我厂制成车间１＃水泥磨进料端巴氏合金瓦于２０００年 ２月烧研，中空轴严重拉伤，必须将磨头拆下，将空心轴表面精车后才能继续使用。但是在拆卸磨头的工作中，碰到了磨头与筒体法兰的联接螺栓无法取出的问题，后来采用了氧矛吹孔的方法将螺栓轻松取出，下面将这一方法简介如 I plant made workshop 1 # cement mill feed side of Babbitt tile burning in February 2000 research, severe hollow shaft strain, the grinding head must be removed, the hollow shaft surface after the fine car can continue to use. However, the work of dismantling the grinding head, met the grinding head and the flange of the coupling bolt can not be removed, and later adopted a method of oxygen spear blowing holes will be easily removed, the following brief introduction of this method such as