本文介绍了热轧机托辊的型筒设计、浇注工艺。分析了纵向裂纹产生的原因,并采取了措施,减少离心机的震动,改进了底板与基础的连接,获得合格的铸件。 This article introduces the design and pouring process of the cylinder of the hot roller. The causes of the longitudinal cracks were analyzed and measures were taken to reduce the vibration of the centrifuge and improve the connection between the base plate and foundation to obtain qualified castings.