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編 號 無錫太湖學院 畢 業(yè) 設 計 論 文 相 關 資 料 題目 塑料帶輪模流分析及模具設計 信 機 系 機 械 工 程 及 自 動 化 專 業(yè) 學 號 0923263 學生姓名 曹 振 指導教師 高漢華 職稱 副教授 職稱 2013 年 5 月 25 日 目 錄 一 畢業(yè)設計 論文 開題報告 二 畢業(yè)設計 論文 外文資料翻譯及原文 三 學生 畢業(yè)論文 論文 計劃 進度 檢查及落實表 四 實習鑒定表 無錫太湖學院 畢 業(yè) 設 計 論 文 開 題 報 告 題目 塑料帶輪模流分析及模具設計 信 機 系 機 械 工 程 及 自 動 化 專 業(yè) 學 號 0923263 學生姓名 曹 振 指導教師 高漢華 職稱 副教授 職稱 2012 年 11 月 12 日 課題來源 生產(chǎn)實際 科學依據(jù) 包括課題的科學意義 國內外研究概況 水平和發(fā)展趨勢 應 用前景等 1 課題科學意義 本課題為塑料帶輪模流分析及設計 模具作為一種高附加值和技術密集型產(chǎn)品 其技術水平的高低已經(jīng)是衡量一個國家制作業(yè)水平高低的重要標志之一 而本題的研 究將涉及一些二維及三維軟件軟件的應用 如 AutoCad 等 以及相關軟件的應用 在 獨立思考 獨立工作能力方面獲得培養(yǎng)和提高 隨著塑料制品在機械 電子 交通 國防 農業(yè) 等各個行業(yè)廣泛應用 對塑料模具的需求日益增加 塑料模在國民經(jīng)濟 中的重要性也日益突出 同時本次畢業(yè)設計還設計模流分析及數(shù)控加工 因此通過本 次設計將對我所學的知識鞏固及靈活運用所學知識來解決解決實際問題有著深遠的意 義 2 塑料模研究狀況及其發(fā)展前景 我國的模具工業(yè)發(fā)展得比較晚 20 世紀 80 年代以前 模具工業(yè)基礎差 技術設 備落后 管理水平低 但隨著改革開放的不斷深入 經(jīng)濟建設的高速發(fā)展 直至今天 模具產(chǎn)產(chǎn)品不斷向著復雜 精密 高效 長壽方向發(fā)展 模具工業(yè)逐漸成為技術密集 設備先進 管理科學的行業(yè) 近年來 我們對各種設備和用品輕量化要求越來越高 這就為塑料制品提供了廣 闊的市場 塑料制品要發(fā)展 必然要求塑料模具隨之發(fā)展 塑料制品主要用戶行業(yè)近年 來都高位運行 發(fā)展迅速 塑料模也快速發(fā)展 塑料模具的發(fā)展是隨著塑料工業(yè)的發(fā)展 而發(fā)展的 塑料模具以 21 的平均增長率遞增 用模具生產(chǎn)制件所具備的高精度 高 生產(chǎn)率和低消耗 是其他加工制造方法所不能比擬的 在生產(chǎn)手段上 模具企業(yè)設備數(shù)控化率已有較大提高 CAD CAE CAM 技術的應 用面大為擴大 高速加工及 RP RT 等先進技術的采用已越來越多 模具標準件使用覆 蓋率及模具商品化率都已有較大幅度的提高 熱流道模具的比例也有較大提高 三資 企業(yè)的蓬勃發(fā)展進一步促進了塑料模具設計制造水平及企業(yè)管理水平的提高 研究內容 分析零件工藝用途及結構 掌握注塑模具的原理 了解注塑模具的各種結構以及各自的特點 掌握注塑模具上各個部分的作用 對于注塑模具設計 能夠掌握模具中各個部分的設計原則以及合理分析各因素對 設計的影響 擬采取的研究方法 技術路線 實驗方案及可行性分析 在畢業(yè)實習調研以及查閱有關資料的基礎上 結合零件的外形及加工要求 可以 先分析本課題的裝配圖以及各部分零件圖 然后通過工性分析 分別進行成型部分的 設計 澆注系統(tǒng)的設計 導向機構的設計 推出機構的設計 排氣系統(tǒng)的設計等等 最后設計出來的制件還要通過相應的檢驗 研究計劃及預期成果 研究計劃 2012 年 11 月 12 日 2012 年 12 月 2 日 按照任務書要求查閱論文相關參考資料 填寫 畢業(yè)設計開題報告書 2012 年 12 月 3 日 2013 年 2 月 6 日 填寫畢業(yè)實習報告 2013 年 3 月 8 日 2013 年 3 月 14 日 按照要求修改畢業(yè)設計開題報告 2013 年 3 月 15 日 2013 年 3 月 21 日 學習并翻譯一篇與畢業(yè)設計相關的英文材料 2013 年 3 月 22 日 2013 年 4 月 11 日 查閱相關資料 初步設計模具結構 2013 年 4 月 12 日 2013 年 5 月 3 日 繪制模具裝配圖及零件圖 2013 年 5 月 6 日 2013 年 5 月 25 日 畢業(yè)論文撰寫和修改工作 預期成果 在設計過程中通過對資料文獻的收集 調研了解大量的關于塑料性能 精密模具 設計及應用 模具設計的相關知識 并熟悉整個模具設計過程 同時在設計過程中 更熟練的掌握 proe 軟件的使用 完成成型方案的選擇 制品零件圖造型設計及澆口位 置設置模擬分析 分型面的設計等工作 完成模具成型部分及澆注系統(tǒng)設計 完成模 具冷卻系統(tǒng)及模架的設計工作 特色或創(chuàng)新之處 本模具設計采用 Pro E3 0 EMX4 1 CAD 軟件來完成塑料帶輪注射模具設計 快 速而準確 已具備的條件和尚需解決的問題 實驗方案思路明確 研究方法確立 需加強關于注塑設計各方面的知識 指導教師意見 指導教師簽名 年 月 日 教研室 學科組 研究所 意見 教研室主任簽名 年 月 日 系意見 主管領導簽名 年 月 日 Die history 1 Die position in industrial production Mold is a high volume products with the shape tool is the main process of industrial production equipment With mold components with high efficiency good quality low cost saving energy and raw materials and a series of advantages with the mold workpieces possess high accuracy high complexity high consistency high productivity and low consumption other manufacturing methods can not match Have already become an important means of industrial production and technological development The basis of the modern industrial economy The development of modern industrial and technological level depends largely on the level of industrial development die so die industry to national economic and social development will play an increasing role March 1989 the State Council promulgated on the current industrial policy decision points in the mold as the machinery industry transformation sequence of the first production and capital construction of the second sequence after the large scale power generation equipment and the corresponding power transmission equipment establish tooling industry in an important position in the national economy Since 1997 they have to mold and its processing technology and equipment included in the current national focus on encouraging the development of industries products and technologies catalog and to encourage foreign investment industry directory Approved by the State Council from 1997 to 2000 more than 80 professional mold factory owned 70 VAT refund of preferential policies to support mold industry All these have fully demonstrated the development of the State Council and state departments tooling industry attention and support Mold around the world about the current annual output of 60 billion U S dollars Japan the United States and other industrialized countries die of industrial output value of more than machine tool industry beginning in 1997 China s industrial output value has exceeded the mold machine tool industry output According to statistics home appliances toys and other light industries nearly 90 of the parts are integrated with production of chopsticks in aircraft automobiles agricultural machinery and radio industries the proportion exceeded 60 Such as aircraft manufacturing the use of a certain type of fighter dies more than 30 000 units of which the host 8000 sets 2000 sets of engines auxiliary 20 000 sets From the output of view since the 80 s the United States Japan and other industrialized countries die industry output value has exceeded the machine tool industry and there are still rising Production technology according to the International Association predicts that in 2000 the product best pieces of rough 75 50 will be finished mold completed metals plastics ceramics rubber building materials and other industrial products most of the mold will be completed in more than 50 metal plates more than 80 of all plastic products especially through the mold into 2 The historical development of mold The emergence of mold can be traced back thousands of years ago pottery and bronze foundry but the large scale use is with the rise of modern industry and developed The 19th century with the arms industry gun s shell watch industry radio industry dies are widely used After World War II with the rapid development of world economy it became a mass production of household appliances automobiles electronic equipment cameras watches and other parts the best way From a global perspective when the United States in the forefront of stamping technology many die of advanced technologies such as simple mold high efficiency mold die and stamping the high life automation mostly originated in the United States and Switzerland fine blanking cold in Germany extrusion technology plastic processing of the Soviet Union are at the world advanced 50 s mold industry focus is based on subscriber demand production can meet the product requirements of the mold Multi die design rule of thumb reference has been drawing and perceptual knowledge on the design of mold parts of a lack of real understanding of function From 1955 to 1965 is the pressure processing of exploration and development of the times the main components of the mold and the stress state of the function of a mathematical sub bridge and to continue to apply to on site practical knowledge to make stamping technology in all aspects of a leap in development The result is summarized mold design principles and makes the pressure machine stamping materials processing methods plum with a structure mold materials mold manufacturing method the field of automation devices a new look to the practical direction of advance so that pressing processing apparatus capable of producing quality products from the first stage Into the 70 s to high speed launch technology precision security development of the second stage Continue to emerge in this process a variety of high efficiency business life high precision multi functional automatic school to help with Represented by the number of working places as much as other progressive die and dozens of multi station transfer station module On this basis has developed both a continuous pressing station there are more slide forming station of the press bending machine In the meantime the Japanese stand to the world s largest the mold into the micron level precision die life alloy tool steel mold has reached tens of millions of times carbide steel mold to each of hundreds of millions of times p minutes for stamping the number of small presses usually 200 to 300 up to 1200 times to 1500 times In the meantime in order to meet product updates quickly with the short duration such as cars modified refurbished toys etc need a variety of economic type mold such as zinc alloy die down polyurethane rubber mold die steel skin also has been very great development From the mid 70s so far can be said that computer aided design supporting the continuous development of manufacturing technology of the times With the precision and complexity of mold rising accelerating the production cycle the mold industry the quality of equipment and personnel are required to improve Rely on common processing equipment their experience and skills can not meet the needs of mold Since the 90 s mechanical and electronic technologies in close connection with the development of NC machine tools such as CNC wire cutting machine CNC EDM CNC milling CNC coordinate grinding machine and so on The use of computer automatic programming control CNC machine tools to improve the efficiency in the use and scope In recent years has developed a computer to time sharing by the way a group of direct management and control of CNC machine tools NNC system With the development of computer technology computers have gradually into the mold in all areas including design manufacturing and management International Association for the Study of production forecasts to 2000 as a means of links between design and manufacturing drawings will lose its primary role Automatic Design of die most fundamental point is to establish the mold standard and design standards To get rid of the people of the past and practical experience to judge the composition of the design center we must take past experiences and ways of thinking for series numerical value the number of type based as the design criteria to the computer store Components are dry because of mold constitutes a million other differences to come up with a can adapt to various parts of the design software almost impossible But some products do not change the shape of parts mold structure has certain rules can be summed up for the automatic design of software If a Japanese company s CDM system for progressive die design and manufacturing including the importation of parts of the figure rough start strip layout determine the size and standard templates assembly drawing and parts the output NC program for CNC machining Center and line cutting program etc used in 20 of the time by hand reduce their working hours to 35 hours from Japan in the early 80s will be three dimensional cad cam system for automotive panel die Currently the physical parts scanning input map lines and data input geometric form display graphics annotations and the data is automatically programmed resulting in effective control machine tool control system of post processing documents have reached a high level computer Simulation CAE technology has made some achievements At high levels CAD CAM CAE integration that data is integrated can transmit information directly with each other Achieve network Present Only a few foreign manufacturers can do it 3 China s mold industry and its development trend Die in 1997 only 78 million U S dollars export mold At present the technological level of China Die in the application of CAE design and analysis of mold calculation it was just started most of the game is still in trial stages and animation in the application of CAM technology manufacturing molds first the lack of advanced manufacturing equipment and second the existing process equipment including the last 10 years the introduction of advanced equipment or computer standard IBM PC and compatibles HP workstations etc different or because of differences in bytes processing speed differences differences in resistance to electromagnetic interference networking is low only about 5 of the mold manufacturing equipment of recent work in this task in the application process planning CAPP technology basically a blank state based on the need for a lot of standardization work in the mold common technology such as mold rapid prototyping technology polishing electroforming technologies surface treatment technology aspects of CAD CAM technology in China has just started Computer aided technology software development is still at low level the accumulation of knowledge and experience required Most of our mold factory mold processing equipment shop old long in the length of civilian service accuracy low efficiency still use the ordinary forging turning milling planing drilling grinding and processing equipment mold heat treatment is still in use salt bath box type furnace operating with the experience of workers poorly equipped high energy consumption Renewal of equipment is slow technological innovation technological progress is not much intensity Although in recent years introduced many advanced mold processing equipment but are too scattered or not complete only about 25 utilization equipment some of the advanced functions are not given full play Lack of technology of high quality mold design manufacturing technology and skilled workers especially the lack of knowledge and breadth knowledge structure high levels of compound talents China s mold industry and technical personnel only 8 of employees 12 and the technical personnel and skilled workers and lower the overall skill level Before 1980 practitioners of technical personnel and skilled workers the aging of knowledge knowledge structure can not meet the current needs and staff employed after 80 years expertise experience lack of hands on ability not ease do not want to learn technology In recent years the brain drain caused by personnel not only decrease the quantity and quality levels and personnel structure of the emergence of new faults lean make mold design manufacturing difficult to raise the technical level 3 3 mold industry supporting materials standard parts of present condition Over the past 10 years especially the Eighth Five Year the State organization of the ministries have repeatedly Material Research Institute universities and steel enterprises research and development of special series of die steel molds and other mold specific carbide special tools auxiliary materials and some promotion However due to the quality is not stable enough the lack of the necessary test conditions and test data specifications and varieties less large molds and special mold steel and specifications are required for the gap In the steel supply settlement amount and sporadic users of mass produced steel supply and demand contradiction yet to be effectively addressed In addition in recent years have foreign steel mold set up sales outlets in China but poor channels technical services support the weak and prices are high foreign exchange settlement system and other factors promote the use of much current Mold supporting materials and special techniques in recent years despite the popularization and application but failed to mature production technology most still also in the exploratory stage tests such as die coating technology surface treatment technology mold mold guide lubrication technology Die sensing technology and lubrication technology mold to stress technology mold and other anti fatigue and anti corrosion technology productivity has not yet fully formed towards commercialization Some key important technologies also lack the protection of intellectual property China s mold standard parts production the formation of the early 80s only small scale production standardization and standard mold parts using the coverage of about 20 from the market can be assigned to is just about 30 varieties and limited to small and medium size Standard punch hot runner components and other supplies just the beginning mold and parts production and supply channels for poor poor accuracy and quality 3 4 Die products factory mold factory or workshop in order to supply the product works as the main tasks needed to die die funded enterprises branch the organizational model and professional mold factory is similar to small but the main township mold business and professional mold factory is similar Of which the largest number of first class mold production accounts for about 70 of total output China s mold industry decentralized management system There are 19 major industry sectors manufacture and use of mold there is no unified management of the department Only by China Die Beijing Beihang Haier Software Ltd CAXA Series software Jilin Gold Grid Engineering Research Center of the stamping die mold CAD CAE CAM systems 2 mold design analysis and manufacture of three dimensional Two dimensional mold of traditional structural design can no longer meet modern technical requirements of production and integration Mold design analysis manufacturing three dimensional technology paperless software required to mold a new generation of three dimensional intuitive sense to design the mold using three dimensional digital model can be easily used in the product structure of CAE analysis tooling manufacturability evaluation and CNC machining forming process simulation and information management and sharing Such as Pro ENGINEER UG and CATIA software such as with parametric feature based all relevant characteristics so that mold concurrent engineering possible In addition Cimatran company Moldexpert Delcam s Ps mold and Hitachi Shipbuilding of Space E mold are professional injection mold 3D design software interactive 3D cavity core design mold base design configuration and typical structure Australian company Moldflow realistic three dimensional flow simulation software MoldflowAdvisers been widely praised by users and applications China Huazhong University of Science have developed similar software HSC3D4 5F and Zhengzhou University Z mold software For manufacturing knowledge based intelligent software function is a measure of die important sign of advanced and practical one Such as injection molding experts Cimatron s software can automatically generate parting direction based parting line and parting surface generate products corresponding to the core and cavity implementation of all relevant parts mold and for automatically generated BOM Form NC drilling process and can intelligently process parameter setting calibration and other processing results 3 mold software applications networking trend With the mold in the enterprise competition cooperation production and management globalization internationalization and the rapid development of computer hardware and software technology the Internet has made in the mold industry virtual design agile manufacturing technology both necessary and possible The United States in its 21st Century Manufacturing Enterprise Strategy that the auto industry by 2006 to achieve agile manufacturing virtual engineering solutions to automotive development cycle shortened from 40 months to 4 months 4 2 mold testing processing equipment to the precise efficient and multi direction 1 mold testing equipment more sophisticated efficient Sophisticated complex large scale mold development testing equipment have become increasingly demanding Precision Mould precision now reached 2 3 m more domestic manufacturers have to use Italy the United States Japan and other countries in the high precision coordinate measuring machine and with digital scanning Such as Dongfeng Motor Mould Factory not only has the capacity 3250mm 3250mm Italian coordinate measuring machine also has a digital photography optical scanner the first in the domestic use of digital photography optical scanning as a means of spatial three dimensional access to information enabling the establishment from the measurement of physical model output of engineering drawings the whole process of mold making reverse engineering a successful technology development and applications This equipment include second generation British Renishaw high speed scanners CYCLON SERIES2 can be realized and contact laser probe complementary probe laser scanner accuracy of 0 05mm scanning probe contact accuracy of 0 02 mm Another German company GOM ATOS portable scanners Japan Roland s PIX 30 PIX 4 desktop scanner and the United Kingdom Taylor Hopson s TALYSCAN150 multi sensor respectively Three dimensional scanner with high speed low cost and