rule Exact order size Planned order releases Lead Time Net requirements Gross

Rule exact order size planned order releases lead

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rule= Exact order size Planned-order releases ; Lead Time Net requirements = Gross requirements - Projected Available ONHAND Net requirements = Gross requirements - Projected Available ONHAND Gross requirements= Total expected demand Scheduled receipts= Open orders scheduled to arrive Projected Available= Expected inventory on hand at the beginning of each time period Gross requirements= Total expected demand Scheduled receipts = Open orders scheduled to arrive Projected Available= Expected inventory on hand at the beginning of each time period Page 656 Example MRP Lot-for-Lot (LFL) ordering = Net requirements ~ Planned-order receipts 100 150 100 150 4 8 100 100 150 LT =1 week 100 150 150 3 7 200 200 200 200 1 LT =2 week 400 70 70 70 70 400-70 1 LT =1 week 0 0
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8 Planned-order receipts ; Lot size rule= Exact order size Planned-order releases ; Lead Time Net requirements = Gross requirements - Projected Available ON HAND Net requirements = Gross requirements - Projected Available ON HAND Gross requirements= Total expected demand Scheduled receipts= Open orders scheduled to arrive Projected Available= Expected inventory on hand at the beginning of each time period Gross requirements= Total expected demand Scheduled receipts = Open orders scheduled to arrive Projected Available= Expected inventory on hand at the beginning of each time period Page 656 Example MRP Fixed Lot size LFL LFL Q=320 Q=320 Q= 70 Q= 70 Shutter Q=LFL Shutter Q=LFL Frame Q = 320 Frame Q = 320 Wood Q =70 Wood Q =70 320 – 200=120 120 300-120=180 320-180=140 70*5 =350 350-330=20 20 600-20=580 70*9=630 320
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9 No. 4/682 Scheduled receipt Lot size On hand Lead time
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  • Spring '12
  • CharoenR.
  • Management, Harshad number, Net requirements

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