【正文】
客戶需求和工廠能力,提供可靠的客戶訂單交期。 ?生產(chǎn)規(guī)劃視產(chǎn)能為決策變數(shù);主生產(chǎn)排程則視產(chǎn)能為限制條件 。 ATP出現(xiàn)在 MPS報(bào)表中的第一期及有在途訂單或計(jì)劃訂單的時(shí)段 。最終產(chǎn)品通常包含標(biāo)準(zhǔn)項(xiàng)目和針對顧客需求特別設(shè)計(jì)的項(xiàng)目。 ? MPS 根據(jù)客戶需求預(yù)測; FAS根據(jù)實(shí)際客戶訂單。 MPS的責(zé)任 ? 需求預(yù)測是行銷部門的責(zé)任,產(chǎn)品排程則由製造部門負(fù)責(zé)。 ?善用粗略產(chǎn)能規(guī)劃 (RCCP)協(xié)助主生產(chǎn)排程員建立一個(gè)合乎實(shí)際的 MPS。 ? 財(cái)務(wù)部門負(fù)責(zé)提供資金、估算存貨、及提供決策所需成本資料。 ? 追蹤 MPS階層產(chǎn)品安全庫存的使用、分析 MPS項(xiàng)目生產(chǎn)數(shù)量和 FAS消耗數(shù)量之間的差異、將所有的改變資料輸入 MPS檔案,以維護(hù) MPS。 MPS Approaches MTO ATO MTS Approach Control point MPS unit Backlog FAS Forecast Cust orders Options End items Product level End prod. End to Intrm. End prod. Cust order promising High requirement Low requirement Forecast accuracy Low requirement High requirement Use of Planning Bill Yes Yes No Cope with design and process uncertainty High need Low need Bases of delivery Make to CO on time Make to CO on time Make to repl. Order or cust calloff schl. MPS Item Selection based on Manufacturing Strategy Make to Stock Assemble to Order Make to Order Number of Finished Products Number of Subassemblies Number of Raw Materials Typical Level for MPS MPS, FAS, BOM MTS ATO MTO FAS FAS MPS MPS/ FAS MPS MPS/FAS: Build finished items to forecast MPS: Build ponents and subassemblies FAS: Final assembly of exact configurations FAS: Build only to customer orders 最終組裝排程 (FAS) ? FAS在接到客戶訂單後才安排, 考慮到材料及產(chǎn)能限制。