z3040摇臂钻床.doc

z3040摇臂钻床64515课程设计题目:z3040摇臂钻床学院名称:上海电机学院高职学院班级:ZG1008指导老师:张勇学号:102020010813学生姓名:惠正雨2011年12月16日目录摘要···························································1关键词·························································1Z3040型摇臂钻床的主要结构及设计要求····························2摇臂钻床电气拖动特点··········································3电动机的选择···················································4夹紧机构液压系统设计···········································4电气控制线路图的设计···········································4电器元件的选择·················································5绘制电器元件布置图·············································9主要线路的工作情况·············································10检查和调整电器元件·············································12电气控制柜的安装配线···········································12电气控制柜的安装检查···········································13电气控制柜的调试········································13电气控制电路常见故障分析·····································14结论···························································14致谢··························································15参考文献·······················································15Z3040型摇臂钻床电气接线图······································16摘要:本论文主要讲述了Z3040摇臂钻床电气控制系统从原理图设计到最终电气控制柜安装和调试及常见故障分析与排除的整个过程。而且在本论文中,对Z3040摇臂钻床的工作原理和电气控制及液压系统做了进一步的分析,清晰的说明了各电器元件在电气控制电路中的重要作用以及如何选取这里面用的低压电器。同时,该设计充分合理的利用了交流接触器的辅助触头,对电器加以控制。关键词:电气控制Z3040摇臂钻床摇臂升降松开和加紧限位保护三相异步电动机电气原理图电器元件常见故障分析夹紧机构液压系统底座内立柱外立柱摇臂主轴箱主轴工作台一、Z3040摇臂钻床的主要结构及设计要求1、主要结构Z3040摇臂钻床结构示意图1底座2内立柱3、4外立柱5摇臂6主轴箱7主轴8工作台Z3040摇臂钻床是一种用途广泛的万能机床,适用于加工中小零件,可以进行钻孔、扩孔、铰孔、刮平面及改螺纹等多种形式的加工,增加适当的工艺装备还可以进行镗孔。主要有底座、内外立柱、摇臂、主轴箱、主轴及工作台等部分组成。最大钻孔直径为40mm,跨距最大1200mm,最小300mm。2、摇臂钻床主要运动形式为:(1)主轴带刀具的旋转与进给运动主轴的转动与进给运动有一台三相交流异步电动机(3kw)驱动,主轴的转动方向由机械及液压装置控制。(2)各运动部分的移位运动主轴在三维空间的移位运动有主轴箱沿摇臂方向的水平移动(平动);摇臂沿外立柱的升降运动();外立柱带动摇臂沿内立柱的回转运动(手动)等三种,各运动部件的移位运动用于实现主轴的对刀移位。(3)移位运动部件的夹紧与放松摇臂钻床的三种对刀移位装置对应三套夹紧与放松装置,对刀移动时,需要将装置放松,机加工过程中,需要将装置夹紧。三套夹紧装置分别为摇臂夹紧(摇臂与外立柱之间);主轴箱夹紧(主轴箱与摇臂导轨之间);立柱夹紧(外立柱和内立柱之间)。通常主轴箱和立柱的夹紧与放松同时进行。摇臂的夹紧与放松则要与摇臂升降运动结合进行。Z3040摇臂钻床夹紧与放