采用新材料铸轧辊辊套提高了带坯通过量，分析了影响板形的各种因素，解决了铸轧生产中的鼓包问题。
Productivity is increased by using new material cast roll shell. The factors influencing shape are analysed. The problems at work are discovered.
高碳高速钢是取代普通耐磨合金制造轧辊的新材质，淬火高速钢辊套硬度高，内孔加工性能差。
High carbon high speed steel (HSS) is a new material replacing common wear resistant alloy. Quenched high speed steel roll sleeve has high hardness and poor workability.
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