1.3.1 上控制臂部件UCA
•单击Build > Part > General Part > New命令,弹出创建部件对话框,如图1-19所示,对于已经创建好的横置板簧悬架模型,通过右击._fsae_suspension_rear_axle.gel_uca部件,在弹出的快捷菜单中单击Modify而弹出对话框;

图1-19 控制臂UCA部件创建对话框
•General Part输入uca;
•Location Dependency:Centered between coordinates;
•Centered between:Three Coordinates,即上控制臂部件uca位于三点坐标的中心位置;
•Coordinate Reference #1(参考坐标):._fsae_suspension_rear_axle.ground.hpl_uca_front;
•Coordinate Reference #2(参考坐标):._fsae_suspension_rear_axle.ground.hpl_uca_rear;
•Coordinate Reference #3(参考坐标):._fsae_suspension_rear_axle.ground.hpl_uca_outer;
•Orient using:Euler Angles,即部件定向采用欧拉角模式;
•Euler Angles:0,0,0;
•Mass:1;
•Ixx:1;
•Iyy:1;
•Izz:1;
•Density:Material;
•Material Type:.materials.steel;
•单击OK,完成部件._fsae_suspension_rear_axle.gel_uca创建。
•单击Build > Geometry > Link > New命令,弹出创建连杆几何体对话框,如图1-20所示;
•Link Name (连杆名称)输入几何名称:uca_link_front;
•General Part输入._fsae_suspension_rear_axle.gel_uca;(https://www.daowen.com)
•Coordinate Reference #1(参考坐标):._fsae_suspension_rear_axle.ground.hpl_uca_front;
•Coordinate Reference #2(参考坐标):._fsae_suspension_rear_axle.ground.hpl_uca_outer;
•Radius(半径):8;
•Color:dark gray;
•选择Calculate Mass Properties of General Part复选框,当几何建立好之后会更新对应部件的质量和惯量参数;
•Density:Material;
•Material Type:steel;
•单击Apply,完成uca_link_front几何体的创建;
•Link Name (连杆名称)输入几何名称:uca_link_rear;
•General Part输入._fsae_suspension_rear_axle.gel_uca;
•Coordinate Reference #1(参考坐标):._fsae_suspension_rear_axle.ground.hpl_uca_rear;
•Coordinate Reference #2(参考坐标):._fsae_suspension_rear_axle.ground.hpl_uca_outer;
•Radius(半径):8;
•Color:dark gray;
•勾选Calculate Mass Properties of General Part复选框;
•Density:Material;
•Material Type:steel;
•单击OK,完成uca_link_rear几何体的创建。

图1-20 控制臂UCA几何体创建对话框