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Getting a better understanding of CAD |
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| Date Added: March 02, 2010 08:15:07 AM | |
| Author: amtanda12 | |
| Category: Computers & Internet: World Wide Web: Software | |
Computer-aided design (CAD) is deployed for designing real and virtual objects. CAD is not only shapes. The output of CAD often must also include symbols, for example materials, processes, dimensions and tolerances in accordance with application-specific conventions. CAD may be used to design curves and figures in two-dimensional (2D) space, and curves, surfaces and solids in 3-dimensional (3D) space. Computer-aided design is efficiently used in a great many applications, inclusive of automobile, ship-building and aerospace industries, industrial and architectural design, prosthetics and others. CAD is also widely used to produce computer animation for special effects in films, advertising and technical manuals. Computer-aided design is used for designing tools and machines and for drawing and designing all kinds of buildings, from small residential houses to large commercial and industrial buildings, for instance hospitals and factories. Computer-aided design is mainly deployed for detailed engineering of 3D models and/or 2D drawings of physical components, but it is also deployed throughout the engineering process. Computer-aided design has grown into a particularly significant technology within the scope of computer-aided technologies, since it is cost effective and time-saving. In the late Eighties when the Computer-Aided Design programmes became widely available, there began massive layoffs in drawing departments of small and mid-size companies. A CAD operator could substitute three-five drafters using traditional techniques. Besides, many engineers began to do their own drafting projects, thus the need for traditional drawing departments disappeared. Consequently, a lot of people became jobless. Since the new technologies were high-priced, only large corporations could afford them. Hence, small firms were unable to contend against giant companies that extensively used CAD. Now, prices are reasonable. Even high-end software packages require less expensive platforms and some even support multiple platforms. |
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