A manufacturing company produces two products X and Y. Each product X requires one A and two Bs. Each B requires one C and one D. Each product Y requires 1 C and 4Ds. Table Q5A shows data from the inventory records of components. Table Q5A Data category A B C D Lot - sizing rule Fixed order quantity = 250 Lot for lot Lot for lot Fixed order quantity = 1000 Lead time 3 weeks 2 weeks 1 week 2 weeks Beginning inventory 70 0 200 800 The MPS for products X and Y is given in Table Q5B. The on-hand inventories are as follows: X = 100, Y = 30. The only scheduled receipts are 250 units of X in period 2.The lead times are as follows: X = 2 weeks, Y = 3 weeks. The chase strategy is used for both products. Table Q5B Demand in period Product SS 1 2 3 4 5 6 7 8 X 50 300 200 250 Y 30 400 Required: a) Draw a product structure tree for each product. b) Develop the MRP for items X, Y, A, B, C, and Din order to meet the demand. Use the MRP format showing the following; Gross requirements, Net requirements and Planned order releases.
A manufacturing company produces two products X and Y. Each product X requires one A and two Bs. Each B requires one C and one D. Each product Y requires 1 C and 4Ds. Table Q5A shows data from the inventory records of components.
Table Q5A
Data category | ||||
A | B | C | D | |
Lot - sizing rule | Fixed order quantity = 250 | Lot for lot | Lot for lot | Fixed order quantity = 1000 |
Lead time | 3 weeks | 2 weeks | 1 week | 2 weeks |
Beginning inventory | 70 | 0 | 200 | 800 |
The MPS for products X and Y is given in Table Q5B. The on-hand inventories are as follows: X = 100, Y = 30. The only
Table Q5B
Demand in period
Product | SS | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
X | 50 | 300 | 200 | 250 | |||||
Y | 30 | 400 |
Required:
a) Draw a product structure tree for each product.
b) Develop the MRP for items X, Y, A, B, C, and Din order to meet the demand. Use the MRP format showing the following; Gross requirements, Net requirements and Planned order releases.
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