轧辊是轧机的重要部件，按照轧机类型可分为领带轧机轧辊、型钢轮机扎辊和钢管轧机轧辊三大类。

板带轧机轧辊的辊身呈圆柱形，热乾板带轧辊的辊身微凹，当受热膨胀时，可保持较好的扳形。

Roll is an important part of the rolling mill. According to the type of rolling mill，sleeper谁家好， it can be divided i* three types: the tie mill roll， the type steel turbine ligation roll and the steel tube rolling mill roll.

The roll body of a strip rolling mill is cylindrical，sleeper价格， and the roll body of the hot dry plate is slightly conc*e. When the heat is expanded， it can maintain a better shape.

而精轧辊速度较高，轧制****终产品要有一定的表面质量，对它以硬度、*等为主要要求。然后考虑轧辊使用时所应有的*性。由于轧辊的磨损机理很复杂，辽阳sleeper，包括机械应力作用、轧制时的热作用、冷却作用、润滑介质的化学作用以及其他作用。

And the high speed of the fine roller， the final product of rolling must h*e a certain surface quality， which is the main requirement for its hardness， wear resistance and so on. Then the wear resistance should be c*idered when the roll is used. Because the wear mechani* of roller is very complicated， including mechanical stress， thermal action during rolling， cooling effect， chemical action of lubricating medium and other functi*.

常用的轧辊材质和用途见表。轧辊的性能和质量一般取决于其化学成分和制造方式并可由其*、物理和力学性能以及存在于轧辊内部的残余应力类型来评估（见轧辊检验）。

The material and use of the commonly used rolls are shown in the table. The performance and quality of roller generally depend on its chemical and manufacturing way， and can be evaluated by its organization， physical and mechanical properties and the type of residual stress existing inside the roll (see roll test).

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