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摘要:In this paper,a new type of friction stir welding(FSW)robot is introduced for the welding of large complex thin-walled cured surface.The welding mechanism of the FSW robot is different from the ordinary mechanical processing,which has extremely bad mechanical load at the mixing head.Insufficient stiffness of the welding equipment may have serious influence on the geometry precision of welding.Through the analysis of multibody system simulation,the ram structure,which is most sensitively affected by welding load,is equivalent to flexible body.The stiffness of joint is taken into account to set up the rigid-flexible coupling dynamic model of the whole robot,and the displacement error of spindle end face is simulated under the worst working condition(melon-disk welding condition).A kind of effective assessment method is provided for the stiffness and welding precision of the FSW robot.
会议名称:

2016年第二届能源设备科学与工程国际学术会议

会议时间:

2016-11-12

会议地点:

中国广东广州

  • 专辑:

    理工B(化学化工冶金环境矿业); 电子技术及信息科学

  • 专题:

    金属学及金属工艺; 自动化技术

  • 分类号:

    TG439.8;TP242

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