Presents the detailed calculation method for sigma level and process capability index, establishes relation among Sigma level, process capability index and reject rate through research for fluctuation of quality character process and probability distribut
Presents the detailed calculation method for sigma level and process capability index, establishes relation among Sigma level, process capability index and reject rate through research for fluctuation of quality character process and probability distribut
摘要通过对质量特性过程的波动和概率分布的研究，结合对不合格品率的系统分析，给出西格玛水平和过程能力指数的详细计算方法，建立西格玛水平、过程能力指数及不合格品率之间的联系，拓展六西格玛管理的研究内容，给企业管理层提供了质量评价决策依据。