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单位:测量数据记录:时分至时分温度湿度噪音√(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X5.3208S0.0280.15ε0.054215.3115.3215.3315.3415.325.34125.34225.3325.3425.3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:95.3195.3295.34395.33495.3105.34205.34305.42405.3505.30.246①、工艺参数(切削用量)②、工装夹具零件号及名称材料检测理由测量时间:设备编号③、刀具特性、换刀间隔上道工序(毛坯)尺寸硬度设备型号及名称计算分析:取样数量50(件)取样方式连续取样测量起止时间环境条件波动范围T-----公差范围Tu-----上极限尺寸TL-----下极限尺寸S-----样本的标准偏差X-----平均值0.15Xi-----实测值Cmk-----机械能力指数双向公差时:Cmk=(T-2ε)/6S设备Cmk值检测评定报告CmkT④、零件尺寸(含公差)间隔抽样工序说明单向公差时:Cmk=(Tu-X)/3S或Cmk=(X-TL)/3S测量工具与办法:(量具名称、量具编号、量程、精度、测量方法)5.30ε----分布中心与公差中心的绝对偏移量5.285.35.325.345.365.385.45.425.445.4605101520253035404550iniXnX11niiXXn12)(1TlTuT
本文标题:88CMK计算公式
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