The full name of cad is "Computer Aided Design", which means computer-aided design; CAD is a drawing software that can draw complex engineering drawings instead of simple lines or icons; if you draw mechanical drawings, architectural drawings Generally, CAD is used for drawings, electrical diagrams, etc. There are three types of drawings drawn by CAD, including plan views, axonometric drawings and stereoscopic drawings.
The operating environment of this tutorial: Windows 10 system, Dell G3 computer.
The full name of CAD in English is: Computer Aided Design, and the Chinese meaning is computer-aided design.
CAD refers to the use of computers and graphics equipment to help designers carry out design work. In design, computers are usually used to perform a large number of calculations, analysis and comparisons of different solutions to determine the optimal solution; All kinds of design information, whether digital, textual or graphic, can be stored in the computer's memory or external memory and can be quickly retrieved;
Designers usually start the design with a sketch, and then The heavy work of turning into working drawings can be left to the computer; the design results automatically generated by the computer can quickly create graphics, allowing designers to make timely judgments and modifications to the design; the computer can be used to edit, enlarge, and reduce graphics. , translation, copy and rotation and other related graphics data processing work.
is a popular auxiliary drawing software system in China. It is widely used in civil construction, decoration, urban planning, garden design, electronic circuits, mechanical design, clothing, shoes and hats, aerospace, light industry, chemical industry and many other fields. .
CAD is a drawing software. It can draw complex engineering drawings instead of simple lines or icons. Its drawing function is very powerful. Therefore, if you draw mechanical drawings, architectural drawings, electrical drawings, etc., you generally choose CAD. , There are three types of graphics drawn by CAD, plan view, axonometric view and three-dimensional view.
Extended information:
Use of CAD software:
1. CAD software is used for engineering drawing: Architectural engineering, decoration design, environmental art design, water and electricity engineering, civil construction, etc.
2. CAD software is used for industrial drawing: precision parts, molds, equipment, etc. ,
3. CAD software is used for clothing processing: mainly used for clothing pattern making.
4. CAD software is used in the electronics industry: mainly used in printed circuit board design.
5. CAD software is widely used in many fields such as civil construction, decoration, urban planning, garden design, electronic circuits, mechanical design, clothing, shoes and hats, aerospace, light industry and chemical industry.
According to different models, CAD systems are generally divided into two-dimensional CAD and three-dimensional CAD systems. Two-dimensional CAD systems generally regard product and engineering design drawings as a collection of geometric elements such as "points, lines, circles, arcs, text...".
Any design expressed in the system becomes a geometric figure, and the mathematical model it relies on is a geometric model. The system records the geometric characteristics of these graphics elements. Two-dimensional CAD systems generally consist of graphics input and editing, hardware interfaces, data interfaces and secondary development tools.
The core of the three-dimensional CAD system is the three-dimensional model of the product. The three-dimensional model is a three-dimensional model that represents the actual shape of the product in a computer. The model includes various information about points, lines, surfaces, and bodies of the product's geometric structure. The description of computer three-dimensional models has experienced development from wireframe models, surface models to solid models. The geometric information expressed is becoming more and more complete and accurate, and the scope of "design" can be solved in a wider range.
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