Abstract
Reverse engineering is an important part of CAD/CAM technology. Reverse engineering technology plays an important role in the highly competitive global market, the use of this technology can shorten the time from design to manufacture, which can improve the product in the international market competitiveness. This paper introduces the concept, characteristics and working process of reverse engineering, the related concepts of application of reverse engineering, reverse engineering to develop safety helmet. Through the reverse design safety helmet, expounds the point cloud data in Imageware data processing, curved surface reconstruction and modeling process. Introduced by a large number of data points for curve, surface reverse design method, and construct a model of the original point cloud contrast, error analysis and error of the reasonable results are obtained. At the same time describes the surface smoothing method of detection.
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