Question: Solve by hand and using design tools A manual assembly line is being planned to produce a small consumer appliance. The work elements, element times,

Solve by hand and using design tools A manual

Solve by hand and using design tools

A manual assembly line is being planned to produce a small consumer appliance. The work elements, element times, and precedence constraints are indicated in the table below. The workers will work for 420 min/shift and must produce 350 units/day. Manning level is 1.0, and repositioning time is 0.1 min. (a) Use the ranked positional weights method to solve the line balancing problem. (b) For your line balancing solution, compute the balancing efficiency. T. (min) Work element Immediate predecessors Te (min) Work element Immediate predecessors 1 0.4 8 0.15 4 2 0.5 1 9 0.41 5 3 0.2 1 10 0.2 6,7 4 0.6 11 0.3 8 5 0.25 2. 6 0.3 3 7 0.37 4

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