本文關(guān)鍵詞： 推土機 制造物流 生產(chǎn)線平衡 仿真　出處：《上海工程技術(shù)大學》2015年碩士論文　論文類型：學位論文

【摘要】：推土機作為一種工程車輛,在道路工程、水利工程、環(huán)保工程等建設(shè)中起著不可或缺的作用。隨著“十二五”計劃的出臺,工程機械迎來了前所未有的發(fā)展機遇,但我國推土機生產(chǎn)制造技術(shù)明顯落后于發(fā)達國家,由于推土機生產(chǎn)具有加工要求高、難度大、生產(chǎn)周期長、投資大等特點,這些特點為企業(yè)優(yōu)化生產(chǎn)系統(tǒng)帶來了很大的困難。計算機仿真可以大大縮短開發(fā)時間、節(jié)約成本,采用仿真技術(shù)對生產(chǎn)線進行規(guī)劃設(shè)計成為推土機制造企業(yè)的優(yōu)先選擇的手段。生產(chǎn)線仿真技術(shù)是目前制造業(yè)廣泛采用的先進技術(shù)之一,它以計算機仿真技術(shù)為基礎(chǔ),通過軟件中的模型模擬現(xiàn)實中的生產(chǎn)制造過程,實現(xiàn)對生產(chǎn)系統(tǒng)運行狀況的預(yù)測,從而發(fā)現(xiàn)生產(chǎn)過程中的瓶頸問題,幫助決策者發(fā)現(xiàn)問題、解決問題,實現(xiàn)生產(chǎn)效率的提高。本文首先闡述了制造物流系統(tǒng)的定義以及離散事件系統(tǒng)仿真的相關(guān)理論知識,同時介紹了本文所涉及的樂龍物流仿真軟件Ra LC;其次,對生產(chǎn)線基本概念和生產(chǎn)線平衡的重要性進行了詳細的研究,列舉了制造業(yè)制造物流系統(tǒng)幾種常見的評價指標;第三,詳細地分析了企業(yè)新廠的總體規(guī)劃和推土機聯(lián)合車間制造物流系統(tǒng)要求及相關(guān)信息;第四,結(jié)合生產(chǎn)線工藝流程,利用Ra LC建立推土機聯(lián)合車間制造物流系統(tǒng)的仿真分析模型;最后,基于生產(chǎn)線平衡理論,對模型進行仿真分析,確定生產(chǎn)系統(tǒng)中的瓶頸問題,利用現(xiàn)代物流技術(shù)和先進的物流手段,提出優(yōu)化措施,將優(yōu)化措施納入仿真模型中重新分析,驗證優(yōu)化措施的可行性。本文通過設(shè)計一個應(yīng)用現(xiàn)代物流方式的制造物流系統(tǒng),旨在滿足企業(yè)新廠效率高、成本低和安全性高的目的,具有一定的實際意義和理論價值。
[Abstract]:As a kind of engineering vehicle, bulldozer plays an indispensable role in the construction of road engineering, water conservancy project, environmental protection project and so on. With the introduction of the 12th Five-Year Plan, construction machinery has ushered in unprecedented opportunities for development. However, the production and manufacturing technology of bulldozer in our country lags behind that in developed countries obviously. Because of the characteristics of bulldozer production with high processing requirements, great difficulty, long production cycle and large investment, etc. These characteristics bring great difficulties to the optimization of production system. Computer simulation can greatly shorten the development time and save the cost. Planning and design of production line by simulation technology has become the first choice means for bulldozer manufacturing enterprises. Production line simulation technology is one of the advanced technologies widely used in manufacturing industry at present, and it is based on computer simulation technology. The model in the software simulates the production manufacturing process in reality, realizes the forecast to the production system running condition, thus discovers the bottleneck problem in the production process, helps the decision maker to discover the problem, solves the problem. In this paper, the definition of manufacturing logistics system and the relevant theoretical knowledge of discrete event system simulation are introduced. At the same time, the Lulong logistics simulation software Ra LC. which is involved in this paper, is introduced. The basic concept of production line and the importance of production line balance are studied in detail, and several common evaluation indexes of manufacturing logistics system are listed. The general plan of the new factory and the requirements and relevant information of the manufacturing logistics system in the bulldozer joint workshop are analyzed in detail. 4th, the simulation analysis model of the manufacturing logistics system of the bulldozer joint workshop is established by using Ra LC combined with the production line process. Finally, based on the balance theory of production line, the model is simulated and analyzed, the bottleneck problem in production system is determined, the optimization measures are put forward by using modern logistics technology and advanced logistics means, and the optimization measures are reanalyzed in the simulation model. To verify the feasibility of optimization measures, this paper designs a manufacturing logistics system using modern logistics mode, which aims to meet the purpose of high efficiency, low cost and high safety of new plant, which has certain practical and theoretical value.
【學位授予單位】：上海工程技術(shù)大學
【學位級別】：碩士
【學位授予年份】：2015
【分類號】：TU623.5;TU605

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