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Volume 28 Issue 4
Sep.  2013
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Article Navigation >  LASER TECHNOLOGY  > 2004 >  28(4): 445-448

Citation:
shu

The laser welding of the double-linked gear in automobile gear-box

  • 1.

    College of Electromechnical Engineering, Wuhan University of Technology, Wuhan 430063, China;

  • 2.

    Institute of Laser Technology & Engineering, HUST, Wuhan 430074, China

  • Received Date: 2003-06-30
    Accepted Date: 2003-10-08
  • The double-linked gears in automobile gear-box have been welded with high power CO2 laser;several primary parameters affected welding quality have been analyzed;the welded products were analyzed and tested.The appearance of welding seam was perfect without hollow and welding bead.The ratio between depth and width exceeded 2:1;the hot influenced zone is narrow,the molten zone is compact without bug and the micro-hard reaches 450HV which is higher than raw materials. The gears didn't craze by 15kNm tortile test.
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  • [1] 王建中,马麟.变速箱齿轮总成激光焊接工艺研究 [J].热加工工艺,2002(6):62～63.
    [2] 唐霞辉,朱海红,朱国富 et al.厚钢板激光焊接技术 [J].焊接技术,1996(4):32～34.
    [3] 王家金.激光加工技术 [M].北京:计量出版社,1992.403～404.
    [4] 李小平,汤漾平,冯清秀.汽车变速箱齿轮与齿圈激光焊接工艺研究 [J].汽车技术,2000(4):22～24.
    [5] 唐霞辉.高功率CO2激光焊接光致等离子体控制研究 [D].武汉:华中科技大学,2000.34～36.
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  • 1. 

    沈阳化工大学材料科学与工程学院 沈阳 110142

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The laser welding of the double-linked gear in automobile gear-box

  • 1. College of Electromechnical Engineering, Wuhan University of Technology, Wuhan 430063, China;
  • 2. Institute of Laser Technology & Engineering, HUST, Wuhan 430074, China
  • Received Date: 2003-06-30
  • Accepted Date: 2003-10-08
  • Available Online: 2004-07-25

Abstract: The double-linked gears in automobile gear-box have been welded with high power CO2 laser;several primary parameters affected welding quality have been analyzed;the welded products were analyzed and tested.The appearance of welding seam was perfect without hollow and welding bead.The ratio between depth and width exceeded 2:1;the hot influenced zone is narrow,the molten zone is compact without bug and the micro-hard reaches 450HV which is higher than raw materials. The gears didn't craze by 15kNm tortile test.

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