超音频脉冲TIG焊电源拓扑及电弧焊适用性

齐铂金; 许海鹰; 黄松涛; 张 伟

超音频脉冲TIG焊电源拓扑及电弧焊适用性

北京航空航天大学机械工程及自动化学院, 北京 100191

详细信息

作者简介:
齐铂金(1963-),男,湖南湘潭人,教授,qbj@buaa.edu.cn.

中图分类号: TG 444⁺.74
计量
- 文章访问数: 3217
- HTML全文浏览量: 74
- PDF下载量: 1129
- 被引次数: 0
出版历程
- 收稿日期: 2008-02-18
- 网络出版日期: 2009-01-31

Ultrasonic frequency pulse tungsten inert gas welding power source topology and welding applicability

School of Mechanical Engineering and Automation, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

摘要

摘要: 研制出一台超音频直流脉冲TIG(Tungsten Inert Gas)焊电源,对该电源的拓扑结构及工作原理进行了介绍.与常规直流TIG焊电源相比,该电源可输出不同频率、均具有陡峭的上升、下降沿的脉冲电流,电流变化率大于50A/μs.该电源的基值电流、峰值电流、脉冲电流频率、占空比等焊接工艺参数调节方便,使该电源不仅能够焊接薄板,而且能够适用于中厚板的焊接.通过对比常规直流TIG焊和超音频直流脉冲TIG焊焊接的1Cr18Ni9Ti奥氏体不锈钢焊缝的微观组织,发现采用超音频直流脉冲TIG焊工艺的焊缝粗晶区变窄,晶粒细化现象显著.试验结果表明:所研制的超音频脉冲TIG焊电源具有良好的弧焊适用性.
- 超音频脉冲 /
- TIG焊 /
- 细化晶粒
Abstract: An ultrasonic frequency pulse tungsten inert gas welding power source was developed. The power source topology and work principle were introduced. By contrast with current waves output from conventional tungsten inert gas welding power source, faster rising and falling pulse current edges were output from this power source at every ultrasonic pulse frequency. The pulse current change rate was up to 50A per microsecond. The power source was suited for welding not only sheet metal, but also medium and thick metal for base current, peak current, duty, pulse current frequency and other weld technology parameters expediently adjusted. By comparing with 1Cr18Ni9Ti austenitic stainless steel joints welded by conventional tungsten inert gas welding, these joints welded by the ultrasonic frequency pulse tungsten inert gas welding were shown grain refinement and narrow coarse grain zone in weld beads. The experiment results show that the ultrasonic frequency pulse tungsten inert gas welding power source is applicable to arc welding.
- ultrasonic frequency pulse /
- tungsten inert gas welding /
- grain refinement

HTML全文

参考文献(1)

[1]姜焕中．电弧焊及电渣焊[M]．北京：机械工业出版社，1988:165-168 Jiang Huanzhong. Electric arc welding & electroslag welding[M]. Beijing:China Machine Press,1988:165-168 (in Chinese)  [2]赵家瑞，司树恒．模拟型晶体三极管焊接电源的研制[J]．天津大学学报，1981（4）:71 - 82 Zhao Jiarui, Si Shuheng.The research and manufacture of a new transistor welding power source[J]. Journal of Tianjin University, 1981(4):71-82(in Chinese)  [3]Jin Onuki, Yoshisa Anazawa, Masayasu Nihei, et al. Development of a new highfrequency, highpeak current power source for high constricted arc formation[J]. Jpn J Appl Phys,2002(41）5821-5826  [4]赵家瑞，李义丹．高频脉冲TIG焊的电弧控制及高频效应[J]．天津大学学报，1989（3）:25-32 Zhao Jiarui, Li Yidan. Control over arc of pulsed high frequency tig welding and high frequency effect [J]. Journal of Tianjin University,1989(3):25-32(in Chinese)  [5]齐铂金，许海鹰，黄松涛．超音频方波直流脉冲弧焊电源装置：中国，200710120831．2 [P]．2007-08-27 Qi Bojin, Xu Haiying, Huang Songtao. Ultrasonic pulse TIG welding power source: Chinese, 200710120831.2[P].2007-08-27(in Chinese)  [6]雅文萃．高强铝合金高频脉冲钨极氦弧焊的研究[J]．焊接学报，1982，13（4）:171-178 Ya Wencui. A study of high frequency pulsed current helium gas tungsten arc welding of highstrength aluminum alloy[J]. Transactions of the China Welding Institution,1982,13(4):171-178(in Chinese)

施引文献

资源附件(0)

访问统计