镐形截齿合金头焊接处的应力分布规律研究

Research on Stress Distribution Law in Carbide Tip Welding Place of Point Pick

利用有限元软件Abaqus对镐形截齿受载时的应力分布进行了计算,得到了截齿应力分布的规律,为截齿的改进设计提供依据。利用耦合接触算法模拟合金头与齿身之间的焊接,得到接触区域的应力分布规律,为镐形截齿的加工制造提供一定的指导作用。研究方法和结果对提高截齿的可靠性和延长使用寿命具有重要的意义。

Stress distribution of point pick under loads was calculated using the finite element software Abaqus,the law of stress distribution of point pick obtained can provide some basis for designing and improving it.The welding between carbide tip and pick body was simulated with coupling contact algorithm,the law of stress distribution in contact space obtained can provide certain instruction function for pick processing and manufacturing.Research method and results have great significance to improve the reliability and prolong service life of point pick.