微坑织构刀具切削Ti-6Al-4V性能仿真研究  

Simulation Research on Performance of Micro Pit Texture Tool in Cutting Ti-6Al-4V

作　　者：师锦涛 赵玮凡 沙小淇 李金泉[1] Shi Jintao;Zhao Weifan;Sha Xiaoqi;Li Jinquan

机构地区：[1]沈阳理工大学机械工程学院

出　　处：《工具技术》2024年第10期83-87,共5页Tool Engineering

基　　金：国家自然科学基金(51775357);沈阳理工大学国防科技创新团队培育建设计划(SYLUGFTD202102)。

摘　　要：为揭示刀具表面织构形貌对刀具切削性能的影响,以微坑织构和无织构硬质合金刀具为研究对象,使用仿真软件AdvantEdge建立Ti-6Al-4V三维正交切削模型,研究不同微坑直径对刀具切削力、切削温度的影响。结果表明,直径为70μm的微坑织构刀具的综合切削性能更好,主切削力和背向力分别降低了14.3%和15.2%,同时前刀面高温区域面积小且峰值温度低。微坑织构刀具在不产生衍生切削的前提下,微坑直径越大,刀—屑接触面积越小,刀具切削性能越好。In order to reveal the influence of tool surface texture morphology on cutting performance of the tool,the simulation software AdvantEdge is used to establish Ti-6Al-4V three-dimensional orthogonal cutting model with micro pit texture and non texture carbide tools as the research object,studying the influence of micro pit texture cutting tools with different diameters on cutting force and cutting temperature.The results show that the overall cutting performance of the 70μm micro pit texture tool is better,the main cutting force and back force are reduced by 14.3%and 15.2%,respectively,and the high temperature area of the front tool surface is small and the peak temperature is low.Under the premise of no derivative cutting,the larger the diameter of the micro pit and the smaller the tool-chip contact area,the better the cutting performance of the tool is.

关 键 词：微织构 钛合金 仿真 切削性能 

分 类 号：TG712[金属学及工艺—刀具与模具] TH122[机械工程—机械设计及理论]