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編號(hào)
無(wú)錫太湖學(xué)院
畢業(yè)設(shè)計(jì)（論文）
相關(guān)資料
題目： 槽輪間歇回轉(zhuǎn)機(jī)構(gòu)的設(shè)計(jì)
信機(jī) 系 機(jī)械工程及自動(dòng)化專業(yè)
學(xué) 號(hào)： 0923143
學(xué)生姓名： 惠杭浩
指導(dǎo)教師： 唐正寧 （職稱：副教授 ）
（職稱： ）
2013年5月25日
目 錄
一、畢業(yè)設(shè)計(jì)（論文）開題報(bào)告
二、畢業(yè)設(shè)計(jì)（論文）外文資料翻譯
三、畢業(yè)設(shè)計(jì)（論文）周次進(jìn)度計(jì)劃、檢查落實(shí)表
四、實(shí)習(xí)鑒定表
無(wú)錫太湖學(xué)院
畢業(yè)設(shè)計(jì)（論文）
開題報(bào)告
題目： 槽輪間歇回轉(zhuǎn)機(jī)構(gòu)的設(shè)計(jì)
信機(jī) 系 機(jī)械工程及自動(dòng)化 專業(yè)
學(xué) 號(hào)： 0923143
學(xué)生姓名： 惠杭浩
指導(dǎo)教師： 唐正寧 （職稱：副教授 ）
（職稱： ）
2013年5月25日
課題來(lái)源
本課題來(lái)源于生產(chǎn)實(shí)際，按照公司的要求，完成槽輪間歇回轉(zhuǎn)機(jī)構(gòu)的設(shè)計(jì)，并能滿足生產(chǎn)實(shí)際的需求。
本課題緊密結(jié)合生產(chǎn)實(shí)際的課題，對(duì)學(xué)生了解和掌握槽輪間歇回轉(zhuǎn)機(jī)構(gòu)的工作原理及過(guò)程，提高工程設(shè)計(jì)和解決實(shí)際問(wèn)題的能力，具有很重要的意義。
科學(xué)依據(jù)（包括課題的科學(xué)意義；國(guó)內(nèi)外研究概況、水平和發(fā)展趨勢(shì)；應(yīng)用前景等）
1．該課題的科學(xué)意義
修正槽輪機(jī)構(gòu)是用于塑料顆粒物用塑料薄膜制袋充填封口后，將塑料袋進(jìn)行堆集的簡(jiǎn)式集裝入庫(kù)裝置中回轉(zhuǎn)柵板部件里的一個(gè)轉(zhuǎn)位機(jī)構(gòu)。它通過(guò)改變柱銷進(jìn)入或退出嚙合時(shí)的撞擊現(xiàn)象，即使其進(jìn)入或退出嚙合時(shí)瞬時(shí)角加速度等于零，而使槽輪機(jī)構(gòu)轉(zhuǎn)動(dòng)平穩(wěn)、能傳遞一定的動(dòng)力，擴(kuò)大其使用范圍。
2．槽輪機(jī)構(gòu)的研究狀況及其發(fā)展前景
槽輪機(jī)構(gòu)以結(jié)構(gòu)簡(jiǎn)單、工作較為可靠等特點(diǎn)，在自動(dòng)機(jī)械中被廣泛采用。但隨著現(xiàn)代機(jī)械運(yùn)轉(zhuǎn)速度和定位精度要求的不斷提高，傳統(tǒng)形式的直線槽輪機(jī)構(gòu)的固有缺陷日益明顯。因此，對(duì)直線槽輪機(jī)構(gòu)的改進(jìn)設(shè)計(jì)，引起了設(shè)計(jì)人員的關(guān)注和重視，出現(xiàn)了多種改進(jìn)形式。國(guó)內(nèi)外很多研究人員對(duì)槽輪機(jī)構(gòu)結(jié)構(gòu)分析和改進(jìn)設(shè)計(jì)，并對(duì)改進(jìn)后的機(jī)構(gòu)進(jìn)行了相關(guān)工作性能分析與研究，為設(shè)計(jì)制造高速高精度間歇機(jī)構(gòu)提供了理論依據(jù)。
研究?jī)?nèi)容
設(shè)計(jì)一種槽輪間歇回轉(zhuǎn)機(jī)構(gòu)，原理方案的功能實(shí)現(xiàn)，總體方案的設(shè)計(jì)，結(jié)構(gòu)形式，結(jié)構(gòu)參數(shù)，工作參數(shù)的設(shè)計(jì)。要求如下：
1. 閱讀外文資料，翻譯與所學(xué)專業(yè)或課題相關(guān)的外文文獻(xiàn)5000字左右，語(yǔ)句通順、流暢、準(zhǔn)確。
2．了解槽輪機(jī)構(gòu)的工作原理。
3．根據(jù)加工產(chǎn)品具體結(jié)構(gòu)和加工要求，擬定分析設(shè)備設(shè)計(jì)方案。
4．繪制整套零件圖，裝配圖，各零件的精度配合。
5. 用三維軟件進(jìn)行造型，畫出修正槽輪機(jī)構(gòu)的三維圖。
6. 撰寫論文，要求符合本科論文的格式要求，語(yǔ)言簡(jiǎn)潔、流暢、層次分明。整個(gè)畢業(yè)設(shè)計(jì)過(guò)程的技術(shù)工作要嚴(yán)謹(jǐn)、靈活、工作要有主動(dòng)性，計(jì)算方法、計(jì)算的程序、計(jì)算結(jié)果、結(jié)論要正確。
擬采取的研究方法、技術(shù)路線、實(shí)驗(yàn)方案及可行性分析
可行性分析：
通過(guò)各主要部分系統(tǒng)的確定，主要問(wèn)題可以解決。細(xì)節(jié)問(wèn)題也可以方便的處理，總的來(lái)說(shuō)，此方案的可行性沒(méi)有問(wèn)題。
研究計(jì)劃及預(yù)期成果
2012年11月12日-2012年12月25日：按照任務(wù)書要求查閱論文相關(guān)參考資料，填寫畢業(yè)設(shè)計(jì)開題報(bào)告書。
2013年1月11日-2013年3月5日：填寫畢業(yè)實(shí)習(xí)報(bào)告。
2013年3月8日-2013年3月14日：按照要求修改畢業(yè)設(shè)計(jì)開題報(bào)告。
2013年3月15日-2013年3月21日：學(xué)習(xí)并翻譯一篇與畢業(yè)設(shè)計(jì)相關(guān)的英文材料。
2013年3月22日-2013年4月11日：槽輪機(jī)構(gòu)的初步設(shè)計(jì)，總體結(jié)構(gòu)的設(shè)計(jì)，材料的選擇，各部件的參數(shù)設(shè)計(jì)；強(qiáng)度計(jì)算，分析驗(yàn)證,優(yōu)化設(shè)計(jì)。
2013年4月12日-2013年4月25日：完成二維圖和三維圖的繪制，完成三維總裝圖的動(dòng)態(tài)展示。
2013年4月26日-2013年5月25日：畢業(yè)論文撰寫和修改工作。
特色或創(chuàng)新之處
本槽輪機(jī)構(gòu)設(shè)計(jì)簡(jiǎn)單，加工方便，生產(chǎn)效率高且安全性高。
已具備的條件和尚需解決的問(wèn)題
1. ①已具備條件：
各類資料比較齊全，查閱方便；
槽輪機(jī)構(gòu)設(shè)計(jì)已有類似產(chǎn)品可供參考；
2. ②尚需解決的問(wèn)題：
學(xué)習(xí)用UG進(jìn)行三維運(yùn)動(dòng)仿真及有限元分析
指導(dǎo)教師意見
指導(dǎo)教師簽名：
年 月 日
教研室（學(xué)科組、研究所）意見
教研室主任簽名：
年 月 日
系意見
主管領(lǐng)導(dǎo)簽名：
年 月 日
無(wú)錫太湖學(xué)院
畢業(yè)設(shè)計(jì)（論文）外文資料翻譯
院（系）： 信機(jī)系
專 業(yè)： 機(jī)械工程及自動(dòng)化
班 級(jí)： 機(jī)械93
姓 名： 惠杭浩
學(xué) 號(hào)： 0923143
附 件：1.譯文；2.原文；3.評(píng)分表
2013年5月25日
Numerical control technology and equipping development trend and countermeasure
Equip the engineering level, level of determining the whole national economy of the modernized degree and modernized degree of industry, numerical control technology is it develop new developing new high-tech industry and most advanced industry to equip (such as information technology and his industry, biotechnology and his industry, aviation, spaceflight, etc. national defense industry) last technology and getting more basic most equipment. Marx has ever said "the differences of different economic times, do not lie in what is produced, and lie in how to produce, produce with some means of labor ". Manufacturing technology and equipping the most basic means of production that are that the mankind produced the activity, and numerical control technology is nowadays advanced manufacturing technology and equips the most central technology. Nowadays the manufacturing industry all around the world adopts numerical control technology extensively, in order to improve manufacturing capacity and level, improve the adaptive capacity and competitive power to the changeable market of the trends. In addition every industrially developed country in the world also classifies the technology and numerical control equipment of numerical control as the strategic materials of the country, not merely take the great measure to develop one's own numerical control technology and industry, and implement blockading and restrictive policy to our country in view of " high-grade, precision and advanced key technology of numerical control " and equipping. In a word, develop the advanced manufacturing technology taking numerical control technology as the core and already become every world developed country and accelerate economic development in a more cost-effective manner, important way to improve the overall national strength and national position.
Numerical control technology is the technology controlled to mechanical movement and working course with digital information, integrated products of electromechanics that the numerical control equipment is the new technology represented by numerical control technology forms to the manufacture industry of the tradition and infiltration of the new developing manufacturing industry, namely the so-called digitization is equipped, its technological range covers a lot of fields: (1)Mechanical manufacturing technology; (2)Information processing, processing, transmission technology; (3)Automatic control technology; (4)Servo drive technology; (5)Technology of the sensor; (6)Software engineering ,etc..
1 Development trend of a numerical control technology
The application of numerical control technology has not only brought the revolutionary change to manufacturing industry of the tradition, make the manufacturing industry become the industrialized symbol , and with the constant development of numerical control technology and enlargement of the application, the development of some important trades (IT , automobile , light industry , medical treatment ,etc. ) to the national economy and the people's livelihood of his plays a more and more important role, because the digitization that these trades needed to equip has already been the main trend of modern development. Numerical control technology in the world at present and equipping the development trend to see, there is the following several respect [1- ] in its main research focus.
1.1 A high-speed, high finish machining technology and new trend equipped
The efficiency, quality are subjavanufacturing technology. High-speed, high finish machining technology can raise the efficiency greatly , improve the quality and grade of the products, shorten production cycle and improve the market competitive power. Japan carries the technological research association first to classify it as one of the 5 great modern manufacturing technologies for this, learn (CIRP) to confirm it as the centre in the 21st century and study one of the directions in international production engineering.
In the field of car industry, produce one second when beat such as production of 300,000 / vehicle per year, and many variety process it is car that equip key problem that must be solved one of; In the fields of aviation and aerospace industry, spare parts of its processing are mostly the thin wall and thin muscle, rigidity is very bad, the material is aluminium or aluminium alloy, only in a situation that cut the speed and cut strength very small high, could process these muscles, walls. Adopt large-scale whole aluminium alloy method that blank " pay empty " make the wing recently, such large-scale parts as the fuselage ,etc. come to substitute a lot of parts to assemble through numerous rivet , screw and other connection way, make the intensity , rigidity and dependability of the component improved. All these, to processing and equipping the demand which has proposed high-speed, high precise and high flexibility.
According to EMO2001 exhibition situation, high-speed machining center is it give speed can reach 80m/min is even high , air transport competent speed can up to 100m/min to be about to enter. A lot of automobile factories in the world at present, including Shanghai General Motors Corporation of our country, have already adopted and substituted and made the lathe up with the production line part that the high-speed machining center makes up. HyperMach lathe of U.S.A. CINCINNATI Company enters to nearly biggest 60m/min of speed, it is 100m/min to be fast, the acceleration reaches 2g, the rotational speed of the main shaft has already reached 60 000r/min. Processing a thin wall of plane parts, spend 30min only, and same part general at a high speed milling machine process and take 3h, the ordinary milling machine is being processed to need 8h; The speed and acceleration of main shaft of dual main shaft lathes of Germany DMG Company are up to 120000r/mm and 1g.
In machining accuracy, the past 10 years, ordinary progression accuse of machining accuracy of lathe bring 5μm up to from 10μm already, accurate grades of machining center from 3～5μm, rise to 1～1.5μm, and ultraprecision machining accuracy is it enter nanometer grade to begin already (0.01μm).
In dependability, MTBF value of the foreign numerical control device has already reached above 6 000h, MTBF value of the servo system reaches above 30000h, demonstrate very high dependability .
In order to realize high-speed, high finish machining, if the part of function related to it is electric main shaft, straight line electrical machinery get fast development, the application is expanded further .
1.2 Link and process and compound to process the fast development of the lathe in 5 axes
Adopt 5 axles to link the processing of the three-dimensional curved surface part, can cut with the best geometry form of the cutter , not only highly polished, but also efficiency improves by a large margin . It is generally acknowledged, the efficiency of an 5 axle gear beds can equal 2 3 axle gear beds, is it wait for to use the cubic nitrogen boron the milling cutter of ultra hard material is milled and pared at a high speed while quenching the hard steel part, 5 axles link and process 3 constant axles to link and process and give play to higher benefit. Because such reasons as complicated that 5 axles link the numerical control system , host computer structure that but go over, it is several times higher that its price links the numerical control lathe than 3 axles , in addition the technological degree of difficulty of programming is relatively great, have restricted the development of 5 axle gear beds.
At present because of electric appearance of main shaft, is it realize 5 axle complex main shaft hair structure processed to link greatly simplify to make, it makes degree of difficulty and reducing by a large margin of the cost, the price disparity of the numerical control system shrinks. So promoted 5 axle gear beds of head of complex main shaft and compound to process the development of the lathe (process the lathe including 5).
At EMO2001 exhibition, new Japanese 5 of worker machine process lathe adopt complex main shaft hair, can realize the processing of 4 vertical planes and processing of the wanton angle, make 5 times process and 5 axles are processed and can be realized on the same lathe, can also realize the inclined plane and pour the processing of the hole of awls. Germany DMG Company exhibits the DMUVoution series machining center, but put and insert and put processing and 5 axles 5 times to link and process in once, can be controlled by CNC system or CAD/CAM is controlled directly or indirectly.
1.3 Become the main trend of systematic development of contemporary numerical control intelligently, openly, networkedly.
The numerical control equipment in the 21st century will be sure the intelligent system, the intelligent content includes all respects in the numerical control system: It is intelligent in order to pursue the efficiency of processing and process quality, control such as the self-adaptation of the processing course, the craft parameter is produced automatically; Join the convenient one in order to improve the performance of urging and use intelligently, if feedforward control , adaptive operation , electrical machinery of parameter , discern load select models , since exactly makes etc. automatically; The ones that simplified programming , simplified operating aspect are intelligent, for instance intelligent automatic programming , intelligent man-machine interface ,etc.; There are content of intelligence diagnose , intelligent monitoring , diagnosis convenient to be systematic and maintaining ,etc..
Produce the existing problem for the industrialization of solving the traditional numerical control system sealing and numerical control application software. A lot of countries carry on research to the open numerical control system at present, such as NGC of U.S.A. (The Next Generation Work-Station/Machine Control), OSACA of European Community (Open System Architecture for Control within Automation Systems), OSEC (Open System Environment for Controller) of Japan, ONC (Open Numerical Control System) of China, etc.. The numerical control system melts to become the future way of the numerical control system open. The so-called open numerical control system is the development of the numerical control system can be on unified operation platform, face the lathe producer and end user, through changing, increasing or cutting out the structure target(numerical control function), form the serration, and can use users specially conveniently and the technical know-how is integrated in the control system, realize the open numerical control system of different variety , different grade fast, form leading brand products with distinct distinction. System structure norm of the open numerical control system at present, communication norm , disposing norm , operation platform , numerical control systematic function storehouse and numerical control systematic function software development ,etc. are the core of present research.
The networked numerical control equipment is a new light spot of the fair of the internationally famous lathe in the past two years. Meeting production line , manufacture system , demand for the information integration of manufacturing company networkedly greatly of numerical control equipment, realize new manufacture mode such as quick make , fictitious enterprise , basic Entrance that the whole world make too. Some domestic and international famous numerical control lathes and systematic manufacturing companies of numerical control have all introduced relevant new concepts and protons of a machine in the past two years, if in EMO2001 exhibition, " Cyber Production Center " that the company exhibits of mountain rugged campstool gram in Japan (Mazak) (intellectual central production control unit, abbreviated as CPC); The lathe company of Japanese big Wei (Okuma ) exhibits " IT plaza " (the information technology square , is abbreviated as IT square ); Open Manufacturing Environment that the company exhibits of German Siemens (Siemens ) (open the manufacturing environment, abbreviated as OME),etc., have reflected numerical control machine tooling to the development trend of networked direction.
1.4 Pay attention to the new technical standard, normal setting-up
1.4.1 Design the norm of developing about the numerical control system
As noted previously, there are better common ability, flexibility, adaptability, expanding in the open numerical control system, such countries as U.S.A. ,European Community and Japan ,etc. implement the strategic development plan one after another , carry on the research and formulation of the systematic norm (OMAC , OSACA , OSEC ) of numerical control of the open system structure, 3 biggest economies in the world have carried on the formulation that nearly the same science planned and standardized in a short time, have indicated a new arrival of period of change of numerical control technology. Our country started the research and formulation of standardizing the frame of ONC numerical control system of China too in 2000.
1.4.2 About the numerical control standard
The numerical control standard is a kind of trend of information-based development of manufacturing industry. Information exchange among 50 years after numerical control technology was born was all because of ISO6983 standard, namely adopt G, M code describes how processes, its essential characteristic faces the processing course, obviously, he can't meet high-speed development of modern numerical control technology's needs more and more already. For this reason, studying and making a kind of new CNC system standard ISO14649 (STEP-NC) in the world, its purpose is to offer a kind of neutral mechanism not depending on the concrete system, can describe the unified data model in cycle of whole life of the products, thus realize the whole manufacture process, standardization of and even each industrial field product information.
The appearance of STEP-NC may be a revolution of the technological field of the numerical control, on the development and even the whole manufacturing industry of numerical control technology, will exert a far-reaching influence. First of all, STEP-NC puts forward a kind of brand-new manufacture idea, in the traditional manufacture idea, NC processes the procedures to all concentrate on individual computer. Under the new standard, NC procedure can be dispersed on Internet, this is exactly a direction of open , networked development of numerical control technology. Secondly, STEP-NC numerical control system can also reduce and process the drawing (about 75%), process the procedure to work out the time (about 35%) and process the time (about 50%) greatly.
At present, American-European countries pay much attention to the research of STEP-NC, Europe initiates IMS plan (1999.1.1-2001.12.3) of STEP-NC. 20 CAD/CAM/CAPP/CNC users, manufacturers and academic organizations from Europe and Japan participated in this plan. STEP Tools Company of U.S.A. is a developer of the data interchange software of manufacturing industry in the global range, he has already developed the super model (Super Model ) which accuses of information exchange of machine tooling by counting, its goal is to describe all processing courses with the unified norm. Such new data interchange form has already been verified in allocating the SIEMENS, FIDIA and European OSACA-NC numerical control at present.
2 pairs of basic estimations of technology and industry development of numerical control of our country
The technology of numerical control of our country started in 1958, the development course in the past 50 years can roughly be divided into 3 stages: The first stage is from 1958 to 1979, namely closed developing stage. In this stages, because technology of foreign countries blockade and basic restriction of terms of our country, the development of numerical control technology is comparatively slow. During "Sixth Five-Year Plan Period" , " the Seventh Five-Year Plan Period " of the country in second stage and earlier stage in " the Eighth Five-Year Plan Period ", namely introduce technology, digest and assimilate, the stage of establishing the system of production domesticization arisesing tentatively. At this stage , because of reform and opening-up and national attention , and study the improvement of the development environment and international environment, research , development and all making considerable progress in production domesticization of the products of the technology of numerical control of our country. The third stage is and during the "Ninth Five-Year Plan Period" on the later stage in "the Eighth Five-Year Plan Period" of the country, namely implement the research of industrialization, enter market competition stage. At this stage, made substantive progress in industrialization of the domestic numerical control equipment of our country. In latter stage for "the Ninth Five-Year Plan ", the domestic occupation rate of market of the domestic numerical control lathe is up to 50%, i