设 备 C m k 值 检 测 评 定 报 告单位:测量时间:检测理由设备型号及名称设备编号零件号及名称材料尺寸①、工艺参数②、工装夹具工序说明③、④、零件尺寸(含公差)5.30.2-0.2测量工具与办法:(量具名称、量具编号、量程、精度、测量方法)测量数据记录:测量起止时间时分至时分环境条件波动范围温度湿度噪音取样方式连续取样√间隔抽样取样数量50(件)(件)序号实测值序号实测值序号实测值序号实测值序号实测值15.3115.3215.3315.31415.325.34125.34225.3325.3425.335.3135.32235.3335.34435.3545.32145.3245.33345.3445.355.33155.3255.32355.24455.2265.3165.34265.3365.34465.375.3175.34275.3375.4475.385.33185.33285.3385.38485.3895.3195.3295.34395.33495.3105.34205.34305.32405.3505.3计算分析:hTu -----上极限尺寸TL -----下极限尺寸S----- 样本的标准偏差 X-----平均值Xi -----实测值Cmk -----设备能力指数双向公差时:Cmk=(T-2ε)/8Sε----分布中心与公差中心的绝对偏移量单向公差时:Cmk=(Tu-X )/4S或Cmk=(X-TL)/4S 要求Cmk≥1。675.555.55.455.45.355.35.255.25.155.15.0505101520253035404550X5.3154S0.030T0.4ε0.0154Cmk1.555分析评定:需采取对策:XTTuTl1nXini1项目负责
21nXiX)(ni1T-----公差范围操作者:
机械员:
工艺员:
机动部经