【導(dǎo)讀】我國機(jī)床產(chǎn)量居世界第四，但高檔數(shù)控機(jī)床仍主要靠進(jìn)口。使我國機(jī)床水平得到整體提升，就要加大數(shù)控機(jī)床的研發(fā)力度。近年來，我國數(shù)控機(jī)床一直保持兩位數(shù)增長。去年產(chǎn)值達(dá)260億元，產(chǎn)。但與發(fā)達(dá)國家相比，產(chǎn)業(yè)發(fā)展和國防軍工現(xiàn)代化的戰(zhàn)略裝備。高性能數(shù)控機(jī)床作為戰(zhàn)略物資而嚴(yán)加控制，限制我國進(jìn)口高性能數(shù)控機(jī)床。其性能水平的高低是衡量一個(gè)國家綜合實(shí)力的重要標(biāo)志。振興裝備制造業(yè)首。從總體來看，我國機(jī)床工業(yè)與世界先進(jìn)水平相比，差距仍然十分明顯：。一是國產(chǎn)高檔數(shù)控機(jī)床在品種、水平和數(shù)量上遠(yuǎn)遠(yuǎn)滿足不了國內(nèi)發(fā)展要求，

　　

【正文】 idly achieve mass production, improve market petitiveness. The high precision CNC machining centers, like with other characteristics of high precision, and processing center focused on the manufacturing processes to avoid a long 哈爾濱工業(yè)大學(xué)華德應(yīng)用技術(shù)學(xué)院畢業(yè)論文 30 process, reducing human interference, so the higher precision, processing quality is more stable. Processing rate The time required for machining parts including motor time and auxiliary time in two centers and automatic tool changer with tool storage device, to focus on a single machine to plete a variety of processes, which can reduce the workpiece clamping, measurement and adjustment of machine time and reduce the flow of semifinished parts, handling and storage time, so thatutilization of cutting tools (cutting time and the starting time of the ratio) higher than the ordinary machine 3 to 4 times more than 80%. The operator to reduce the labor intensity The processing of parts processing center is preprogrammed according to autoplete, the operator in addition to keyboard, loading and unloading parts, the key process in the middle of the operation of measurement and observation tools, the need for heavy repetitive manual operation,labor intensity and tension can be greatly reduced, working conditions have also been greatly improved. High cost Used machining center parts, sharing in each part of the equipment cost is more expensive, but in single, smallbatch production of the case, you can save a lot of other costs, so they can get good value for example, in the process crossed before the save hours of work, in part to the machine after installation can reduce the adjustment, processing and inspection time, reduced direct production addition, the machining center parts do not need handmade model, cam, drill templates and other fixtures, eliminating a lot of technology and equipment, to reduce the hardware due to stable machining center, reduced the rejection rate, a further decline in the cost of productio. Conducive to the modernization of production management Parts with machining center, able to accurately calculate the part of the processing time, and effectively simplify the testing and fixtures, semifinished products of the features are conducive to the production and management are currently many largescale CAD / CAM integrated software production management modules have been developed to 哈爾濱工業(yè)大學(xué)華德應(yīng)用技術(shù)學(xué)院畢業(yè)論文 31 achieve a puteraided production to do basic automation manufacturing enterprises in China is still a very urgent and arduous , both the quantity and processing center utilization is very widespread use of programmable controllers, application of industrial robots is still very , we should be based on the actual situation in China, seeing the trend of the international manufacturing industry base, while a solid job of work. 3. Of the development trend of machining centers Processing center efficiency, high precision, highspeed trend With the rapid development of national economy, industrial automation, manufacturing towards the high, fine, sharp direction, particularly in the automotive, shipbuilding, textiles, electronics, aerospace and the rapid development of the machine39。s accuracy and efficiency requirements are also increasing, spindle speed 12020r/min more than 40m/min rapid traverse highspeed highprecision machine tool industry has been a trend of flow Hing. The fiveaxis vertical machining center trend Fiveaxis CNC machine tools is a high technology content, high precision, specialized tools for processing plex surface, this machine system of a country39。s aviation, aerospace, military, scientific research, precision instruments, medical equipment and other industries with high precision, has a decisive influence. The posite machine, and the effective integration of the robot increases productivity In order to improve production efficiency, minimize production costs, the industrial robot with an effective bination of tools to allow the robot in simple and repetitive work, not only can save lots of labor costs at the same time, the robot will not fatigue andno error, and thus the stability of production quality has played a significant role. Machine processing and environmental protection more attention to detail Green machine is the machine tool industry in recent years, a trend, and its emphasis on the machine, the environment, the relationship between people, head to a substantial increase in machine productivity while lowering environmental impact and the operatorhealth hazard. 哈爾濱工業(yè)大學(xué)華德應(yīng)用技術(shù)學(xué)院畢業(yè)論文 32 4. Conclusion Modern machining center is modern technology and the integration of industrial innovation, the country39。s main indicator of the level of the manufacturing sector, the national industrial base and the development of society, the requirements for products, great changes have taken place, asked to diverse species, update to speed, quality to highend, the use to be convenient, the price must be reasonable and appearance to appearance, higher degree of automation, servicebetter, more and more to meet the requirements necessary to adopt advanced machine manufacturing , we should seize the opportunity to understand the development of our machining center status, and grasp the trend of modern machining centers, so that developed countries in the world of modern manufacturing industry and on the same starting line. 淺談我國機(jī)械加工中心的現(xiàn)狀及發(fā)展趨勢 加工中心最初是從 數(shù)控銑床 發(fā)展而來的。第一臺加工中心是 1958 年由美國卡尼 特雷克公司首先研制成功的。它在數(shù)控臥式鏜銑床的基礎(chǔ)上增加了自動換刀裝置，從而實(shí)現(xiàn)了工件一次裝夾后即可進(jìn)行銑削、鉆削、鏜削、鉸削和攻絲等多種工序的集中加工。 二十世紀(jì) 70 年代以來，加工中心得到迅速發(fā)展，出現(xiàn)了可換主軸 箱加工中心，它備有多個(gè)可以自動更換的裝有刀具的多軸主軸箱，能對工件同時(shí)進(jìn)行多孔加工。機(jī)械制造技術(shù)是研究產(chǎn)品設(shè)計(jì)、生產(chǎn)、加工制造、銷售使用、維修服務(wù)乃至回收再生的整個(gè)過程的工程學(xué)科，是以提高質(zhì)量、效益、競爭力為目標(biāo)，包含物質(zhì)流、信息流和能量流的完整的