【正文】
最適創(chuàng)意(Execute Fittest Idea)實(shí)施STEP 6效果確認(rèn)(Confirmation of Results)STEP 7標(biāo)準(zhǔn)化或再發(fā)防止(Standardization Or Recurrence Prevention)STEP 8殘留問題與未來計(jì)畫(Reflection on the case and Future plans)過程改善QC STORY。4σμ177。製程解析與製程管制製程能力係數(shù)CP、K、CPK符號(hào)意義首先將一些符號(hào)代表意義標(biāo)示如下:u USL (上規(guī)格界限): upper specification limitu LSL (下規(guī)格界限): lower specification limitu m(規(guī)格中心):midpoint of the upper and the lower Specification limits, u T (目標(biāo)值): Target指定雙邊規(guī)格時(shí)(1)準(zhǔn)確度k,1≦k≦1,(2)精密度Cp指標(biāo)(3)Cpk指標(biāo)Cpk指標(biāo)主要是用以衡量製程之實(shí)際成效(process performance),而Cpk製程能力指標(biāo)定義如下:,或Cpk=(1)Cp指定單邊規(guī)格時(shí)T (目標(biāo)值): Target,如果