MK1332数控外圆磨床工作台结构设计说明书.docMK1332数控外圆磨床工作台结构设计说明书.doc

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I 摘 要 随着制造业的迅速发展,传统的加工设备已无法承担加工高精 度、复杂型面零件的要求,数控机床良好的加工精度和数控系统可 满足此要求。而国外的数控机床比较昂贵,其价格要比国内高 5060,结合市场调研和毕业设计的实际,进行磨床工作台结构 设计。针对数控磨床工作台存在的爬行、颤振现象,进给滚珠丝杠 刚性低问题,确定了采用滚珠丝杠带动工作台,滚珠丝杠和电动机 之间采用同步齿形带联接,工作台导轨贴塑,从而改善了润滑条件, 同时也起到减振作用, MK1332 数控外圆磨床的爬行、颤振现象得到 有效解决,提高了零件加工质量;丝 杠采用两端固定支承,滚动轴 承背靠背组配,刚性可提高一倍。位置检测装置采用高分辨率的脉 冲编码器,通过半闭环控制测量工作台的直线位移。工作台型面采 用平面形式,减少工作台的质量、转动惯量,使系统有更快的响应 特性。本机床对提高加工质量和效率、缩短产品开发周期有积极的 意义。 关键词 数控磨床 工作台 滚珠丝杠 贴塑导轨 II Abstract Along with the rapid development of the manufacturing sector, the traditional processing equipment has been unable to undertake the processing precision, complex parts of the surface, NC Machine good precision and CNC machining systems can meet this requirement. Abroad CNC machine tools more expensive than domestic prices high 50 60. combine market research and graduate of the actual design, structural design workstations Grinder. CNC Grinder against the crawling stage, flutter, feed rigid low-ball screw, determine the use of ball screw driven workstations, ball screw and motor uses synchronous belt link Guide laminating workstations, thereby improving the lubrication conditions, but also play a role in damping, MK1332 CNC Cylindrical Grinder crawl, flutter phenomenon to be an effective solution to improve the quality of the parts processing; Screw using both fixed supports, Rolling back-up, rigid be doubled. Position detection device using high-resolution pulse encoder, through half-closed loop control workstations measurement of linear displacement. Workstations using planar surface forms, reducing the quality of workstations, moment of inertia, allowing the system to have a faster response. The processing machine to improve quality and efficiency, shorten the product development cycle has a positive meaning. Keywords CNC Grinder Worktable Ball Screws Laminating Guide
编号:201311011640213210    类型:共享资源    大小:1.56MB    格式:DOC    上传时间:2013-11-01
  
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MK1332数控 外圆磨床 工作台结构 设计说明书
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