目录一、设计思路..............................................................................................................41.设计思路...........................................................................................................42.采取技术方案...................................................................................................52.1技术要求和技术规范...............................................................................5二、设计过程与说明..................................................................................................61.定位键的CAD绘制与结构分析.......................................................................61.1图纸绘制的要求及方法...........................................................................61.2定位键的结构分析...................................................................................72.数控加工工艺卡的编制...................................................................................82.1选择毛坯...................................................................................................82.2确定零件加工的工艺路线.......................................................................82.3填写工序卡...............................................................................................93.UG建造三维造型............................................................................................133.1三维建模的方法与步骤.........................................................................134.数控仿真加工零件.........................................................................................154.1仿真加工系统操作步骤.........................................................................154.2具体过程.................................................................................................155.碰到的问题及解决措施.................................................................................175.1碰到的问题............................................................................................175.2解决的措施..................................................................................