车床尾座地拆卸与装配.ppt

车床尾座的拆卸与装配 单位：xxx工业职业技术学院 专业：机械设计与制造　　 班级：13级机械设计与制造2班 姓名：XXX 组别：第二组 日期：2014年10月 目录 第1章 车床尾座的基础知识 1.1车床尾座的说明 ································································3 1.1.1车床尾座的介绍 ···························································3 1.1.2车床尾座的用途 ···························································3 1.2车床尾座安全操作规程 ·····················································4 第2章 车床尾座的拆卸与装配 2.1 作业前的准备 ··································································3 2.2 车床尾座的拆卸 ······························································5 2.2.1 车床尾座的拆卸顺序 ··················································5 2.2.2 车床尾座拆卸时注意事项 ···········································5 2.3 车床尾座的清洁保养 ························································6 2.3.1 润滑油的选择 ···························································6 2.3.2 车床尾座的清洁保养方法 ···········································7 2.4 车床尾座的装配 ·······························································8 2.4.1 车床尾座的装配顺序 ··················································9 2.4.2 完成装配 ····································································10 小结 参考文献 第1章 车床尾座的基础知识 1.1车床尾座的说明 1.1.1车床尾座的介绍 尾座体是车床上的重要的部件之一，是车床上用以支撑轴类零件车削加工和实施钻孔的主要车床附件。数控车床的尾座是在加工轴类零件时，使用其顶尖顶紧工件，保证加工的稳定性。尾座的运动包括尾座体的移动和尾座套筒的移动。主要是螺旋机构。 1.1.2车床尾座的用途 1.尾座套筒的移动是为了使顶尖顶紧或松开工件的，通常是由液压缸控制的。 2.车床尾座的作用 :车床的尾座可沿导轨纵向移动调整其位置。其内有一根由手柄带动沿主轴轴线方向移动的心轴，在套筒的锥孔里插上顶尖，可以支承较长工件的一端。还可以换上钻头、铰刀等刀具实现孔的钻削和铰削加工 。 1-后顶尖 2-尾座体 3-尾座套筒 4-手柄 5-丝杠 6-螺母 7-端盖 8-手柄 9-手轮 10-螺母 11-拉杆 12-压板 13-螺栓 14-压板 15-螺栓 16-尾座低板 17-平键 18-螺杆 19-套筒 20-套筒 21-调整螺钉 22-螺母 23-调整螺钉 图1-1 CA6140车床尾座结构图 1.2车床尾座安全操作规程 1.工作前按规定润滑机床，检查各手柄是否到位，并开慢车试运转五分钟，确认一切正常方能操作。 2.卡盘夹头要上牢，开机时扳手不能留在卡盘或夹头上。 3.工件和刀具装夹要牢固，刀杆不应伸