Question: The average part produced in a certain batch manufacturing plant must be processed through an average six processes. Twenty (20) new batches of parts are
The average part produced in a certain batch manufacturing plant must be processed through an average six processes. Twenty (20) new batches of parts are launched each week. Average operation time = 6 min, average setup time = 5hr, average batch size = 25 parts, and average non-operation time per batch = 10hr/ machine. There are 18 machines in the plant. The plant operates an average of 70 production hours per week. Scrap rate is negligible. Determine: (a) manufacturing lead time for an average part, (b) plant capacity, (c) plant utilisation. (d) How would you expect the non-operation time to be affected by the plant utilization?
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