基于ABAQUS的锯齿形切屑形成机理分析与实验研究（英文）
发布时间：2024-05-18 07:14
锯齿形切屑的形成会导致机床振动,使刀具的切削性能下降,降低工件的加工质量,因此需要对其形成机理进行分析,合理优化切削参数,减少锯齿形切屑的形成机率。本文利用ABAQUS软件对钛合金的加工过程进行仿真分析,模拟锯齿形切屑的形成机理,并在不同切削条件下进行仿真和实验研究,讨论切削参数对切屑锯齿化程度的影响。结果表明,随着切削速度和进给量的增加,切屑的锯齿化程度逐渐增大,随着刀具前角的增大,切屑的锯齿化程度逐渐减小。研究结果对提高工件加工质量以及设计工艺参数有一定指导作用。
【文章页数】：6 页
【文章目录】：
1 Introduction
2 Forming mechanism and geometric characterization of serrated chip
2.1 Mechanism of serrated chip formation
2.2 Geometric characterization of chip morphology
2.2.1 Chip thickness compression ratio
2.2.2 Degree of serration
3 Establishment and analysis of finite element model
3.1 Simulation model
3.2 Establish of the constitutive model
3.3 Analysis of simulation results
4 Experimental tests
4.1 Influence of cutting speed on serrated degree
4.2 Influence of feed rate on serrated degree
4.3 Influence of tool rake angle on serrated degree
5 Conclusions
本文编号：3976630
【文章页数】：6 页
【文章目录】：
1 Introduction
2 Forming mechanism and geometric characterization of serrated chip
2.1 Mechanism of serrated chip formation
2.2 Geometric characterization of chip morphology
2.2.1 Chip thickness compression ratio
2.2.2 Degree of serration
3 Establishment and analysis of finite element model
3.1 Simulation model
3.2 Establish of the constitutive model
3.3 Analysis of simulation results
4 Experimental tests
4.1 Influence of cutting speed on serrated degree
4.2 Influence of feed rate on serrated degree
4.3 Influence of tool rake angle on serrated degree
5 Conclusions
本文编号：3976630
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