GROUP QUESTION 9.23.xlsx

# GROUP QUESTION 9.23.xlsx - of working per hour 1 of...

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# of working per hour 1 # of units/day 60 Cycle Time 60 or cycle time: N 5 1/60 = .016667 * 3600 = 60 seconds Efficiency 0.91333333 Longest Operating Time Rule - calcula Task Predecessor Station A 40 - 1 a a B 30 a 2 b, c b C 50 a 2 c,d,e e D 40 b 3 c,d c E 6 b 4 d,f,g d F 25 c 4 f,g,h g G 15 c 5 f,h f H 20 d,e 5 h,i h I 18 f,g 6 i,j i J 30 h,i 6 j j 274 Improved cycle time of 55 seconds Station 1 a a 2 b, c b 2 c,d,e e 3 c,d c 4 d,f,g d 4 f,g,h g 5 f,h f 5 h,i h 6 i,j i 6 j j Time (seconds) Eligible task(s) Assigned Task Eligible task(s) Assigned Task

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a. 5 b. Table c. 6 d. 274/6*55 = 83% ated cycle time 60 seconds 60 Task Time Idle Time Station 40 40 20 1 60 a a 30 30 30 2 60 b, c c 6 36 24 3 60 b, f, g b 50 50 10 3 30 d, e, f, g f 40 40 20 4 60 d, e, g
• Fall '13
• Casey
• Harshad number, Cycle Time, Longest Operating Time Rule

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