Cpk计算公式

Cpk值自动测算用表机床名称机床编号测算目的过程能力指数 Cpk过程能力修正值 Cp上规范限(质量) TU下规范限(质量) TL技术公差幅度 T公差中心值 M样本均值 μ样本数 n样本标准方差 σ样本偏移量 ε样本偏移度 K样本最大值 MAX样本最小值 MIN合计估算不良率上限估算不良率下限估算不良率测算日期测 算 人结 论0.82530.76092.822.80.022.812.81081000.00400.00080.07802.8222.800#NAME?1.12E-023.81E-03 OK / NG规格设定双侧公差组别1234567891011121314151617181920χ12.8122.8102.8102.8002.8122.8122.8122.8102.8102.8222.8122.8022.8102.8122.8122.8202.8122.8102.8202.806样本检测数据χ2χ3χ42.8102.8102.8162.8102.8122.8102.8122.8102.8142.8222.8102.8102.8102.8102.8102.8122.8142.8102.8102.8082.8122.8122.8122.8102.8122.8102.8162.8122.8102.8102.8122.8142.8102.8102.8002.8102.8042.8202.8002.8142.8142.8122.8122.8102.8122.8102.8162.8122.8102.8102.8122.8142.8102.8102.8002.8102.8042.8202.8002.814χ52.8082.8102.8102.8102.8102.8102.8102.8122.8122.8122.8102.8102.8102.8102.8082.8102.8102.8102.8102.8081上限公差下限公差公称(规格)值2.81 上 公 差0.01下 公 差-0.01测算尺寸简述2.81分布密度120正态分布图实线---样本μ正态分布图虚线---无偏移M正态分布图100806040200TU变量样本数据散布图2.825 2.820 2.815 2.810 2.805 2.800 2.795 2.790 2.785 2.780 2.775 147101316192225283134374043464952555861646770737679828588919497100