钛合金薄壁件超声椭圆振动铣削研究

doi:10.3969/j.issn.1000-1093.2014.11.022

兵工学报 ›› 2014, Vol. 35 ›› Issue (11): 1891-1897.doi: 10.3969/j.issn.1000-1093.2014.11.022

钛合金薄壁件超声椭圆振动铣削研究

姜兴刚¹, 梁海彤¹, 卢慧敏¹, 代建队², 张德远¹

（1.北京航空航天大学机械工程及自动化学院，北京 100191；

收稿日期:2014-01-14 修回日期:2014-01-14 上线日期:2015-01-05
作者简介:姜兴刚（1970—），男，副教授，硕士生导师
基金资助:
国家自然科学基金项目（51475031）；国家自然科学基金青年科学基金项目（51305018）

Investigation of Ultrasonic Elliptical Vibration Milling of Thin-walled Titanium Alloy Parts

JIANG Xing-gang¹, LIANG Hai-tong¹, LU Hui-min¹, DAI Jian-dui², ZHANG De-yuan¹

(1.School of Mechanical Engineering and Automation, Beihang University, Beijing 100191, China;2.Beijing Institute of Space Lunch Technology, Beijing 100076, China)

Received:2014-01-14 Revised:2014-01-14 Online:2015-01-05

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切削力大、加工精度低等问题，提出了超声椭圆振动铣削方法进行钛合金薄壁件的加工。超声椭圆振动铣削时，刀尖的特殊运动轨迹使刀尖具有高线速度特性和高频断续切削特性，平均切削力大为降低，从而增强了铣刀的切削能力，提高了切削加工精度。利用自制的超声铣削刀柄系统，对钛合金试件进行铣削实验，结果表明与普通铣削相比，超声椭圆振动铣削的切削力可降低达50%，零件的形位精度得到了显著提高。

关键词: 机械制造工艺与设备, 超声椭圆振动铣削, 钛合金薄壁件, 高速切削

Abstract: An ultrasonic elliptical vibration milling (UEVM) method is proposed for low precision and large cutting force in milling of thin-walled titanium alloy part. The equation set of ultrasonic vibration milling tool tip trajectory is given. The linear speed characters of tool nose and the mechanism of cutting force reduction are analyzed. In the experiment of comparing milling with regular milling (RM) with an ultrasonic elliptical vibration milling cutter shank system which is self-developed, it is proved that the ultrasonic elliptical vibration milling has outstanding characteristics in reducing the cutting force, restraining tool offset and improving the precision. The possible reasons causing these characters are also given. Because of its excellent features, the ultrasonic elliptical vibration milling could be a new way to solve the problem in milling thin-walled titanium alloy part.

Key words: manufacturing technology and equipment, ultrasonic elliptical vibration milling, thin-walled titanium alloy part, high speed cutting

中图分类号:

TH161

姜兴刚, 梁海彤, 卢慧敏, 代建队, 张德远. 钛合金薄壁件超声椭圆振动铣削研究[J]. 兵工学报, 2014, 35(11): 1891-1897.

JIANG Xing-gang, LIANG Hai-tong, LU Hui-min, DAI Jian-dui, ZHANG De-yuan. Investigation of Ultrasonic Elliptical Vibration Milling of Thin-walled Titanium Alloy Parts[J]. Acta Armamentarii, 2014, 35(11): 1891-1897.

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钛合金薄壁件超声椭圆振动铣削研究

Investigation of Ultrasonic Elliptical Vibration Milling of Thin-walled Titanium Alloy Parts

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