全自动引线键合机xy工作台装配工艺.doc

全自动引线键合机XY工作台装配工艺摘要本文综述了键合机中XY工作台的相关知识和装配工艺,阐述了XY工作台的工作原理、应用范围、装备技巧及实际意义,通过XY工作台的简单介绍和过程分析,研究了XY的工作过程、封装方法及装配精度保证方法。利用相关机械知识推导出了XY工作台的实现和对数控、机电一体化的实际意义,通过收集相关资料、查阅有关文献得到了XY工作台的蓝图。讨论了XY工作台装配中的难点、重点以及要点。总之,通过对键合机的了解和在实****期间对XY工作台的亲身装配,认识到XY工作台在键合机乃至数控、机电一体化的领域的重要作用。关键词:高精度,高速度,高稳定性目录XY工作台简介·················································1第一节XY运动平台控制系统介绍···············································1第二节XY工作台的性能要求···················································1第三节XY工作台的组成·······················································1第二章XY工作台零部件的选用···································3第一节导轨的选用·························································3第二节直线电机的选用···················································3第三节导轨油的选用······················································5第三章XY工作台的组装············································8第一节XY工作台····························································8第二节装配环境要求······················································8第三节测量仪器与工具准备···············································8第四节装配前的准备工作·················································8第五节XY工作台装配························································9结论·······································································14参考文献································································14附录······································································15第一章XY工作台的简介一、XY运动平台控制系统介绍XY运动平台是许多数控加工设备和电子加工设备目前最为典型的机电一体化系统的基本部件。如:数控车床的纵横进刀装置、数控铣床和数控钻床的XY工作台、激光加工设备。,它是由两个直线运动单元组成。每个直线运动单元包括:工作台面、滚珠丝杠、导轨、轴承座、基座等部分,通过两个直线运动单元的组合,可以使工作台面产生两个自由度XY轴方向的平面运动。二、XY工作台的性能要求由于工作台的使用的情况不同,因而对性能的要求也各异。一般的静态和动态性能要求包括有如下一些内容。1、在静态性能方面:(1)工作台的几何精度它包括XY工作台的导轨在水平面内的直线性、垂直平面内的直线性,X方向与Y方向的垂直度,X-Y方向的反向间隙和反向精度以及工作台面与运动平面间的不平行性。(2)系统的静刚度工作台传动系统受重力、摩擦力或其他外力的作用而产生响应的变形,其比值称为静刚度。(3)工作台的定位精度和重复定位精度。2、在动态性能方面:(1)工作台系统的振东特性和固有频率;(2)速度与加速度特性;(3)负载特性;(4)系统稳定性等。三、XY工作台的组成XY工作台系统基本上是由工作台底板、直线移动导轨、传动机构、驱动电机、控制装置和位移检测器等组成。在设计XY工作台时,应该把机械部分与控制部分视为一体进行考虑,以便能够从总体上设计出较为经济地满足使用要求的工作台。其中传动系统的设计尤为重要。因为它对整