全球運營管理課件newgom3-factorylayout(update)-資料下載頁
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【正文】 ent? 19 T h e o r e t i c a l M i n . N u m b e r o f Wo r k s t a t i o n s , NN = S u m o f t a s k t i m e s ( T )C y c l e t i m e ( C )ttN = 1 1 . 3 5 m i n s / u n i t4 . 2 m i n s / u n i t = 2 . 7 0 2 , o r 3tWhy should we always round up? 20 169。The McGrawHill Companies, Inc., 1998 Irwin/McGrawHill 20 21 Some Rules We’ll Follow for Loading Workstations ?Primary: Assign tasks in order of the largest number of following tasks. ?Secondary (tiebreaking): Assign tasks in order of the longest operating time 21 A C B D E F G H 2 1 .5 1 1 Station 1 Station 2 Station 3 Task Followers Time (Mins) A 6 2 C 4 D 3 B 2 1 E 2 F 1 1 G 1 1 H 0 23 169。The McGrawHill Companies, Inc., 1998 Irwin/McGrawHill 22 33 Efficiency of the Assembly Line E f f i c i e n c y = S u m o f t a s k t i m e s ( T )A c t u a l n u m b e r o f w o r k s t a t i o n s ( N a ) x C y c l e t i m e ( C )E f f i c i e n c y = 1 1 . 3 5 m i n s / u n i t( 3 ) ( 4 . 2 m i n s / u n i t ) =. 901
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