基于逆向工程的饲料搅拌机刀片三维造型设计

摘要

Because of the complex blade curve of the TMR fodder mixing machine ring blade which leads to difficult problems of finding the curvilinear equation for sequential engineering, the three-dimensional model design of the ring blade was obtained applying reverse engineering technology. The surface of the ring blade was scanned by non-contact laser scanning and the three-dimensional point clouds were obtained, and the effect of exposure rate to scan results were studied. The point cloud data was optimized through software Geo-magic Studio; The blade curve surface was reconstructed through software Geomagic Design; The errors were analyzed by contrasting between the refactored 3D geometric? model and the original point clouds data through Geomagic Control, based on reverse engineer-ing, the preliminary study on the application of the ring blade structural design has been completed.%针对TMR饲料搅拌机梅花刀刀刃曲线复杂，不易找出曲线方程进行正向设计的问题，利用逆向工程技术得到梅花刀的三维模型。利用非接触式激光扫描仪对梅花刀片表面进行三维扫描，并获取三维点云数据，研究曝光率对扫描结果的影响；利用Geo-magic Studio软件对点云数据进行优化处理；利用Geomagic Design软件对刀片曲面进行重构；利用Geomagic Control将重建后的三维几何模型与原始点云数据进行误差对比分析，完成逆向工程技术在梅花刀片结构设计中的应用初步研究。