基于Pro/E的自由曲面零件三维建模研究

Free-form surface 3D modeling research based on Pro/E

自由曲面零件作为工程机械中重要的构件,其型面复杂,设计具有很大难度。通对自由曲面零件螺旋桨建模过程进行全面分析,来解决建模过程中难题。为了高效的得到螺旋桨模型,采用图谱设计方法,推导出螺旋桨桨叶切面坐标转换公式,应用Excel、Pro/E软件分别进行数值计算、三维实体化造型。实现了螺旋桨的快速精确造型,为自由曲面零件参数化设计提供了另一种参考。

ree-form surface parts as an important component in engineering machinery, its complex profile, design is very difficult.Through the comprehensive analysis on the modeling process of free-form surface parts propeller, to solve the problems in the process of modeling. In order to get the propeller model is efficient, the graph design method of propeller blade section is deduced coordinate transformation formula, the application of Excel, Pro/E software respectively through numerical calculation, 3d modeling of materialization.Realize the fast accurate modeling of the propeller, parametric design for free-form surface parts provides another reference.