x-y数控工作台机电系统设计.docVIP

毕业论文（设计）题 目： 系部名称： 系 专业班级： 学生姓名： 学 号： 指导教师： 教师职称： 2012年0月 摘 要 X-Y数控工作台机电系统是一个开环控制系统,其结构简单,实用方便而且能够保证一定的精度。X-Y数控工作台是许多机电一体化设备的基本部件，如数控车床的纵-横向进刀机构、数控铣床和数控钻床的X-Y工作台、激光加工设备的工作台、电子元件表面贴装设备等。因此，选择X-Y数控工作台作为毕业设计的内容，对机械专业的学生具有普遍意义。 本文结合普通数控铣床的基本结构，设计了一台X-Y数控工作台，为铣床的数控化奠定了基础。首先，确定了X-Y数控工作台的总体设计方案，包括机械传动部件的选择和数控系统的设计，机械传动部件的选择如导轨副选用，丝杆螺母副的选用，减速装置的选用，伺服电动机的选择等。其次，对X-Y数控工作台进行机械部分设计，包括直线导轨副的计算与选型，滚珠丝杠螺母副的计算与选型等。最后，对X-Y数控工作台系统设计。 通过设计能够满足设计要求，达到数控工作台的基本要求，因本人水平有限，错误和不足之处在所难免，敬请老师批评指正。 关键字：X-Y数控工作台，机电系统，滚珠丝杠螺母副，伺服电动机 X-Y NC Worktable Mechatronics System Design Abstract CNC X-Y table is a mechanical and electrical systems design open-loop control system, its structure is simple. Realization of convenience and can guarantee a certain accuracy. XY CNC table is a basic part of many electromechanical integration equipment，Such as CNC lathe vertical - horizontal feed institutions，the X-Y table of CNC milling machine and CNC drilling machines， workbench of laser processing equipment， electronic components and surface mount equipment, etc。Therefore, select x-y CNC table as the graduation design of content, for mechanical engineering students have universal significance. Therefore, select x-y CNC table as the graduation design of content, for mechanical engineering students have universal significance. The basic structure of this article combined with General NC milling machine, an x-y CNC table was designed, laying a foundation for NC milling machine 。Firstly, determine the overall design of the XY CNC table，including the choice of mechanical transmission components, and numerical control system design，The choice of mechanical drive components such as rails, vice selection, the selection of the lead screw nut, deceleration device selection servo motor of choice. Secondly, XY CNC table for mechanical part design, including the calculation of the linear guide and selection, calculation and selection of the ball screw pair. Finally, the design of the X-Y CNC table