数控技术数控加工中英文对照外文翻译文献.docx

1、数控技术数控加工中英文对照外文翻译文献中英文对照外文翻译文献(文档含英文原文和中文翻译)The development trend of the numerical control technologyHave introduced numerical control technology and the development trend of the equipment and the current situations of the technical development of numerical control equipment and industrialization of

2、 our country of our times briefly , have discussed under the new environment further deepened in our countrys accession to the WTO and opening to the outside world on this basis, develop technology of numerical control of our country and the importance of the information-based level of manufacturing

3、 industry of our country and international competitiveness equips , improves, and has put forward technology of numerical control of our country and some views equipped of developing from two aspects of strategy and tactics. The engineering level of equipment industry and modernized intensity are de

4、termining the level of the whole national economy and modernized intensity , numerical control technology and equip , develop new developing new high-tech industry and most advanced industry To can make technology and basic equipment most (national defense industry industries , such as information t

5、echnology and their industry , biotechnology , industry , aviation , spaceflight ,etc. ). Marx has ever said the differences of different economic times, do not lie in what is produced, lie in how produce, with what means of labor produce . Manufacturing technology and equipping the most basic means

6、 of production that are that the mankind produced the activity, and numerical control technology to equip most central technology. Nowadays the manufacturing industry all around the world adopts the technology of numerical control extensively; in order to improve manufacturing capacity and level, im

7、prove 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 g

8、reat measure to develop ones own numerical control technology and industry, and implement blockading and restrictive policy to our country in high-grade, precision and advanced key technology and equipment of numerical control. In a word, develop taking technology of numerical control as the core ad

9、vanced manufacturing technology become world all developed country; accelerate economic development already in a more cost-effective manner, important route to improve the comprehensive national strength and national position.Development trend of a numerical control technologyA high-speed , high fin

10、ish machining technology and new trend equippedEfficiency, quality are subjects of the advanced manufacturing technology. At a high speed, high finish machining technology can raise the efficiency greatly, quality and grade to raise product, shorten production cycle and improve the competitive power

11、 of market. Japan carry technological research association classify their as one of the 5 loud modern manufacturing technologies first for this reason, learn (CIRP ) to confirm it as the centre in the 21st century to study one of the directions in international production engineering. In the field o

12、f car industry, produce 40 second when beat such as production of 300,000 / vehicle per year, and many variety process it is car that equip one of the key problems that must be solved; In the fields of aviation and aerospace industry, its processings spare parts are mostly the thin wall and thin mus

13、cle, rigidity very bad, material aluminum or aluminum alloy, in high to cut pace and cut strength very under the little situation only, could process these muscles, walls. Adopt large-scale whole aluminium alloy blank method of pay empty make the wing recently, large-scale parts such as the fuselage

14、 ,etc. come to substitute a lot of parts to assemble through numerous rivet , screw and other connection ways, make the intensity , rigidity and dependability of the component improved. All these requirement for processing and equipping and proposing high-speed , high and precise and high flexibilit

15、y.In machining accuracy, the past 10 years, ordinary progression accuse of machining accuracy of lathe raise to 5m , from 3- 5m accurate grades of machining center from 10m already, improve to 1- 1.5m, and the ultraprecision machining accuracy has already begun to enter nanometer (0.01m )ly. In depe

16、ndability, 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 . For realize at a high speed , high finish machining, related to it function part if electric main shaft , straigh

17、t line electrical machinery get fast development, the application is further expanded .Intellectualizations, open style, the network turns into for the contemporary numerical control system development mainly hastensThe 21st century numerical control equipments will be has certain intellectualized t

18、he system, the intellectualized content including in numerical control system each aspect: In order to pursue the processing efficiency and the processing quality aspect intellectualization, like processing process adaptive control, craft parameter automatic production; In order to enhance the actua

19、tion performance and the use connection convenient intellectualization, like the feed-forward control, the electrical machinery parameter auto-adapted operation, the automatic diagnosis load automatic designation model, is automatic entire grades; Simplification programming, simplification operation

20、 aspect intellectualization, like intellectualized automatic programming, intellectualized man-machine contact surface and so on; Also has the intelligence to diagnose, the intelligent monitoring aspect content, the convenience system diagnosis and the service and so onIn order to solve the traditio

21、nal numerical control system seal and the numerical control application software industry production existence question. At present many countries conduct the research to the open style numerical control system, like USS NGC (The Next Generation Work-Station/Machine Control), European Economic Commu

22、nitys OSACA (Open System Architecture for Control within Automation Systems), Japans OSEC (Open System Environment for Controller), Chinas ONC (Open Numerical Control System) and so on. The numerical control system will open already becomes the numerical control system road of the future. The so-cal

23、led open style numerical control system is the numerical control system development may in the unified movement platform, face the engine bed factory and the end-user, through the change, the increase or the tailor structure object (numerical control function), forms the seriation, and may convenien

24、tly integrates users special application and the technical knack in the control system, the fast realization different variety, the different scale open style numerical control system, forms has the bright individuality famous brand goods. At present the open style numerical control system system st

25、ructure standard, the correspondence standard, the disposition standard, the movement platform, the numerical control system function storehouse as well as t he numerical control system function software development kit and so on is the current research core Takes the new technical standard, the sta

26、ndard establishmentAbout numerical control system design development gaugeAs noted previously, there are better commonability , flexibility , adaptability , expanding in the open numerical control system, countries such as U.S.A. , European Community and Japan ,etc. implement the strategic developme

27、nt plan one after another , carry on research and formulation of the systematic norm of structural numerical control of the open system (OMAC , OSACA , OSEC ), 3 of world heavy economy carry on the same science plan and standardize formulation nearly in a short time most, have indicated a new arriva

28、l of period of change of the technology of numerical control. Our country started research and formulation which standardized the frame of ONC numerical control system of China too in 2000.About the numerical control standardThe numerical control standard is a kind of trend of information-based deve

29、lopment of manufacturing industry. Numerical control technology information exchange of 50 year born , to based on ISO6983 standard, adopt G , M code describes how processes, its essential characteristic faces the processing course, obviously, he cant meet demands of high-speed development of the te

30、chnology of modern numerical control 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 offering a kind of neutral mechanism not depending on the concrete system , can describe the unified data model in whole

31、 lifespan of the products , thus realize the whole manufacture process, and even the standardization of each industrial field product information.The appear ance of STEP-NC may be a revolution of the technical field of the numerical control, on development and even the whole manufacturing industry o

32、f the technology of numerical control , 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 single computer. Under the new standard, NC procedure can be d

33、ispersed on Internet, this is exactly a direction of open , networked development of technology of numerical control. Secondly, STEP-NC numerical control system also can reduce , process (about 75% ) drawing , process procedure work out (about 35% ) time and process (about 50% ) time greatly. At present, American-European