汽车散热盖模具点云数据曲面逆向重构技术研究  

The Reconstruction Technology Research on Automobile Cooling Cap Mold Point Cloud Data Surface Reverse

作　　者：张德强[1] 牛兴林[1] 程杰[1] 李金华[1] 

机构地区：[1]辽宁工业大学机械工程与自动化学院,辽宁锦州121001

出　　处：《机械设计与制造》2014年第7期243-245,共3页Machinery Design & Manufacture

基　　金：模具制造关键技术及相关技术研究(LS2010080);辽宁省重点实验室资助项目;模具磨破损区域精确建模与修复技术的研究(L2011101);辽宁省教育厅一般项目;面向高端装备制造的信息化关键技术研发及应用(国家科技支撑计划课题2012BAF12B08-5)

摘　　要：主要研究汽车散热盖模具样件的三维数据测量、点云数据处理、曲线曲面模型的重构、模具三维实体化实现方法等。点云数据预处理主要研究点云数据的对齐与重定位、数据的精简与降噪等。针对逆向工程关键核心技术如拟合曲面的质量分析、曲面片的修剪和编辑等进行了深入研究,最终针对模具不同特征区域点云的特点,结合两种建模思想,面向散热盖模具的点云数据完成了曲面模型重建,为最终实现模具三维实体逆向建模和模具磨破损区域的三维精确建模奠定基础。The three-dimensional data measurement, point cloud data processing, curve and surface model of main automotive cooling cap mold sample were reconstructed using three-dimensional solid mold realization methods. The main point cloud data pre-processing mainly researches on aligning, relocation, data simplification and noise reduction. Aiming at the reverse engineering key core technologies such as the quality analysis of the fitting surface, surface patches triming and editing, it conducted in-depth research, and ultimately for the different characteristics of the mold area point cloud features, with the radiator cap mould finishing surface model reconstruction of point cloud data, providing solid basis for achieving mold 3D entity reverse modeling and mold grinding damage area 3D precise modeling.

关 键 词：注塑模具 逆向建模 三维建模 点云数据 曲面重构 

分 类 号：TH16[机械工程—机械制造及自动化]