径向振动外圆车削刀杆结构设计及仿真分析  

Structure design and simulation analysis of radial vibration cylindrical turning tool

作　　者：李绍朋 王利强 吕志杰[1] LI Shaopeng;WANG Liqiang;LV Zhijie(School of Mechanical and Electronic Engineering,Shandong Jianzhu University,Jinan 250101,CHN)

机构地区：[1]山东建筑大学机电工程学院,山东济南250101

出　　处：《制造技术与机床》2020年第11期22-26,共5页Manufacturing Technology & Machine Tool

基　　金：国家自然科学基金项目(51375281)。

摘　　要：基于振动切削原理设计了用于径向振动外圆车削TC4钛合金的振动车刀刀杆。超声振动频率为20 kHz,变幅杆横截面直径为32 mm,刀杆尾部与变幅杆连接处采用螺纹连接,螺纹孔规格为M18×20 mm,在此基础上对振动车刀刀杆进行建模计算,然后利用ANSYS Workbench有限元仿真软件对所设刀杆做模态分析及谐响应分析,设计符合加工要求的径向振动外圆车削车刀刀杆。Based on the principle of vibration cutting,the vibrating tool bar of TC4 titanium alloy was designed for radial vibration turning.Ultrasonic vibration frequency of 20 kHz,cross section is 32 mm in diameter,the amplitude of the tail and the amplitude of a tool rod joint connected by screw thread hole,thread hole size for M18×20 mm,on the basis of this model for the vibration turning tool rod is calculated,and then by using the finite element simulation software ANSYS Workbench to set tool rod do modal analysis and harmonic response analysis,designed to meet the requirements of machining radial vibration cylindrical turning tool rod.

关 键 词：径向振动外圆车削 变幅杆 模态分析 谐响应分析 设计刀杆 

分 类 号：TG712[金属学及工艺—刀具与模具] TG511