货车滑动轴承燃轴原因分析及防范措施(中)

Lecture Analysis on the Cause of Hot Box on Freight Car Equipped with Plain Bearing and Preventive Measures (2nd Part)

1.2 轴颈质量轴颈经常出现的质量问题有下列4项:轴颈的锥度超限;轴颈两头粗中部细;轴颈后肩与防尘板座连接处旋成倒角,轴领内侧前轴肩旋成直角;轴颈表面粗糙度不合要求。