1、过过程程能能力力研研究究报报表表CPKCPK产品名称齿规 格标 准单位mm上限USL50.020抽样方法控制项目孔径中心值U50.010测量人员供应商名称机械厂下限LSL50.000测量时间序号值样本个数 n30制程能力指数cpk 1.341.34150.008样本均值 u50.010250.011技术公差幅度t0.020标准方差 0.002350.015样本最大值max50.015制程精密度cp1.350450.010样本最小值min50.005制程准确度ca0.010550.007650.007750.013850.013950.0081050.0111150.0101250.009135
2、0.0121450.0141550.0051650.0071750.0131850.0091950.0102050.0062150.0092250.0092350.0112450.0122550.0122650.0122750.009结论:A A良 能力良好,状态稳定,但应尽力提升为A级2850.0112950.0083050.012编制:审核:样样本本数数据据散散布布图图 1471013161922252849.98549.9949.9955050.00550.0150.01550.0250.025正正态态直直方方图图50.00050.00250.00450.00650.00850.01050.01250.01450.01650.01850.020012345678910020406080100120140160180频数偏态正态