Xbar-S管制图范例
2023-06-07
来源：乌哈旅游
華 魁 顧 問品名料號管制項目測量單位月/日####批號1標準差S0.45X群組數n自定管制界限15上限USL總組數N中心值CL14下限LSL111.38- S 管 制 圖計算管制界限螺絲8143-A長度CM1-21-31-41-5規格標準值上限USL18.0中心值CL14.0下限LSL10.01-61-71-8X圖S圖上限USL中心值CL下限LSL16171819202122X圖13.16612.35911.55223241-91-101-111-121-131-141-151-161-171-181-191-201-211-221-231-24TR-302S圖製造部門製一部管制圖編號SS413抽驗方法4PCS/hr1.607機別1.023操作者林志忠抽驗者林千鈴2000年12月21日~2000年12月31日0.438期限1-251-261-271-281-291-30合計2526272829X=#####30Σ A3=0.78920.4530.8840.7951.2061.0171.5081.4490.44101.63121.11130.80141.2315ΣS =14.31606B3=0.428總平均值X13.0011.9011.4112.5711.8912.1712.3112.2812.7312.3512.6112.6312.6712.50不良原因分析B4=1.572★X UCL = +A3SX★X CL= X★X UCL = -A3SX◎SUCL =B4S◎SCL = S◎SLCL =B3 S總平均值X12.359平均標準差S1.02320X相對次數表組中值上限UCL 中心值CL下限LCL總平均值X13.5013.0012.5012.0011.5011.0012345678910111213X管制圖151000.10.220.3(n-1)=0.40.5規格上限規格中心規格下限14151617181920212223242526272829302.001.501.000.500.001234567891011121314S管制圖1.1321Cp=T6S=1.17779K=Ca=2(X-m)T=-41.0%Cpk=Cp×(1-K)=0.69S=S上限UCL S中心值CL標準差SS下限LCL å(X-X)21.510.50S相對次數表相對次數管制上限管制下限管制中心1516171819202122232425262728293000.050.10.150.20.25問題說明及原因追查數 據 值批 號12345612345678910111213141516171819202122232425262728293012121313.11212.311.210.110.110.110.110.11113.113.113.113.113.113.112.411.310.213.410.111.111.111.113.112.511.410.413.310.111.411.111.213.110.910.912.913.110.912.611.510.613.210.111.711.111.313.112.711.610.813.113.112.811.711139.89.812.813.19.81213.113.113.113.113.113.113.113.1121112131312.315.114.913.116.416.413.41313.7樣 本 n7891011121314151617181920212223242512.911.811.212.912.912.615.114.913.114.61311.911.412.812.812.812.812.812.812.812.813.11211.612.712.81312.812.8131412.812.814151112.814.313.212.111.812.612.613.212.612.612.612.612.812.612.612.613.312.21212.512.613.412.612.412.212.412.810.91112.813141313.412.312.212.412.613.612.612.211.81113.413.512.412.412.312.312.312.312.312.312.312.311.112.312.313.612.512.612.211.812.312.312.312.312.312.311.211.211.613.712.612.812.111.410.7109.312.31112.312.312.312.3總平均值X1311.911.412.611.912.212.312.312.712.412.612.612.712.50.450.450.880.791.201.011.501.440.441.631.381.110.801.23標準差S