1. This paper introduces the hot rolling technology of the bead for the small tractor in place of casting technology, the design of the cavity of the roller, the choice of the parting plane and arrangement angle, the instalment of the approach.
介绍550-17小拖压条制造由铸造工艺改为热轧制工艺的方法，阐述轧辊型槽设计的原则，分型面与排布角度的选择及导道安装。