Transactions of Materials and Heat Treatment

Title：Research on experimental application and surface reconstruction in reverse engineering

Authors： Zhang Dehai Liu Chunling Li Yanqin Xie Guizhong Liu Jianxiu

Unit： Zhengzhou University of Light Industry Nanyang Industrial College Xi′an Jiaotong University

KeyWords： reverse engineering surface reconstruction point cloud segmentation Geomagic

ClassificationCode：TP391;TG806

year,vol(issue):pagenumber：2016,41(6):115-121

Abstract：

For the issue of slow speed and insufficient memory on numerous of large point cloud data in the pre-process of reverse engineering, the precision of point cloud segmentation was determined as the key factor influencing on final model simulation precision and processing time. Then, the technical process of point cloud processing, the triangular Bezier surface reconstruction method and NURBS surface modeling method were analyzed. A large hydraulic turbine blade and an engine belt wheel were scanned by 3D optical scanner based on identification technology of curvature boundary method, automatic region segmentation in the point cloud geometry property features and plane segmentation technology. Through Geomagic software, the numerous of point cloud obtained were processed and the surface reconstruction was carried out. Furthermore, the actual deviation rate between ideal point cloud data and real data is 96%, which shows that the method is feasible in reverse engineering, quality inspection and 3D printing.

Funds：

基金项目:机械制造系统工程国家重点实验室（西安交通大学）开放基金资助项目（sklms2015012）；河南省重点科技攻关项目（142102110151）；河南省教育厅科学技术研究重点项目(13A460378)；郑州轻工业学院博士科研基金资助项目

作者简介：张德海（1973-），男，博士，副教授，高级工程师 E-mail：zhangdehai0318@163.com

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