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反映過程的精確度也反映其準確度 . spe_maxspe_min 6?Cp=spe_maxmean 3? meanspe_min 3?或Cpk=ConfidentialSCMC Producer Forum 16基本操作ConfidentialSCMC Producer Forum 17先選中數(shù)據(jù)欄整個空白欄點擊 “Display Chart”查看該日的 SPC控制圖點擊此按紐將生成空白欄,以輸入新的數(shù)據(jù)ConfidentialSCMC Producer Forum 18Individual Observation Chart一 .樣本點的觀察控制圖ConfidentialSCMC Producer Forum 19上、下規(guī)格線樣本平均值目標值樣本數(shù)據(jù)點上、下控制線ConfidentialSCMC Producer Forum 20數(shù)據(jù)點超出上下控制線ConfidentialSCMC Producer Forum 21連續(xù) 7個或以上數(shù)據(jù)在中心線上方或下方ConfidentialSCMC Producer Forum 22數(shù)據(jù)呈固定形式變化ConfidentialSCMC Producer Forum 23較多數(shù)據(jù)點接近上下控制線ConfidentialSCMC Producer Forum 24樣品點的水平突變ConfidentialSCMC Producer Forum 25樣品點分布的水平位置漸變ConfidentialSCMC Producer Forum 26樣品點的離散度較大ConfidentialSCMC Producer Forum 27制程失控制程失去控制時的特征: 7個或以上數(shù)據(jù)在中心線上方或下方ConfidentialSCMC Producer Forum 28Moving Range Chart二 . 移動偏差圖ConfidentialSCMC Producer Forum 29Line 1 Qoo PET