钛合金超声椭圆振动车削刀具参数的三维仿真

Proceedings of the 2019 International Conference on Robotics, Intelligent Control and Artificial Intelligence Pub Date : 2019-09-20 DOI:10.1145/3366194.3366253

Jiaxin Chen, Minliang Zhang

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引用次数: 1

摘要

本文建立了TC4钛合金Abaqus热应力耦合的三维正交切削模型。在x轴和y轴上施加位移激励，形成超声椭圆振动切割(UEVC)。采用单因素法研究了前角、间隙角等刀具参数对切削力和切削温度的影响。结果表明，当刀具前倾角超过32°时，刀具的切削力和温度急剧增加，对刀具的使用寿命有本质的影响。因此，在车削钛合金时，将刀具前倾角控制在32°以内对于延长刀具的使用寿命至关重要。切削力和切削温度随刀具前倾角的增大而增大，随刀具间隙角的增大而减小。研究结果为钛合金超声椭圆振动车削时刀具几何角度的选择提供了参考。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Three-dimensional simulation of tool parameters for ultrasonic elliptical vibration turning of titanium alloy

In this paper, a three-dimensional orthogonal cutting model of Abaqus thermal stress coupling is established for TC4 titanium alloy. Displacement excitation is applied to X-axis and Y-axis to form ultrasonic elliptical vibration cutting (UEVC). The influence of tool parameters such as rake angle and clearance angle on cutting force and cutting temperature is studied by single factor method in this process. The results show that when the rake angle of the tool exceeds 32°, the cutting force and temperature of the tool increase sharply, which has a essential impact on the service life of the tool. Therefore, it is vital to control the rake angle of the tool less than 32° for prolonging the service life of the tool when turning titanium alloy. The cutting force and the cutting temperature increase with the increase of tool rake angle and decrease with the increase of tool clearance angle. The results provide a reference for choosing the geometric angles of the tool for ultrasonic elliptical vibration turning of titanium alloy.

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Proceedings of the 2019 International Conference on Robotics, Intelligent Control and Artificial Intelligence

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