The paper discusses the necessity of applying double stepped backup rolls, and describes the methods for calculating the contact length and stepped depth and work roll crown.
论述了采用双阶梯支承辊的必要性。提出了接触长度、阶梯深度及工作辊凸度的计算方法。
By the influence function method the influence of plate width, work roll radius, backup roll radius, work roll crown, backup roll radius and rolling force on gap setting were calculated.
根据影响函数法计算轧辊凸度对辊缝设定的影响，当保持工作辊和支承辊凸度不变，则轧制力与辊系弹性变形呈线性关系，工作辊和支承辊凸度的变化对直线的斜率几乎没有影响。
The application results show that work roll and backup roll designed with this method have good adaptability, and the plate crown and roll consumption have been reduced greatly.
经现场实践应用表明，采用该方法设计出的工作辊、支持辊辊型曲线适应性好，并大大地改善了板凸度和轧辊磨损情况。
This article describes that ZIS, through analysing the elastic deformation of the work roll and supporting roll, optimizes the roll crown.
通过对带钢平整过程中工作辊和支撑辊受力、变形等特点的分析，优化了轧辊辊型。
Excellent work roll cooling and thermal crown control are the effective measures for reducing work roll consumption, controlling plate shape and enhancing production yield.
良好的工作辊冷却及热凸度控制是降低工作辊消耗、控制板型、提高生产收得率的有效措施。
A new work roll contour is advanced which is a linear variable crown (LVC) roll. This roll contour can realize linear ratio of gap crown and strip width.
提出一种新型线性变凸度工作辊辊型即lvc辊型，这种辊型实现了辊缝凸度调节与板宽成线性化。
The spline finite strip method, which has a high precision, was adopted to calculate and predict the work roll temperature field and crown.
采用一种具有较高精度的样条有限条法对轧制过程中工作辊的温度场和热凸度进行计算和预报。
A new work roll contour is advanced which is a linear variable crown (LVC) roll.
提出一种新型线性变凸度工作辊辊型即lvc辊型，这种辊型实现了辊缝凸度调节与板宽成线性化。
The point matching method is used to calculate the roll deformation of four-high aluminum foil mill, work roll's heat crown, foil rolling force and roll kiss rolling being considered.
本文建立了四辊铝箔轧机分割模型，考虑了工作辊温度场、铝箔轧制力不同于带材轧制之处、工作辊边部的压靠。
The thermal crown of work roll affects the quality of hot strip directly. Work roll cooling system and rolling schedule are all related with the thermal crown of work roll.
轧辊热凸度直接影响着热轧带钢的板形质量，而轧辊冷却水系统和轧制计划都与轧辊热凸度有着密切的关系。
Consequenly, if analyzing some familiar work roll thermal crown curve and the reason, it will give important guide to production control process.
着重分析实际生产中常见的一些轧辊热凸度曲线以及这些曲线产生的原因，对生产控制过程产生重要的指导意义。
LVC (Liner Variable contour) is a new type of work roll contour. Gap crown can linearly vary with strip width by use of the contour and strip shape performance can be adjusted through shifting.
工作辊辊型是一种新型辊型，这种辊型实现了辊缝凸度随板宽变化成线性变化，并可以通过窜辊来调节板形性能。
LVC (Liner Variable contour) is a new type of work roll contour. Gap crown can linearly vary with strip width by use of the contour and strip shape performance can be adjusted through shifting.
工作辊辊型是一种新型辊型，这种辊型实现了辊缝凸度随板宽变化成线性变化，并可以通过窜辊来调节板形性能。
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