激光辅助精密微铣床的研制与有限元分析

Development and Finite Element Analysis of Laser-assisted Precision Micro Milling Machine

激光辅助切削作为一种先进的特种加工技术,具有能量密度高、升温速度快、加热范围小、对材料热影响小等优点。介绍了自主设计的激光辅助精密微铣床,通过对横梁和立柱进行有限元分析得知,横梁和立柱静态时具有极小变形量,动态时具有较高固有频率,满足设计要求,可以保证加工系统的整体稳定性,进而确保零件的表面加工质量和精度。

As an advanced non-traditional processing technique,laser-assisted cutting process has the advantages of high energy density,quick heating-up,smaller heating range and minimum heat impact to the materials.This article gives a detailed introduction on the self-designed laser-aided precision micro milling machine.Through finite element analysis of its beams and columns it shows that the beams and columns have minimal amount of static deformation with high natural frequency in dynamic state,The design requirement could be satisfied while the global stability of the processing system are guaranteed.All these advantages will ensure the quality and accuracy of the surface finish of the parts.