Using the following operations and elemental times (in minutes), develop a set o

Question

Using the following operations and elemental times (in minutes), develop a set of workstations that would most efficiently balance the production line and decrease the idle time. Management hopes to have 120 units produced per hour. What is the % idle time for your balanced line? _____ What was the % idle time for the unbalanced line? _____ What was the production rate on the unbalanced line? _____ What happens to the assembly line, production and idle time if the company loses one worker from the line?

Explanation / Answer

For the unbalanced line, the cycle time is set by elemental time 4 at 0.6 minutes.

corresponding idle times for rest elements are 1-0.3, 2- 0.2, 3-0.3, 4-0.2 total is 1.0 i.e 1.0/5/0.6= 33.33% idle time.

Production is 60/0.6 = 100 unit/hr

Cycle time is 60/120 = 0.5

Percent idle time is 0.4/5/0.5 = 16%

There is an improvement over the previous 33.33%

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