【正文】 the interconnection partial contacts, the parameter measuring point, services the position and so on, the request operates and services conveniently, reasonable, the line moves towards, center the small junction smoothly few, the strong and the weak electrical noise is smallest, has the suitable allowance and so on. Partial transformation, but also needs to consider the new old system the performance match, the voltage polarity and the size transformation, install the position, the digitalanalog conversion and so on, when the necessity must manufacture the transformation connection voluntarily. 南 京 理 工 大 學(xué) 課程設(shè)計(jì)說明 書（英文翻譯） 16 veral examples 1st, transforms the X53 milling machine with SIEMENS 810M In 1998, the pany invested 200,000 Yuan, with German Simens the 810M numerical control system, the 611A exchange servo drive system sds was the X53 milling machine carries on X, Y, the Z three axle numerical control transformation to a pany39。 Precision high, the life is long。s request. Fifth in the numerical control transformation the main mechanical part reequips the discussion A new numerical control engine bed, must achieve in the design that, Has the high static dynamic rigidity。 Does not satisfy the production request to it the CNC system to carry on the renewal by newest CNC。s started the largescale application numerical control engine bed. Its essence is, uses the information technology to the traditional industry (including the armed forces, airplane weapon industry) carries on the technological transformations. Except that uses outside the numerical control engine bed, FMC, FMS in the manufacture process, but also includes in the product development carries out CAD, CAE, CAM, the hypothesized manufacture as well as carries out MIS in the production management (management information system), CIMS and so on. As well as increases the information technology in its production product, including artificial intelligence and so on content. Because uses the information technology to the country foreign troops, the airplane weapon industry carries on the thorough transformation (to call it being an information based society), finally causes them the product in the international military goods and in the goods for civilian use market the petitive power greatly is the enhancement. But we in the information technology transformation tradition industry aspect pared to the developed country to fall behind approximately for 20 years. Like in our country engine bed capacity, numerical control engine bed proportion (numerical control rate) to 1995 only then %, but Japan has reached % in 1994, therefore every year has the massive mechanical and electrical products import. This also on from on macroscopic explained the engine bed numerical control transformation necessity. Thord, the numerical control transformation content and superiorly lacks 南 京 理 工 大 學(xué) 課程設(shè)計(jì)說明 書（英文翻譯） 8 Transformation industry starting In US, Japan and Germany and so on the developed country, their engine bed transforms took the new economical growth profession, thrives abundantly, is occupying the golden age. As a result of the engine bed as well as the technical unceasing progress, the engine bed transformation is the eternal topic. Our country39。 1974 five dynasties microprocessor and 1990 sixth generation (overseas was called PCBASED) based on PC. Also must point out, although overseas already renamed as the puter numerical control (namely CNC). Also must point out, although overseas already renamed as the puter numerical control (namely CNC), but our country still the custom called the numerical control (NC). Therefore we daily say numerical control, the materially already was refers to puter numerical control. the numerical control future will develop tendency open style continues to, to develop based on the PC sixth generation of direction The software and hardware resources has which based on PC are rich and so on the characteristic, the more numerical controls serial production factory can step onto this path. Uses PC machine to take at least its front end machine, processes the manmachine contact surface, the programming, the association Question and so on correspondence, undertakes the numerical control duty by the original system. PC machine has the friendly manmachine contact surface, will popularize to all numerical controls system. The longdistance munication, the longdistance diagnosis and the service will be more mon. approaches and the high accuracy development This is adapts the engine bed to be high speed and the high accuracy direction need to develop. develops to the intellectualized direction Along with the artificial intelligence in the puter domain unceasing seepage and the development, the numerical control system intellectualized degree unceasingly will enhance. 南 京 理 工 大 學(xué) 課程設(shè)計(jì)說明 書（英文翻譯） 5 (1) applies the adaptive control technology The numerical control system can examine in the process some important information, and the automatic control system related parameter, achieves the improvement system running status the goal. (2) introduces the expert system instruction processing The skilled worker and expert39。 課程設(shè)計(jì)提交資料 課程設(shè)計(jì) 任務(wù)書，外文翻譯， 課程 設(shè)計(jì)說明書 ， A1 的裝配圖， A1 的電氣控制原理圖， A2 的系統(tǒng)框圖。 3 步進(jìn)電機(jī)和棋驅(qū)動(dòng)電路的選用與計(jì)算。 2 機(jī)械傳動(dòng)部件的設(shè)計(jì)與計(jì)算，并畫出它的總裝配圖，以 A1圖紙繪制。 6 用 A2 圖紙繪制系統(tǒng)框圖。 1965 third generation small scale integration electric circuit. Computer numerical control (CNC) stage (in 1970 ~ present) In 1970, the general miniputer already appeared and the mass production. Thereupon transplants it takes the numerical control system the core part, from this time on entered the puter numerical control (CNC) the stage (which should have p