Conufsed by this. To start with, is the asnwer correct? I think #9 is 3 not 30.

Question

Conufsed by this. To start with, is the asnwer correct? I think #9 is 3 not 30. Anwyay, i'm not sure how to get thoes numbers in the day of cycle. Please help.

Chegg Quesiton:

Chegg answer:

The FGH Company assembles nine products, working eight hours/day, 250 days/year. All products are assembled in batches of 120 units, on a line with capacity of 360 units per hour. The forecasted demands per year for the nine products are as follows Product Forecast 180,000 2 150,000 3 120,000 4 120,000 90,000 30,000 7 15,000 7,500 750 Develop a level minimum batch (120 units) scheduling cycle for the assembly line at FGH

Explanation / Answer

Please consider the following calculations to appreciate how they have determined the day of a cycle and yes! #9 should indeed be 3.

For the last 3 products, we cannot produce all on the same day because that will exceed the capacity of 24 batches (because we cannot take a fraction of a batch presumably). Instead, we will plan their production in a staggered manner as shown in the answer.

I have shown few more days to illustrate the staggering effect -

Product Forecast
(Annual) No. of batches required annually Batch required
per day Remarks FA FB = FA / 120 FB / 250 1 180000 1500 6 Produce 6 batches every day 2 150000 1250 5 Produce 5 batches every day 3 120000 1000 4 Produce 4 batches every day 4 120000 1000 4 Produce 4 batches every day 5 90000 750 3 Produce 3 batches every day 6 30000 250 1 Produce 1 batch every day 7 15000 125 0.5 Produce 1 batch every 2 days 8 7500 62.5 0.25 Produce 1 batch every 4 days 9 750 6.25 0.025 Produce 1 batch every 40 days Total No. of batches required per day 23.775 Capacity (batches per day) 360*8/120 = 24

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