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制造企業(yè)資源規(guī)劃管理篇1-展示頁

2025-02-18 13:18本頁面
  

【正文】 Com p o n e n t Q t y p er L T o f fs e tX A 1 1Y A 1 0A B 2 0A B 2 1A C 1 0A D 3 0A D 3 1A E 1 0 t i m e 1 2 3 4 5 6 7 8 9 10 11 12X 1Y 1Arrival/Departure Schedule (MPS) Remark: Aircraft is scheduled to arrive at the beginning of time 1, and depart at the beginning of time 12. The arrival and departure marshaling have to be on time 1 and 11, respectively. (unit=30min) Service Requirement Planning t i m e 1 2 3 4 5 6 7 8 9 10 11 12Re q. 1Sch l 1X t i m e 1 2 3 4 5 6 7 8 9 10 11 12Re q. 1Sc h l 1A Service Requirement Planning T i m e 1 2 3 4 5 6 7 8 9 10 11 12Req. 1Sch l . 1Y T i m e 1 2 3 4 5 6 7 8 9 10 11 12Re q. 1 1Sch l . 1 1A Remark: The aircraft departs at the beginning of period 12, so the marshaling has to be pleted in period 11. T i m e 1 2 3 4 5 6 7 8 9 10 11 12Req. 4 Sch l . 2 2 T i m e 1 2 3 4 5 6 7 8 9 10 11 12Req. 1Sch l . 1A B T i m e 1 2 3 4 5 6 7 8 9 10 11 12Re q. 1 Sc h l . 1 C Service Requirement Planning T i m e 1 2 3 4 5 6 7 8 9 10 11 12Re q. 1 Sc h l . 1 T i m e 1 2 3 4 5 6 7 8 9 10 11 12Req. 1Sch l . 1A D Service Requirement Planning T i m e 1 2 3 4 5 6 7 8 9 10 11 12Req. 6 Sch l . 3 3 E Summarized Service Requirements T ime1 2 3 4 5 6 7 8 9 10 11 12A 1 1B 2 2C 1D 3 3E 1 Capacity/Load Balancing The system schedules all the flights in MSS, then use MRP procedure to calculate all the services required. The service requirements are scheduled by MRP at the latest start time (LST). The system also calculates the earliest start time (EST) schedule. Schedules are then adjusted between EST and LST to balance the loading and capacity. 精品 資 料網(wǎng) 第三章 再論材料需求規(guī)劃 MPS: 件號 ./需求量 /需求日期 單階 BOM展開,利用計劃訂單發(fā)出 (POR)計算各期子件的總需求 (GR)。 MRP輸入資料的「資料整合性自動檢查」包含了「存在測試」 。 獨立及依賴需求 有些材料同時具有獨立及依賴需求特性,如用來裝配成完成品的零件也可以維修零件銷售. 依賴需求零件的生產(chǎn)計畫要能達成獨立需求零件的生產(chǎn)計畫. MRP輸入資料 ? 主生產(chǎn)排程 (MPS): 完成品的生產(chǎn)預(yù)定量及時間. ? 材料表 (BOM): 做成一個父件的所有子件. ? 庫存狀態(tài):在庫量 (onhand), 在途量 (scheduled receipt), 保留量 (allocated). ? 材料主檔:件號,前置時間,安全存量,批量法則,最低階碼等. ? 工作曆:以時段 (time bucket)將連續(xù)的時間分成斷續(xù)的時間,有以週為單位的 (0099)也有以日為單位的 (000999).
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