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1、附录：外文资料与中文翻译外文资料：NC Technology1、Research current situation of NC lathe in our timesResearch and development process to such various kinds of new technologies as numerical control lathe , machining center , FMS , CIMS ,etc. of countries all over the world, linked to with the international economic si
2、tuation closely. The machine tool industry has international economy to mutually promote and develop, enter 21 alert eras of World Affairs, the function that peoples knowledge plays is more outstanding, and the machine tool industry is regarded as the foundation of the manufacturing industry of the
3、machine, its key position and strategic meaning are more obvious. Within 1991-1994 years, the economic recession of the world, expensive FMS, CIMS lowers the temperature, among 1995-2000 years, the international economy increases at a low speed, according to requisition for NC lathe and the world fo
4、ur major international lathes exhibition in order to boost productivity of users of various fields of present world market (EMO , IMTS , JIMTOF , China CIMT of Japan of U.S.A. of Europe), have the analysis of the exhibit, there are the following several points mainly in the technical research of NC
5、lathe in our times:1.1、Pay more attention to new technology and innovationWorldwide , are launching the new craft , new material , new structure , new unit , research and development of the new component in a more cost-effective manner, developmental research of for instance new cutter material , th
6、e new electric main shaft of main shaft structure , high speed , high-speed straight line electrical machinery ,etc. Regard innovating in improvement of the processing technology as the foundation, for process ultra and hard difficult to cut material and special composite and complicated part , irre
7、gular curved surface ,etc. research and develop new lathe variety constantly.1.2、Improve the precision and research of machine toolingIn order to improve the machining accuracy of the machining center , are improving rigidity of the lathe , reduction vibration constantly, dispel hotly and out of sha
8、pe, reduce the noise , improve the precision of localization of NC lathe , repeat precision , working dependability , stability , precision keeping, world a lot of country carry on lathe hot error , lathe sport and load out of shape software of error compensate technical research, take precision com
9、pensate , software compensate measure improve , some may make this kind of error dispel 60% already. And is developing retrofit constantly, nanometer is being processed.1.3、Improve the research of the machine tooling productivityWorld NC lathe, machining center and corresponding some development of
10、main shaft, electrical machinery of straight line, measuring system, NC system of high speed, under the prerequisite of boosting productivity.1.4、What a lot of countries have already begun to the numerical control system melt intelligently, openly, study networkedlyA、 Elegant research of the numeric
11、al control systemMainly showing in the following aspects: It is intelligent in order to pursue the efficiency of processing and process quality, the self-adaptation to the processing course is controlled, the craft parameter produces research automatically; Join the convenient one in order to improv
12、e the performance of urging and use intelligently, to the feedback control , adaptive operation , discerning automatically load selects models automatically , since carries on research whole definitely ,etc. of the electrical machinery parameter; There are such research of the respect as intelligent
13、 automatic programming , intelligent man-machine interface , intelligence diagnosing , intelligent monitoring ,etc.B、 The numerical control system melts and studies openMainly showing in the following aspects: The development of the numerical control system is on unified operation platform, face the
14、 lathe producer and support finally, through changing, increasing or cutting out the structure target(numerical control target ), form the seriation, and can use users specially conveniently and the technical know-how is integrated in the control system, realize the open numerical control system of
15、different variety , different grade fast, form leading brand products with distinct distinction. System structure norm of the open numerical control system at present, norm, disposing the norm, operation platform, numerical control systematic function storehouse and numerical control systematic func
16、tion software developing instrument, etc. are the core of present research to pass through.C、Meeting the manufacture system of the production line , demand for the information integration of the manufacturing company networkedly greatly of numerical control equipment, it is a basic unit of realizing the new manufacture mode too.2、Classification of the machining center2.1、Process according to main shaft space position when it classifies to be as follows,
