丁兆福外文加翻译.doc

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丁兆福外文加翻译

山东理工大学 毕业设计(论文) 外文资料及译文 学 院: 机械工程学院 专 业: 机械设计制造及其自动化 学生姓名: 丁兆福 学 号: 0732107935 指导教师: 王勇 CNC FLOOR BORIING AND MILLING MACHINE DESIGN TRANSFORMATION Boring and milling machine as a basis for large-scale landing a lot of equipment in the processing and manufacturing equipment, is widely used. In recent years, with the technical level of equipment manufacturing industry significantly increased size of the work piece machining accuracy and quality requirements are becoming increasingly improve, the traditional processing technology can not meet the market economy has a high efficiency, high quality, multi-processing requirements change , CNC machining is imperative. However, investing in new large-scale investment in CNC Floor Boring and Milling Machine is not only large and long manufacturing cycle; the same time, out of the existing milling machine is not only a waste of large floor is huge and the current level of technology to make the old equipment can radiate youth and vitality. 1, Transformation of the Basic Principles of NC Mechanical parts for machine tools, CNC machines and general machine tools are basically the same basic parts as large as possible be preserved and utilized. Use of modern communication technology and digital spindle drive machine CNC technology on the main transmission part, the feed drive section, in accordance with the standards of the new CNC machine tools, conduct a thorough upgrade. Choose the worlds leading CNC system and servo motor, re-design and manufacture of machine electronic control system; column lateral movement of bodies to replace the double adjustable preload feed a small helical gear boxes and high-precision helical rack transmission mechanism; spindle box down institutions Dress Ball. Original DC spindle motor drive system to the Siemens digital AC spindle drive system, the installation of the feed axis movement and rotation of grating po

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