The improved external arc rollbody is provided with a cooling groove; the cooling groove is uniformly distributed on the rollbody.
改进后所述外弧辊辊身上设有冷却槽,冷却槽呈环形均布在辊身上。
2
Roll fracture often takes place in hot rolling section steel. The fracture position is mainly located at the roll caliber, roll neck and boundary between the roll neck and rollbody.
热轧型钢过程中经常发生轧辊断裂现象,断裂部位主要在轧辊的孔型处、辊颈处及辊颈与辊身交界处。
3
The results showed that the higher internal stress and serious carbide network in the banded carbide in the inner rollbody were the main causes of heavy back-up roll stationary cracking.