A manufacturing facility makes a product, the manufacturing process for which co

Question

A manufacturing facility makes a product, the manufacturing process for which consists of tasks A,. , H and requires that these be completed in an order that obeys a set of precedence requirements. The following table gives the performance time in minutes/unit and the preceding task(s) for tasks A, , H. Performance Time (minutes/unit) Preceding as Task n/a n/a A, B E, F The facility operates 7 hours/shift, 3 shifts per day, 5 days a week. If each task is assigned to its own work station, what is the throughput, i e. the number of units that can be manufactured per week? Answer: 787.5 The correct answer is: 900

Explanation / Answer

Solution :

Since every task is assigned to own work station, Cycle time is equal to time for longest task.

Cycle Time = 7 min

Capacity = Total time available / Cycle Time = 7 hours * 60 minutes * 3 shifts * 5 days / 7 = 7*60*3*5/7 = 900 units

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