本科论文目 录摘 要...............................................................................................................IAbstract........................................................................................................II1 绪 论....................................................................................................11.1 课题研究的背景及意义............................................................11.2 国内外数控机床的研究动态....................................................21.2.1国内外数控机床发展现状................................................21.2.2数控机床工作台发展现状................................................31.3 本章小结....................................................................................32 电机直驱式X-Y 工作台设计................................................................52.1 工作台的总体设计及要求参数................................................52.2 刀具选用及切削力负载计算....................................................52.2.1选用刀具............................................................................52.2.2切削力计算........................................................................62.3 工作台T 型槽及导轨设计........................................................72.4 X 、Y 轴向导轨载荷分析........................................................82.4.1 X轴向导轨载荷分析........................................................82.4.2 Y轴向导轨载荷分析........................................................82.5. 丝杠选用....................................................................................92.5.1 y 轴向丝杠载荷计算........................................................92.5.2 y 轴向丝杠刚度校核........................................................102.5.3 x 、y 轴向丝杠的稳定性校核........................................112.6 联轴器选用................................................................................112.7 电机的选用.....
