢϢPăɂCa , Cp.
Ca: Ƴ_ȡ Cp: Ƴ̾ܶȡ
3. Cpk, Ca, CpߵPϵ Cpk = Cp * ( 1 - Ca)CpkCaCpߵкͷCaλPϵ(څ)CpɢPϵ(xɢڅ)
4. xƳվeCpkܿؕrԳɱҪأ߀Ʒ|ԌƳ̵Ӱ푶ȡ
5. ӋȡӔّ20~25Mһԡ
6. ӋCpkռȡӔ⣬߀֪ԓƷ|ԵҎ(USLLSL)ſӋֵ
7. ȿExcelġSTDEVԄӋȡӔĘ()ӋҎ(T)Ҏֵ(u). ҎҎޣҎީrҎֵҎ+Ҏޣ/2r
8. ʽ ӋƳ_ȣCaֵ
9. ʽCp = ӋƳ̾ܶȣCpֵ
10. ʽCpk=Cp ӋƳָCpkֵ
11. Cpkuɓ˘Ӌ֮Ƴָߣ
A++ CpkR2.0 ɿ]ɱĽ
A+ 2.0 Cpk R 1.67 ֮
A 1.67 Cpk R 1.33 ãBMA
B 1.33 Cpk R 1.0 һ Bһ㣬Ƴ׃ЮaΣUøNYԴA
C 1.0 Cpk R 0.67 Ƴ̲^࣬
D 0.67 Cpk ɽ ̫]OӋƳ̡
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