面向钛合金叶片精锻变形均匀预成形设计的三维有限元反向模拟

Implementation of 3D Backward Simulation for Preform Design with Uniform Deformation in Net-Shape Forging of Blade of Titanium Alloy

摘要:

以钛合金单榫头叶片为研究对象，对其精锻过程有限元三维反向模拟中需要解决的关键问题提出了相应的算法和处理技术，并对其精锻过程进行了三维反向模拟，获得了形状满足要求、变形均匀性有所提高的预成形毛坯，为其精锻工艺的制订提供了工程实用的科学依据

关键词:三维反向模拟;预成形设计;有限元;精密塑性成形;钛合金叶片

Abstract:

The key technologies of 3D backward simulation are explored and the 3D backward simulation system for uniform deformation has been developed. Its precision forging process is simulated and analyzed using this system, and the perform of the blade forging have been designed, which can achieve a net-shape product and uniform deformation

Key words:3D backward simulation; perform design; FEM; precision deformation; blade of titanium alloy