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初初始始能能力力研研究究指指南南1初始能力研究范围a)产品特殊特性b)过程特殊特性2初始能力研究方法一般采用控制图法,也可采用相同作用的其它方法。3初始能力研究步骤a)确定初始能力研究对象(特性)b)进行零件加工(至少100个)c)将零件分成25组d)分别测量每组零件,记录测量结果e)计算每组零件的测量平均值和极差,并予记录f)计算25组零件的总平均值和平均极差g)计算均值图和极差图控制限h)绘制均值图和极差图i)计算初始过程能力(Ppk)j)出具初始能力研究报告4初始能力研究结果的处置4.1Ppk规定值时(1.67),该过程具有满足要求的能力,可以按规定的控制方法进行生产。4.2Ppk规定值时(1.67),该过程没有满足要求的能力,应分析原因,采取措施后进行生产。当分析结果证明不是过程能力不足时,应再次进行研究。Xbar-R控控制制图图零零件件名名称称:工工序序名名称称USL3.00UCLX2.79UCLR1.709估估计计值值0.35零零件件图图号号:设设备备LSL1.50LCLX1.86LCLR0.00CPK0.65控控制制特特性性:操操作作者者公公差差中中心心2.25Xbar2.33Rbar0.81CPCP0.72时间12.302.002.002.502.003.102.002.002.002.202.002.002.002.202.002.602.002.503.002.002.002.202.302.302.5022.002.002.502.001.902.001.502.502.802.202.502.401.902.202.102.202.303.002.502.402.602.802.702.002.2032.103.002.002.003.002.003.002.003.002.003.002.003.002.001.902.002.002.002.302.002.702.002.502.202.4042.502.502.302.402.602.302.502.202.302.402.702.502.302.602.802.202.302.402.502.602.202.302.402.802.3052.002.002.002.602.003.002.003.002.003.002.003.002.002.302.502.602.402.502.302.102.202.202.302.302.50均值2.182.302.162.302.302.482.202.342.422.362.442.382.242.262.262.322.202.482.522.222.342.302.442.322.38极差0.501.000.500.601.101.101.501.001.001.001.001.001.100.600.900.600.401.000.700.600.700.800.400.800.30均均值值图图极极差差图图123456789101112131415161718192021222324251.01.31.61.92.22.52.83.13.4123456789101112131415161718192021222324250.00.30.60.91.21.51.82.12.42.7UCLX2.792.792.792.792.792.792.792.792.792.792.792.792.792.792.792.792.792.792.792.792.792.792.792.792.79LCLX1.861.861.861.861.861.861.861.861.861.861.861.861.861.861.861.861.861.861.861.861.861.861.861.861.86Xbar2.332.332.332.332.332.332.332.332.332.332.332.332.332.332.332.332.332.332.332.332.332.332.332.332.33UCLR1.711.711.711.711.711.711.711.711.711.711.711.711.711.711.711.711.711.711.711.711.711.711.711.711.71LCLR0.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.00Rbar0.810.810.810.810.810.810.810.810.810.810.810.810.810.810.810.810.810.810.810.810.810.810.810.810.81123456789101112131415161718192021222324250.00.30.60.91.21.51.82.12.42.7重重庆庆华华孚孚初初始始能能力力研研究究报报告告零零件件名名称称零零件件图图号号控控制制特特性性Pp1.30USL19.95分分布布中中心心 19.8480.0320Ppk1.06LSL19.7公公差差中中心心19.825偏偏差差0.02样样本本数数据据19.740019.820019.840019.860019.860019.840019.860019.860019.840019.860019.860019.840019.860019.900019.920019.840019.840019.880019.920019.900019.860019.860019.840019.840019.860019.840019.860019.920019.900019.840019.900019.840019.860019.860019.800019.820019.860019.840019.840019.840019.820019.920019.860019.860019.860019.860019.780019.800019.820019.840019.860019.840019.840019.860019.840019.880019.840019.820019.880019.900019.780019.840019.800019.840019.860019.860019.840019.860019.840019.860019.840019.860019.820019.840019.860019.840019.800019.800019.820019.840019.780019.840019.800019.860019.860019.860019.860019.840019.800019.820019.900019.840019.860019.860019.800019.820019.860019.840019.840019.840019.820019.920019.860019.860019.860019.860019.780019.800019.820019.840019.840019.860019.840019.840019.860019.900019.880019.920019.860019.840019.820019.860019.840019.880019.920019.840019.860019.840019.820019.8000警警告告!性性能能指指数数PpkPpk不不满满足足规规定定要要求求!2023/9/27重重庆庆华华孚孚设设备备能能力力研研究究报报告告设设备备名名称称设设备备编编号号零零件件名名称称零零件件图图号号0.0321控控制制特特性性USL20.0020.00分分布布中中心心 19.853Cmk1.15偏偏差差0.05LSL19.60公公差差中中心心 19.800Cm1.56样样本本数数据据 19.740019.820019.840019.860019.860019.840019.860019.860019.840019.860019.860019.840019.860019.900019.920019.840019.840019.880019.920019.900019.860019.860019.840019.840019.860019.840019.860019.920019.900019.840019.860019.840019.840019.860019.840019.880019.840019.820019.880019.900019.860019.840019.860019.900019.920019.840019.840019.880019.920019.900019.860019.860019.840019.840019.860019.840019.860019.920019.900019.840019.780019.840019.860019.900019.860019.860019.860019.840019.820019.840019.780019.840019.800019.840019.860019.860019.840019.860019.840019.860019.840019.860019.820019.840019.860019.840019.800019.800019.820019.840019.900019.840019.860019.860019.800019.820019.860019.840019.840019.840019.820019.920019.860019.860019.860019.860019.780019.800019.820019.840019.840019.860019.840019.840019.860019.900019.880019.920019.860019.840019.820019.860019.840019.880019.920019.840019.860019.840019.820019.8000警警告告!设设备备能能力力不不满满足足要要求求!2023/9/27重重庆庆华华孚孚单单向向公公差差只只有有上上限限只只有有下下限限Cmk1.1471.9692023/9/27贵贵州州精精忠忠XbarR 控控制制图图零零件件名名称称:O O型型圈圈(小小径径)USL3.58PPK1.81CP1.82零零件件图图号号:283.5LSL3.42分分布布中中心心3.501偏偏差差0.00控控制制特特性性:3.50.08估估计计值值0.016519 公公差差中中心心3.500取取样样时时间间组组号号样样本本1 1样样本本2 2样样本本3 3样样本本4 4样样本本5 5平平均均值值极极差差8:001 13.51003.51003.52003.49003.53003.5120.040X-Bar:3.5018:052 23.53003.51003.53003.49003.48003.5080.050Sigma:0.01468:103 33.52003.53003.49003.50003.51003.5100.040R-Bar:0.03448:154 43.50003.49003.49003.50003.49003.4940.0108:205 53.51003.51003.49003.48003.49003.4960.0308:256 63.51003.52003.51003.49003.53003.5120.040USL:3.588:307 73.47003.50003.48003.48003.51003.4880.040LSL:3.428:358 83.48003.49003.50003.47003.51003.4900.0408:409 93.48003.49003.49003.48003.49003.4860.0108:4510103.49003.51003.52003.51003.51003.5080.030X-bar8:5011113.53003.50003.49003.52003.51003.5100.040UCL3.5218:5512123.49003.49003.49003.48003.48003.4860.010LCL3.4819:0013133.51003.48003.48003.51003.47003.4900.0409:0514143.49003.49003.52003.48003.51003.4980.0409:1015153.53003.51003.53003.47003.49003.5060.060R-bar9:0516163.53003.49003.47003.53003.49003.5020.060UCL0.0739:1017173.49003.49003.49003.51003.51003.4980.020LCL09:1518183.53003.51003.51003.49003.49003.5060.0409:2019193.51003.53003.49003.49003.49003.5020.040WARNINGS9;2520203.49003.48003.49003.53003.53003.5040.0509:3021213.52003.51003.51003.49003.51003.5080.0309:3522223.51003.50003.49003.51003.49003.5000.0209:4023233.49003.49003.52003.52003.51003.5060.0309:4524243.49003.49003.49003.49003.51003.4940.020WARNINGS9:5025253.51003.52003.49003.51003.49003.5040.030均值图123456789101112131415161718192021222324253.463.473.483.493.53.513.523.53UCLLCLMean平均值极差图1234567891011121314151617181920212223242500.010.020.030.040.050.060.070.08UCLMean极差
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