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量具名称:维氏硬度计基准件名称:标准块测量周期:九天量具编号:测量参数:HV439量具类型:计量型参数规格:HV439±3日期:2015.03.152015.03.162015.03.172015.03.182015.03.192015.03.222015.03.232015.03.242015.03.25时间:11:3011:3011:3011:3011:3011:3011:3011:3011:30作业员:测量值14404394394384384384384394402439440439439438438439440439343943943843843943943943943945平均值(X)439.333439.333438.667438.333438.333438.333438.667439.333439.333全距(R)1.0001.0001.0001.0001.0001.0001.0001.0001.0000.0000.0000.000X438.852UCLx=X+A2R439.617A21.020注:1)每次测量数据不少于三个。2)每组测量数据数量应统一。R0.750LCLx=X-A2R438.087D30UCLr=D4R1.928D42.57LCLr=D3R0.000X均值438.852438.852438.852438.852438.852438.852438.852438.852438.852438.852438.852438.852UCLx439.617439.617439.617439.617439.617439.617439.617439.617439.617439.617439.617439.617LCLx438.087438.087438.087438.087438.087438.087438.087438.087438.087438.087438.087438.087R均值0.7500.7500.7500.7500.7500.7500.7500.7500.7500.7500.7500.750UCLr1.9281.9281.9281.9281.9281.9281.9281.9281.9281.9281.9281.928LCLr0.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.000由以上数据总得控制图判若所有X值及R值均在管制上下限内则可接受定若有任何一个X值及R值在管制上下限外则不可接受判定者:制定:审核: