最新版本设备Cmk值检测评定报告

3.10单位:测量时间:Tu-----上极限尺寸TL-----下极限尺寸检测理由S-----样本的标准偏差X-----平均值设备型号及名称设备编号Xi-----实测值Cmk-----机械能力指数零件号及名称材料双向公差时:Cmk=(T-2ε)/8Sε----分布中心与公差中心的绝对偏移量上道工序(毛坯)尺寸硬度单向公差时:Cmk=(Tu-X)/4S或Cmk=(X-TL)/4S工序说明①、工艺参数(切削用量)②、工装夹具③、刀具特性、换刀间隔④、零件尺寸(含公差)5.30.15-0.15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X5.3208S0.028T0.3ε0.020815.3115.3215.3315.3415.3Cmk1.14525.34125.34225.3325.3425.3分析评定:35.3135.32235.3335.34435.3545.32145.3245.33345.3445.355.33155.3255.32355.3455.3465.3165.34265.3365.34465.375.3175.34275.3375.4475.385.33185.33285.3385.38485.38需采取对策:95.3195.3295.34395.33495.3105.34205.34305.42405.3505.3计算分析:T-----公差范围机动部经理:项目负责人:操作者:机械员:工艺员:iniXnX?????11??????niiXXn12)(1?TlTuT??4.9555.055.15.155.25.255.35.355.45.455.505101520253035404550