Transcription of SPC管制圖介紹 - chimei.org.tw
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SPC管制圖介紹 - chimei.org.tw
SPC SPC a. (Shewhart) 1924 b. 1940 SPC SPC 1950~1980 c. 1950 ( Deming) SPC 30 SPC (Control Chart) (Centerline, CL) (Upper Control Limit,UCL) (Lower Control Limit,LCL) normal distribution Gauss Karl F. Gauss 1777-1855 Gaussian distribution 3 6 100(1- ) 3, UCL = LCL = (CL)= (UCL)= + 3 (LCL)= -3 ( ) P CHART nP CHART C CHART u CHART -1 IQIP -2 2-3 2-3 (1) (2) (3) (4)
管制圖(Control Chart) 圖中分別標岴屒中尚線(Centerline, CL)管制上界 (Upper Control Limit,UCL)和管制下界(Lower Control Limit,LCL)
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