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首页> 外文期刊>Journal of Computing and Information Science in Engineering >Creation of Body Surfaces From Reverse-Engineered Components
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Creation of Body Surfaces From Reverse-Engineered Components

机译：通过逆向工程组件创建车身表面

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摘要

In the automotive industry or in similar industries, body panels need to be perfectly smooth for visual and aerodynamic reasons. In some cases, the component is a hand-made body part that will require a suitable CAD model for further development and manufacturing. Such a smooth CAD model can only be produced through reverse-engineering and CAD procedures that will make use of accurate surface reconstruction. This paper describes a reverse-engineering procedure for the production of a suitable CAD mesh from which surface reconstruction can take place. It then analyzes and compares three approaches assessing the continuity and the quality of each set of NURBS patches: automatic, semiautomatic, and completely manual surfacing. Recommendations are made for each method when creating CAD surfaces. Finally, a procedure is suggested to optimize the time and the quality of the final CAD model.
机译：在汽车行业或类似行业中，出于视觉和空气动力学的原因，车身面板需要完全光滑。在某些情况下，该组件是手工制作的身体部件，需要适当的CAD模型才能进行进一步的开发和制造。这样的平滑CAD模型只能通过逆向工程和CAD程序来生成，这些程序将利用精确的表面重建来实现。本文描述了一种逆向工程程序，用于生产合适的CAD网格，从中可以进行曲面重建。然后，它分析并比较了三种评估每组NURBS修补程序的连续性和质量的方法：自动，半自动和完全手动铺面。创建CAD曲面时，会针对每种方法提出建议。最后，建议了一个程序来优化最终CAD模型的时间和质量。

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