從優(yōu)化生產(chǎn)中的物流活動提高生產(chǎn)體系-文庫吧資料
2024-10-25 03:44本頁面
【正文】 assembly line at the time needed in the amounts needed. 舉例說明: 在生產(chǎn)成品鞋的時候:制鞋所必需的部件(鞋幫和鞋底)要準時,準量,準型號地到達制造車間.,?,If we achieve JIT: 如果我們做到準時,準量生產(chǎn):,Unnecessary inventories will be eliminated. 不必要的庫存就會消除 Stores and warehouses will not be needed. 儲存區(qū)和倉庫也可以取消 Material carrying costs will be diminished. 資材搬運成本降低,?,However….,To rely solely on a central planning approach that instructs the production schedules to all processes simultaneously is not likely to result in a JIT process for all operations. 但是：單純地依賴計劃生產(chǎn)的方法,使所有工序同步生產(chǎn)，并不能完全實現(xiàn)所有環(huán)節(jié)的準時，準量生產(chǎn).,?,Weekly Schedule每周生產(chǎn)計劃,Typically, one control operation receives the customers’ orders and disseminates schedules. 通常，生產(chǎn)控制部門接受客戶定單，然后制訂并傳達計劃.,Production Control 生產(chǎn)控制,?,Weekly Schedule每周生產(chǎn)計劃,Production Control 生產(chǎn)控制,The problem comes when a change is made either because the order changes or equipment breaks down. 但是當定單有變化或設備出現(xiàn)問題的時候，就會發(fā)生一些問題：,庫存,庫存,庫存,庫存,?,The result is excess inventory… 結(jié)果是導致過多的庫存…,…within the plant as WorkInProcess …在本車間工序內(nèi)積壓過多的庫存 …suppliers sending in parts that are not needed …上一道工序發(fā)來的并不需要的部件,?,Additionally另外,We need extra floor space to store the material. 我們需要額外的空間來堆放材料 Need expeditors to satisfy the changes in schedule. 需要人力和時間投入來改變生產(chǎn)計劃 Run overtime to make up parts that we now need. 用加班時間來生產(chǎn)現(xiàn)在所需部件,?,Toyota rethought how to communicate schedules. 豐田公司對調(diào)整生產(chǎn)計劃做了改進:,Toyota discovered a different way to manage their schedule, 豐田使用不同的方法來制訂調(diào)整生產(chǎn)計劃 They stopped trying to guess what the customer will want. 他們并不去猜想客戶的需求,?,Instead相反,Each department had installed a small inventory of each product. 每個車間都保持少量的庫存 Downstream processes come to the supplying departments and take what it needs. 下一道工序到上一道工序去取他們所需部件 This allows the processes upstream to simply replace what was taken. 這樣,上一工序只要補充被取走的部件即可.,?,The Toyota Production System TPS豐田體系….,Is likely to be the most studied and discussed operations program in the world. 是極可能被全世界研究和討論的體系 Numerous books and papers have been written about TPS. 出版了很多關于TPS的書籍和其它資料 Many have come to characterize TPS as “l(fā)ean production” or NOS. 許多人認為豐田體系(TPS)實際上就代表優(yōu)化生產(chǎn)或NOS,?,Lean Manufacturing (NOS) NOS優(yōu)化生產(chǎn),Regardless of any author’s opinion or rational, all agree that the foun
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