Zhongwang 3D is a very powerful CAD/CAM software. Proficiency in Zhongwang 3D can greatly improve the efficiency of our design work. Among the many functions of Zhongwang 3D, its surface modeling function is especially powerful. Today I will introduce you to a common way of constructing 3D curved surfaces - sweeping.
In surface modeling, it is usually first to construct a series of lines by wireframe construction, and then to construct a basic surface by surface modeling. Finally, these basic surfaces need to be rounded, cropped, etc. Sweeping is a common way of constructing curved surfaces and has a wide range of applications. First, the sweep is explained. The sweep is a section line with several lines as the guide line, and the section line moves along the guide line to form a curved surface. Next, we will briefly understand how Zhongwang 3D achieves this function.
We can see the following picture. The curved part of the pipe needs to use the sweep function. The steps to achieve this effect are as follows:
1. First we need to draw a cross-section of the pipe to determine the radius of the section of the curved pipe. Because the pipe has a thickness, the radius can be either the inner radius or the outer radius, but the direction of the thickness is chosen differently during the sweep. . Here I chose the outer radius:
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