初始过程能力研究

零件号：XXXXX零件名称:XXXXXXXXXX机器编号：工序：XXXXX供应商：XXXX部门：XXXX工程规范数据采集时间XXXX-XXXX最 大最 小USL=LSL=6.755.25 样本容量XXXX/频率：特性: 6+/-0.75过程能力指数要求： PPK≥1.67 测 量 数 据 序号时间 X1 X2 X3 X4 X512345678910111213141516171819202122232425n 45 6.106.146.105.965.865.876.236.205.985.866.006.005.865.906.245.956.146.165.886.185.906.245.956.146.166.016.096.076.006.045.986.096.106.105.986.055,935,985.876.236.205.985.866.006.005.866.106.205.965.8614 计 算 X6.0706.1546.1205.9086.0626.0706.0526.1136.1126.0765.9586.0696.1105.9846.1646.0786.1206.0805.9706.1265.9786.1186.1405.9746.062151.667 R0.1700.1700.2500.2200.3500.2600.2800.2200.2600.3700.2900.1400.3800.3300.2600.3600.2500.3400.3500.2600.3400.2300.2800.3600.3507.070备注6,126.075.985,886.006.095.955.986.016.096.075.906.245.956.146.165.886.185.906.245.956.096.106.105.88d26.176.246.235.786.216.206.016.176.246.235.785.876.236.205.985.866.006.005.866.236.206.156.235.786.216.006.236.225.896.206.215.985,976.236.225.896.016.116.006.236.225.896.206.215.985,976.016.225.896.20 总 计 平 均A2D2.2822.115$=Rd2=0.121s 0.7290.5770.4850.429s$S=0.135X6.067R0.283X$=ZUSL=USL-Xs() XX 控 制 图6.2306.067R 控 制 图UCL=D5R=0.598CL=R=0.283$=5.630ZUSL=USL-Xs$=6.728ZLSL=X- LSLs'$S=5.059ZUsl=USL-Xs())UCL=X+AR2=(Zmin='Zmin=5.630CL=X=非随机图形 判 断RLCL=X-AR2=5.903XLCL不予考虑'ZULSL)$=(X- LSL)s(S=6.0465.059落在控制限三分之一的中间区域的点百分比落在控制限三分之一的中间区域的点百分比0.6000.880CPK=1.877PPK=1.686Xͼ6.36.26.165.95.85.7UCLCLLCLUCCLL12345678910111213141516171819202122232425R¼Í0.70.60.50.40.3 0.20.1012345678910111213141516171819202122232425X没超出控制上限的点。X评图没超出控制下限的点。没有“链”存在。没有明显的非随机图形。R价图没超出控制上限的点。没有“链”存在。没有明显的非随机图形。能力指数过剩，考虑是否降低成本。能力指数 PPK:1、如果Ppk< 1.67, 则应提交纠正措施计划 和包含100%检验的控制计划。2、如果Ppk≥1.67，符合要求。

数据分析者(签名)： 日期 审批者(签名)： 日期

UCLCLLCL

6.2306.0675.9036.2306.0675.9036.2306.0675.9036.2306.0675.9036.2306.0675.9036.2306.0675.9036.2306.0675.9036.2306.0675.9036.2306.0675.9036.2306.0675.9036.2306.0675.9036.2306.0675.9036.2306.0675.9036.2306.0675.9036.2306.0675.9036.2306.0675.9036.2306.0675.9036.2306.0675.9036.2306.0675.9036.2306.0675.9036.2306.0675.9036.2306.0675.9036.2306.0675.9036.2306.0675.9036.230

6.067

5.903

0.5980.2830.5980.2830.5980.2830.5980.2830.5980.2830.5980.2830.5980.2830.5980.2830.5980.2830.5980.2830.5980.2830.5980.2830.5980.2830.5980.2830.5980.2830.5980.2830.5980.2830.5980.2830.5980.2830.5980.2830.5980.2830.5980.2830.5980.2830.5980.2830.598

0.283

Cp2.05969