從優(yōu)化生產(chǎn)中的物流活動(dòng)提高生產(chǎn)體系(存儲(chǔ)版)
【正文】 ot likely to result in a JIT process for all operations. 但是：?jiǎn)渭兊匾蕾?lài)計(jì)劃生產(chǎn)的方法,使所有工序同步生產(chǎn)，并不能完全實(shí)現(xiàn)所有環(huán)節(jié)的準(zhǔn)時(shí)，準(zhǔn)量生產(chǎn).,?,Weekly Schedule每周生產(chǎn)計(jì)劃,Typically, one control operation receives the customers’ orders and disseminates schedules. 通常，生產(chǎn)控制部門(mén)接受客戶(hù)定單，然后制訂并傳達(dá)計(jì)劃.,Production Control 生產(chǎn)控制,?,Weekly Schedule每周生產(chǎn)計(jì)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(dāng)定單有變化或設(shè)備出現(xiàn)問(wèn)題的時(shí)候，就會(huì)發(fā)生一些問(wèn)題：,庫(kù)存,庫(kù)存,庫(kù)存,庫(kù)存,?,The result is excess inventory… 結(jié)果是導(dǎo)致過(guò)多的庫(kù)存…,…within the plant as WorkInProcess …在本車(chē)間工序內(nèi)積壓過(guò)多的庫(kù)存 …suppliers sending in parts that are not needed …上一道工序發(fā)來(lái)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(lái)堆放材料 Need expeditors to satisfy the changes in schedule. 需要人力和時(shí)間投入來(lái)改變生產(chǎn)計(jì)劃 Run overtime to make up parts that we now need. 用加班時(shí)間來(lái)生產(chǎn)現(xiàn)在所需部件,?,Toyota rethought how to communicate schedules. 豐田公司對(duì)調(diào)整生產(chǎn)計(jì)劃做了改進(jìn):,Toyota discovered a different way to manage their schedule, 豐田使用不同的方法來(lái)制訂調(diào)整生產(chǎn)計(jì)劃 They stopped trying to guess what the customer will want. 他們并不去猜想客戶(hù)的需求,?,Instead相反,Each department had installed a small inventory of each product. 每個(gè)車(chē)間都保持少量的庫(kù)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(bǔ)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(guān)于TPS的書(shū)籍和其它資料 Many have come to characterize TPS as “l(fā)ean production” or NOS. 許多人認(rèn)為豐田體系(TPS)實(shí)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 foundation of lean manufacturing (NOS) is the continual pursuit to eliminate waste. 盡管大家的觀點(diǎn)有些不一樣,但所有人都認(rèn)為NOS的基礎(chǔ)是持續(xù)不斷地減少浪費(fèi) Waste is defined as anything that consumes resources or time, but does not add value to the product. 浪費(fèi)是任何耗費(fèi)資源或時(shí)間,但不增加產(chǎn)品價(jià)值的活動(dòng),?,Excess Inventory is Waste 多余的庫(kù)存是一種浪費(fèi),Excess inventory hides problems 多余的庫(kù)存會(huì)隱藏一些問(wèn)題,Poor Scheduling 計(jì)劃不力,Machine Breakdown 設(shè)備停機(jī),Quality Problems 質(zhì)量問(wèn)題,Line Imbalance 線內(nèi)不平衡,Long Set Up Time 過(guò)長(zhǎng)調(diào)整時(shí)
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