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1、<p><b> 外文翻譯</b></p><p> A, count to control a system development trend</p><p> Develop a first on trial sex number to control system from 1952 American M.I.T., have already
2、walked through 46 calendar distances till now.The number controls system from at the beginning of the electron tube type start, experience following several deveolp step:</p><p> Cent the number of the - sm
3、all scaled super - tiny machine type of the large scale integration - of the calculator type -- of the - large scale integration of the small scale integrated circuit of the sign type transistor type -- type - type - con
4、trols system.To the 80's, population development trend BE:The number controls apparatus to deveolp toward the CNC from the NC;Extensively adopt 32 potential CPU the composition have another microprocessor system;Rais
5、e the integration degree of system, r</p><p> 1.The new generation number controls the system structure of the system adoption open type</p><p> Get into 90's and technically fly to soon d
6、eveolp because of the calculator and push number control the faster renewal of the engine bed technique to change generation.Many numbers control the new generation number of soft system structure of the development open
7、 type of the hardware resources which makes use of PC machine abundance of the system production plant house to control system in the world.The structure of open type system makes the number control system to have better
8、 and in general u</p><p> The number controls system to follow to deveolp toward high integration degree direction, can integrate more transistors on each core plate, make system volume smaller, smaller sca
9、led turn, miniaturization.The reliability consumedly raises.Make use of have another CPU advantage, carry out accident to automatically expel;Intensify correspondence function, raise into the line, allied net ability.The
10、 new generation number of the open type system structure controls system, it hardware, software with</p><p> 2.The new generation number controls the function of system control to consumedly raise</p>
11、<p> The number controls system to turn a development toward the intelligence in controling function.Along with artificial intelligence's osmosis and development in calculator realm, number control system to
12、lead go into from orientation control, the control mechanism of the misty system and nerve network, not only have an automatic plait distance, ex- Kui control, fuzzy control, study control, from orientation control, craf
13、t parameter auto born and 3D tool angel compensate, running parameter dynamic</p><p> In fine, the new generation number controls a system technique, the level consumedly raises and helped the number to con
14、trol the engine bed function is to the high accuracy, hegh - speed, Gao gentle turn a direction development, make gentle automation the processing technology level continuously raise.</p><p> Two, count to
15、control an engine bed development trend</p><p> For the sake of satisfy market and science technique deveolp of demand, for attaining the technique logarithm of the modern production to control higher reque
16、st that the technique put forward, current, the world number controls the development trend of technique and its material main body now following few aspects:</p><p> 1.Top speed, efficiently, high accuracy
17、, high reliability</p><p> To raise to process effciency have to raise to slice to pare and enter to the speed first, also need to shorten to process time in the meantime;To insure to process mass have to r
18、aise the accuracy of the running track of the engine bed assembly unit, subassembly, but basic assurance of the reliability n above-mentioned target.For this, have to there is the number of high performance controling ap
19、paratus to make personal guarantee a certificate.</p><p> Top speed, efficiently</p><p> The engine bed turns a direction development toward the high speed, can well develop the function of mo
20、dern tool angel material, not only can the significant exaltation process effciency and lower to process cost, and can also raise the surface of parts to process mass and accuracy.Extremely high soon processing technolog
21、y to manufacturing industry realization efficiently, the superior quality, low cost production contain extensive applicability.</p><p> The new generation number control the engine bed(include to process a
22、centre) only turns through a high speed significant shorten to slice to pare man-hour just may raise its rate of production further.Extremely high soon process especially extremely high soon milling and new generation be
23、 top speed number control engine bed especially top speed process central of development application close and related.Since 90's, Europe, the United States, day all countries vies with each other in develop ap</p
24、><p> Depend on quickly, the accurate numerical quantisty deliver a technique to carry out an assembly unit, subassembly to carry on high precision to the engine bed of the high performance, Gao respond to spe
25、ed of solid hour treat, in order to adopting new tool angel, the slice of truning and milling pares speed to already arrive 5000 meters ~ 8000 meters/cent above;The main shaft screw number at 30000 screw/cent(have of be
26、up to 100,000 screw/cent) above;The removal speed of workbench:(Enter to the </p><p> Deveolping super precision finishing(especially the high accuracy process) from the precision finishing is the direction
27、 that each industrial big country in the world concentrates on a development.Its accuracy is go to the Na rice class(<10 nms) from micron class to second micron class and its application is gradually extensive.The sup
28、er precision finishing mainly includes super - nicety to slice to pare(car, milling), super - accurate grind, super and accurate grinding polish and super and accu</p><p> At present, the machinery processe
29、s the request of high accuracy as follows:Ordinary processed accuracy to raise 100%, attain 5 microns;The precision finishing accuracy raised two piece quantisty stage, the super precision finishing accuracy gets into th
30、e Na rice class(0.001 microns), the main shaft turns round an accuracy request to attain 0.01~0.05 microns, process the circle degree as 0.1 microns and process rough surface degree Ra=0.003 micron etc..</p><p
31、> Accurate turn is for adapt the high and new technique deveolp of demand, is also for raising common machine battery product of function, mass and reliability, reduce its assembly of the workload raises a demand of
32、assemble the effciency thus.Along with the Gao lately technical development and request to the machine battery product function and the mass of exaltation, the engine bed customer processes the request of accuracy to the
33、 engine bed also more and more high.For satisfying customer's dema</p><p> High reliability</p><p> BE the index number controls a system reliability to want Gao in is controled an equipme
34、nts of the reliability measures stage in a piece above, but is not a reliability either more the Gao be more good, still is a moderation credibility, be subjected to because of being a merchandise function price than of
35、stipulation.Work to everyday two class unmanned workses but speech, if request within 16 hours the regular work has no accident rate P(t) in a row=the words of above 99%, then count control ti</p><p> The a
36、broad number controls the MTBF of apparatus to be worth already for more than 6000 hour at present and drive apparatus to reach to more than 30000 hour.</p><p> 2.The mold mass turn, the intelligence turn,
37、gentle turn to turn with integration</p><p> The mold mass turn, specializes with characteristic</p><p> The engine bed structure mold mass turn, count to control function to specialize, the e
38、ngine bed function price ratio shows a Zhao exaltation and speed excellent turn.For adapting a number to control the characteristics that the engine bed has another a species, small batch quantity, the engine bed structu
39、re mold mass turn, count to control function to specialize, the engine bed function price ratio shows a Zhao exaltation and speed excellent turn.Characteristic is several near in the last years</p><p> The
40、intelligence turn</p><p> The contents that the intelligence turn includes in the number to control each aspect in the system:</p><p> The -- is in pursuit of to process effciency and process
41、the intelligence of mass to turn, such as from the orientation control, craft parameter the auto be born;</p><p> The -- is function and usage of the exaltation drive to connect convenient intelligence to t
42、urn, such as ex- Kui control, electrical engineering parameter of from orientation operation, automatically identify load auto make selection pattern, from whole settle etc.;</p><p> ?。?Simplification plait
43、 distance, simplification operation of the intelligence turn, such as the intelligence turn of auto plait distance, the intelligence turn of man-machine interface etc.;</p><p> The contents of the -- intell
44、igence diagnosis, intelligence supervision, convenient system of diagnosis and maintain etc..</p><p> Gentle turn to turn with integration</p><p> The number controls the trend that the engine
45、 bed deveolps toward the gentle automatic system BE:From the spot(number control single machine, process a centre and number control compound to process engine bed), line(FMC, FMS, FTL, FML) to the direction development
46、of surface(work segment the car independently makes an island, FA), body(CIMS, distribute type the network integrate production system), on the other hand to pay attention to application and economic sex direction a deve
47、lopment.The gen</p><p> 3.Open sex</p><p> For adapting a number to control into the line, allied net, universality the type be characteristic, have another species, small batch quantity, gent
48、le turn and count control the request of quick development, the most important deveolp the trend be a system structure of open sex, the number which designs the production open type controls system, for example total bod
49、y in the United States, Europe and development open type number in Japan control of program etc..</p><p> 4.Appear the new generation number controls to process craft and material</p><p> The
50、-- is an orientation production automation of development, provide a foundation equipments toward the FMC, FMS and the CIMS, request numerical control production system can not only complete to usually process function,
51、and still need to have auto measure, auto top and bottom anticipate, automatically change the knife, automatically replace spindle head(sometimes take to sit mark to change), automatic error compensate, auto diagnosis, e
52、nter line and allied net etc. function, broadly applied </p><p> -- FMC, the FMS Web-based production and without the chart paper production technique;</p><p> ?。?Around the number control a t
53、echnique and make the process technique is quickly modeling, parallel the mechanism engine bed, robot turn engine bed, multi-function engine bed etc. the whole machine and high speed to give or get an electric shock main
54、 shaft, straight line electrical engineering, software compensate the accuracy's etc.'s unit technique successively has breakthrough.Merge stem train the new model of the structure number control engine bed appli
55、cation to turn.This kind of virtual </p><p> The -- takes management and engineering database, Internet...etc. of the calculator assistance as the production information of corpus to support technique and i
56、ntelligence's turn decision system.Process to the machinery medium sea quantisty information progress saving with solid hour treat.The application numeral turns a network technique and make the machinery process the
57、whole system to tend at the resources reasonable domination combine efficiently application.</p><p> ?。?Because of adopting a nerve network control a technique, fuzzy control technique, numeral turn a netwo
58、rk technique, the machinery process manufactural toward the conjecture of the direction deveolp.</p><p> 一、數(shù)控系統(tǒng)發(fā)展趨勢 從1952年美國麻省理工學院研制出第一臺試驗性數(shù)控系統(tǒng),到現(xiàn)在已走過了46年歷程。數(shù)控系統(tǒng)由當初的電子管式起步,經歷了以下幾個發(fā)展階段:</p><p>
59、 分立式晶體管式--小規(guī)模集成電路式--大規(guī)模集成電路式--小型計算機式--超大規(guī)模集成電路--微機式的數(shù)控系統(tǒng)。到80年代,總體發(fā)展趨勢是:數(shù)控裝置由NC向CNC發(fā)展;廣泛采用32位CPU組成多微處理器系統(tǒng);提高系統(tǒng)的集成度,縮小體積,采用模塊化結構,便于裁剪、擴展和功能升級,滿足不同類型數(shù)控機床的需要;驅動裝置向交流、數(shù)字化方向發(fā)展;CNC裝置向人工智能化方向發(fā)展;采用新型的自動編程系統(tǒng);增強通信功能;數(shù)控系統(tǒng)可靠性不斷提高??傊?/p>
60、,數(shù)控機床技術不斷發(fā)展,功能越來越完善,使用越來越方便,可靠性越來越高,性能價格比也越來越高。到1990年,全世界數(shù)控系統(tǒng)專業(yè)生產廠家年產數(shù)控系統(tǒng)約13萬臺套。國外數(shù)控系統(tǒng)技術發(fā)展的總體發(fā)展趨勢是:1.新一代數(shù)控系統(tǒng)采用開放式體系結構進入90年代以來,由于計算機技術的飛速發(fā)展,推動數(shù)控機床技術更快的更新?lián)Q代。世界上許多數(shù)控系統(tǒng)生產廠家利用PC機豐富的軟硬件資源開發(fā)開放式體系結構的新一代數(shù)控系統(tǒng)。開放式體系結構使數(shù)控系統(tǒng)有更好的通用性
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