After long-term application on hot wide strip mills, varying contact rolling technology was proved to be effective in strip profile and flatness improvement roll consumption reduction and increase of rolled product length of rolling cycle.

• 通过在宽带钢热连轧机上的长时间应用证明：变接触轧制技术可以显著改善轧后带钢的板形质量、降低轧辊消耗和增加轧制单位公里数。