Question: Consider an assembly line where the target cycle time is 80 minutes and the following tasks must be performed. Processing Time (min) Immediate Predecessors Task

Consider an assembly line where the target cycle

Consider an assembly line where the target cycle time is 80 minutes and the following tasks must be performed. Processing Time (min) Immediate Predecessors Task a 25 b a 15 7 C a d 40 50 e f 30 g h 15 65 b d c, d b, c e, g h f i, j k 25 i j k 50 40 25 a a) Draw the precedence diagram for these tasks, make a list of all predecessors and all successors for each task and calculate the lower bound on the number of workstations necessary in the line. b) Use the COMSOAL procedure to generate ONE assignment of workstations, break times by selecting the job with SPT. c) Use the Ranked Positional Weight heuristic to find a good assignment of tasks to workstations. d) For your solutions to (b)-(c) calculate the Smoothness Index and Balance Delay

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