【正文】 270N e t R e q u i re me n t s Pl a nW e e k2/1/2023 41 1 2 3 4 5 6 7 8W h e e l s G ro ss re q u i re me n t s 150 120 150 120S ch e d u l e d re ce i p t s 200P ro j e ct e d o n h a n d | 3 0P l a n n e d o rd e r re ce i p t sP l a n n e d o rd e r re l e a se sN e t R e q u i re me n t s P l a nW e e kMore plexity/Scheduled receipts Explanation: Gross requirements are the total demand for wheels. Projected onhand inventory in week 1 is 30 + 200 – 150 2/1/2023 42 1 2 3 4 5 6 7 8W h e e l s G ro ss re q u i re me n t s 150 120 150 120S ch e d u l e d re ce i p t s 200P ro j e ct e d o n h a n d | 3 0 80P l a n n e d o rd e r re ce i p t sP l a n n e d o rd e r re l e a se sN e t R e q u i re me n t s P l a nW e e kMore plexity/Scheduled receipts Projected onhand inventory balance at end of week t Inventory on hand at end of week t 1 Gross requirements in week t Scheduled or planned receipts in week t = + – 2/1/2023 43 More plexity/Scheduled receipts 1 2 3 4 5 6 7 8 Wheels Gross requirements 150 120 150 120 Scheduled receipts 200 Projected onhand | 30 80 80 80 Planned order receipts Planned order releases Net Requirements Plan Week 2/1/2023 44 Lead time = 1 week 1 2 3 4 5 6 7 8 Wheels Gross requirements 150 120 150 120 Scheduled receipts 200 Projected onhand | 30 80 80 80 Planned order receipts Planned order releases Net Requirements Plan Week LotSizing Rules: L4L L4L order the amount needed to fulfill requirements 2/1/2023 45 LotSizing Rules: L4L Lead Time = 1 week 1 2 3 4 5 6 7 8 Wheels Gross requirements 150 120 150 120 Scheduled receipts 200 Projected onhand | 30 80 80 80 Planned order receipts 40 Planned order releases 40 Net Requirements Plan Week 2/1/2023 46 LotSizing Rules: L4L Lead Time = 1 week 1 2 3 4 5 6 7 8 Wheels Gross requirements 150 120 150 120 Scheduled receipts 200 Projected onhand | 30 80 80 80 0 0 0 Planned order receipts 40 150 Planned order releases 40 150 Net Requirements Plan Week 2/1/2023 47 Lead Time = 1 week 1 2 3 4 5 6 7 8 Wheels Gross requirements 150 120 150 120 Scheduled receipts 200 Projected onhand | 30 80 80 80 0 0 0 0 Planned order receipts 40 150 120 Planned order releases 40 150 120 Net Requirements Plan Week LotSizing Rules: L4L 2/1/2023 48 LotSizing Rules: EOQ EOQ order the EOQ yearunitswkunitsD /3510/)120230120230( ?????? 11652100)3510(22* ???HDSQ yearunitweekunitHS //52$//1$100$ ???Lead time = 1 week 1 2 3 4 5 6 7 8 Wheels Gross requirements 150 120 150 120 Scheduled receipts 200 Projected onhand | 30 80 80 80 Planned order receipts Planned order releases Net Requirements Plan Week 2/1/2023 49 Lead time = 1 week 1 2 3 4 5 6 7 8 Wheels Gross requirements 150 120 150 120 Scheduled receipts 200 Projected onhand | 30 80 80 80 Planned order receipts 116 Planned order releases 116 Net Requirements Plan Week LotSizing Rules: EOQ EOQ order the EOQ 2/1/2023 50 LotSizing Rules: EOQ EOQ order the EOQ 80+116120 = 76 Lead time = 1 week 1 2 3 4 5 6 7 8 Wheels Gross requirements 150 120 150 120 Scheduled receipts 200 Projected onhand | 30 80 80 80 76 76 Planned order receipts 116 Planned order releases 116 Net Requirements Plan Week 2/1/2023 51 Lead time = 1 week 1 2 3 4 5 6 7 8 Wheels Gross requirements 150 120 150 120 Scheduled receipts 200 Projected onhand | 30 80 80 80 76 76 Planned order receipts 116 116 Planned order releases 116 116 Net Requirements Plan Week LotSizing Rules: EOQ EOQ order the EOQ 2/1/2023 52 Lead time = 1 week 1 2 3 4 5 6 7 8 Wheels Gross requirements 150 120 150 120 Scheduled receipts 200 Projected onhand | 30 80 80 80 76 76 42 Planned order receipts 116 116 116 Planned order releases 116 116 116 Net Requirements Plan Week LotSizing Rules: EOQ EOQ order the EOQ 2/1/2023 53 LotSizing Rules: EOQ EOQ order the EOQ Lead time = 1 week 1 2 3 4 5 6 7 8 Wheels Gross requirements 150 120 150 120 Scheduled receipts 200 Projected onhand | 30 80 80 80 76 76 42 38 38 Planned order receipts 116 116 116 Planned order releases 116 116 116 Net Requirements Plan Week 2/1/2023 54 物料需求計(jì)算 (逐級(jí)展開(kāi) ) X A (1) C (2) O (1) C 20 10 10 A 10 10 O 提前期 =2 提前期 =1 提前期 =1 批量 =40 批量 =1 批量 =1 X 提前期 =1 批量 =1 時(shí) 段 計(jì)劃投入量 計(jì)劃產(chǎn)出量 1 2 3 4 5 6 7 8 9 10 11 12 現(xiàn)有量 =0 時(shí) 段 計(jì)劃投入量 計(jì)劃產(chǎn)出量 1 2 3 4 5 6 7 8 9 10 11 12 現(xiàn)有量 =0 現(xiàn)有量 =0 時(shí) 段 計(jì)劃投入量 計(jì)劃產(chǎn)出量 1 2 3 4 5 6 7 8 9 10 11 12 計(jì)劃接收量 現(xiàn)有量 =50 時(shí) 段 計(jì)劃投入量