毕业设计 MJ-50型数控车床主传动系统设计.doc

毕业设计（论文） 第 PAGE 35 页 PAGE MJ-50数控车床主传动系统 摘要 科学技术和社会生产的不断发展，对机械产品的性能、质量、生成率和成本提出了越来越高的要求。机械加工工艺过程自动化是实现上述要求的重要技术措施之一。单件、小批量生产占机械加工的80%左右，一种适合于产品更新换代快、品种多、质量和生产效率高、成本低的自动化设备的应用已迫在眉睫。而数控机床这一集机械、电气、液压、气动、微电子和信息等多项技术为一体的机电一体化产品，机械制造设备中具有高精度、高效率、高自动化和高柔性化等优点的工作母机，适应了这种要求，满足了目前生产需求。数控机床的技术水平高低及其在金属切削加工机床产量和总拥有量的百分比是衡量一个国家国民经济发展和工业制造整体水平的重要标志之一。数控车床是数控机床的主要品种之一，它在数控机床中占有非常重要的位置。 因此了解数控车床的结构与工作原理是操作、维修、改进数控车床的前提，也是设计一款数控车床的基本。基于此本文介绍了MJ-50数控车床的主传动系统。 关键词：机械加工，数控车床，主传动系统 MJ-50 of CNC lathe main transmission system Abstract Science and technology and the development of social production, the mechanical product performance, quality, producing rate and cost put forward more and more high demand. Mechanical processing process automation is to realize the above requirements of important technical one of the measures. Single or small batch production accounts for about 80% of the mechanical processing, a suitable product update quickly, variety, quality and high production efficiency, low cost of the application of automation equipment is imminent. And the numerical control machine this set mechanical, electrical, hydraulic, pneumatic, microelectronics and information etc many technology for the integration of mechanical and electrical products, machinery manufacturing equipment has high precision, high efficiency, high automation and high flexibility of the advantages of machine tools, used to the demand, meet the current production requirements. Numerical control machine tool technology level and in the metal cutting machine tools and the percentage of the total yield of ownership is the measure of a countrys national economic development and industrial manufacturing level one of the important marks. Numerical control lathe is one of the main types of the numerical control machine tool, it in the numerical control machine tool occupies very important position. So understand CNC lathe structure and working principle