目前,球铁轴瓦产生严重的端磨,是当前铁路运输中的一个主要问題。就我们南京调车場列检所历来所处理到的轴溫高故障中,由于轴瓦端磨而造成的约占85％以上,由此而处理不当的复燃也占有相当大的一部 At present, the ductile iron bushings produce serious end mill, which is a major problem in the current railway transportation. In our investigation of the Nanjing Shunting Inspection Center, the shaft temperature high fault that has been dealt with in the past has caused about 85% or more of the shaft-bearing grinding. As a result, improper handling of re-ignition also occupies a considerable portion