钛合金薄壁件高速超声椭圆振动铣削机理和试验

doi:10.13700/j.bh.1001-5965.2018.0712

北京航空航天大学学报 ›› 2019, Vol. 45 ›› Issue (8): 1606-1612.doi: 10.13700/j.bh.1001-5965.2018.0712

钛合金薄壁件高速超声椭圆振动铣削机理和试验

张明亮^1,2, 张德远^1,3, 刘佳佳¹, 高泽¹, 韩雄⁴

1. 北京航空航天大学机械工程及自动化学院, 北京 100083;
2. 北京航空航天大学沈元荣誉学院, 北京 100083;
3. 北京航空航天大学生物医学工程高精尖创新中心, 北京 100083;
4. 航空工业成都飞机工业(集团)有限责任公司, 成都 610073

收稿日期:2018-12-02 出版日期:2019-08-20 发布日期:2019-09-06
通讯作者: 张德远 E-mail:zhangdy@buaa.edu.cn
作者简介:张明亮男,博士研究生。主要研究方向:超声铣削、生物制造;张德远男,博士,教授,博士生导师。主要研究方向:难加工材料高效加工技术、振动切削与功率超声技术。
基金资助:
国家自然科学基金（51475031）

Mechanism and experiment of high-speed ultrasonic elliptical vibration milling of thin-walled titanium alloy parts

ZHANG Mingliang^1,2, ZHANG Deyuan^1,3, LIU Jiajia¹, GAO Ze¹, HAN Xiong⁴

1. School of Mechanical Engineering and Automation, Beihang University, Beijing 100083, China;
2. Shenyuan Honors College, Beihang University, Beijing 100083, China;
3. Beijing Advanced Innovation Center for Biomedical Engineering, Beihang University Beijing 100083, China;
4. AVIC Chengdu Aircraft Industrial(Group) Co., Ltd., Chengdu 610073, China

Received:2018-12-02 Online:2019-08-20 Published:2019-09-06
Supported by:
National Natural Science Foundation of China (51475031)

摘要/Abstract

摘要： 针对航空领域中钛合金薄壁件在铣削过程中存在加工精度差、加工效率低等问题，提出了钛合金薄壁件高速超声椭圆振动铣削的方法。首先，在铣削加工中引入高速超声振动切削理念，使切削刀具刀尖附加椭圆振动进行超声频断续切削，可改善加工质量且突破了超声振动加工对临界速度的限制。然后，分析了该方法的分离原理，采用独立研制的超声椭圆振动铣削刀柄装置针对钛合金薄壁件进行了切削试验。试验结果显示，高速超声椭圆振动铣削相较于普通铣削，切削力降低20%~30%，且已加工表面让刀量降幅20%~30%，表面缺陷减少，表面粗糙度降低。

关键词: 高速超声椭圆振动, 铣削, 钛合金薄壁件, 切削力, 让刀量

Abstract: A high-speed ultrasonic elliptical vibration milling method is proposed for poor processing quality and low processing efficiency in milling of thin-walled titanium alloy parts in aerospace. Firstly, high-speed ultrasonic elliptic vibration milling combines high-speed ultrasonic vibration cutting concept with milling. A high-frequency intermittent cutting where the cutting tool tip moves in accordance with the elliptical trajectory can effectively improve the quality of machining and break through the limitations of the ultrasonic vibration processing on the critical speed. Then, the separation principle of the process is analyzed, and a self-developed ultrasonic vibration milling device is used in the experiment with thin-walled titanium alloy parts. The experimental results show that, compared to the common milling processing, the cutting force reduction and the relieving amount reduction for high-speed ultrasonic elliptical vibration milling method are both about 20% to 30%, and meanwhile the surface defects and roughness are cut down.

Key words: high-speed ultrasonic elliptical vibration, milling, thin-walled titanium alloy parts, cutting force, relieving amount

中图分类号:

V261

张明亮, 张德远, 刘佳佳, 高泽, 韩雄. 钛合金薄壁件高速超声椭圆振动铣削机理和试验[J]. 北京航空航天大学学报, 2019, 45(8): 1606-1612.

ZHANG Mingliang, ZHANG Deyuan, LIU Jiajia, GAO Ze, HAN Xiong. Mechanism and experiment of high-speed ultrasonic elliptical vibration milling of thin-walled titanium alloy parts[J]. JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2019, 45(8): 1606-1612.

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钛合金薄壁件高速超声椭圆振动铣削机理和试验

Mechanism and experiment of high-speed ultrasonic elliptical vibration milling of thin-walled titanium alloy parts

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