切削加工有限元仿真技术研究进展

Progress in Study on Finite Element Simulation Technology in Machining

基于有限元仿真技术强大的数值分析能力,它已成为定量研究金属切削加工过程的有效手段,该技术对减少制造成本,缩短产品制造周期和提高产品质量具有重要意义。因此,对切削加工有限元仿真的一些关键技术:材料本构模型、动态自适应网格技术和切屑分离标准作了重点介绍,并对其研究现状和发展趋势进行了深入探讨。

Based on its powerful numerical analysis ability, the finite element simulation technology has become an effective way in quantitative study on metal cutting process. It is of great significance to reduction of manufacturing cost, shortening of product manufacturing cycle and improvement of product quality. Some key technologies in finite element simulation in machining are presented, including material constitutive model, dynamic constitutive model and chip separation criteria. The status quo ad developing trend are discussed in depth.