不同类型的轧机以及同类型而使用条件不同的轧机，对所用的轧辊性能要求不尽雷同，crane哪里有，如方坯和板坯初轧机轧辊要具有好的扭转和弯曲强度、韧性、咬入性、抗热裂性和热冲击性以及耐磨性；而热带精轧机架要求轧辊辊面的高硬度、抗压痕、耐磨、抗剥落和耐热裂等性能。

Different types of rolling mill and the same type and the use of different conditi on properties of roll mill， requirements for not identical， such as billet and slab mill roll with good torsional and bending strength， toughness， bite， thermal cracking resistance and thermal shock resistance and abrasion resistance; tropical finishing stand requirements the roller surface hardness，crane生产， wear resistance， spalling resistance， indentation resistance and thermal cracking performance.

焊接时堆焊成败的关键环节，要获得理想的堆焊层必须综合考虑某些可变因素，crane，如：焊接电压、焊接速度、轧辊转速、轧辊的保温、焊接电流、焊接材料等，对一些含碳及合金元素高的辊芯，为防止脆性区的裂纹，除一定的预热措施外，多采用低碳低合金过渡层进行预先堆焊过渡层。

In order to obtain an ideal surfacing layer， some variable factors must be cidered， such as welding voltage， welding speed， roll speed，crane报价， roll insulation， welding current， welding material and so on. Some roll cores with high carbon and alloy elements， in order to prevent cracks in brittle zone， h***e to be cidered in order to obtain ideal surfacing layer. In addition， the low carbon low alloy transition layer is used to pre weld the transition layer.

轧辊是轧机的核心部件，轧辊的使用涉及轧机使用时的类型选择、轧辊的准备、在轧制过程中的维修和周期性修整，而这些都全是影响轧机生产率、产品质量和生产经济性的因素。

Roll is the core part of the rolling mill. The use of the roll involves the type selection of the rolling mill， the preparation of the roll， the maintenance and the periodic dressing during the rolling process， all of which are all factors that affect the productivity of the rolling mill， the quality of the product and the production economy.

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