基于Imageware的汽车后大梁反求设计

Reverse Design of Rear Frame of Vehicle Beam Based on Imageware

逆向工程是产品设计与加工的一种新方法,已经成为企业不可或缺的设计手段。以汽车后大梁为研究对象,介绍了反求设计关键技术以及使用Imageware进行自由曲面反求设计的一般方法。通过点云数据的采集、数据预处理、特征线构建以及三维模型重建和曲面质量分析和编辑等设计过程,介绍了利用Imageware实现汽车后大梁这种复杂曲面的反求设计的整个步骤,详细介绍了利用Imageware进行特征线重构和曲面重构的关键技术,以及通过对特征线和曲面的再次编辑,实现了汽车后大梁的反求设计并满足了企业的设计精度要求。并介绍了反求设计的一般设计流程以及在Imageware中进行反求设计的技巧。

Reverse engineering,as a new technology for product design and machining,has become the absolutely necessary design method for enterprise.Research is done on rear frame of vehicle beam,with the key technology of RE and the methods for freeform surface reverse design based on Imageware introduced.Through the cloud data collecting,data pre-processing,feature line constructing and 3D model rebuilding,all the procedures to realize the reverse design of complicated surfaces such as rear frame of vehicle beam,the key technology to rebuilding the feature line and surface based on Imageware are introduced.Through the copy-editing to feature lines and surfaces,it realizes the reverse design of rear frame of vehicle beam and meets the enterprise＇s design accuracy.The general design steps and the techniques of RE based on Imageware are presented.