UG 3D Grip程序，在3D中按照渐开线的参数用Spline线的方法画出渐开线-UG 3D Grip procedure in 3D, in accordance with the parameters of involute method to draw the line with the Spline Involute

CAD三维制图 三维绘图术语和坐标系 ◆视图观测点的设立方法 ◆绘制三维点和曲线 ◆绘制三维网格 ◆绘制三维实体 ◆通过二维对象创建三维对象 -◆ view observation points set up method of CAD 3D drawing 3D graphics terminology and coordinate system ◆ draw the 3D points and curves In ◆ draw three-dimensional

用inventor 软件绘制的开关管的3D图像，有定位套和真空管-Using the inventor software to draw the 3D image of the switch tube, there are positioning sleeve and vacuum tube