冷轧辊在工作过程中要承受很大的轧制应力，加上轧件的焊缝、夹杂、边裂等问题，容易导致瞬间高温，使工作辊受到强烈热冲击，crane rail，造成裂纹、粘辊、剥落甚至报废。因此，冷轧辊要有抵抗因弯曲应力、扭转应力、剪切应力引起的开裂和剥落的能力，同时也要有高的耐磨性。
Cold roll must bear a lot of rolling stress in the working process， add the weld， inclusion and edge crack of the rolled piece， which can easily lead to instantaneous high temperature， so that the work roll is subjected to strong heat shock， which causes crack， roll， peeling and even scrap. Therefore， the cold roller must resist the ability of cracking and spalling caused by bending stress， torsional stress and shearing stress，crane rail生产厂家， and also has high wear resistance.
轧辊在轧机中的使用效果不但取决于轧辊材质及其冶金质量，还和使用条件、轧辊设计、操作维护有关。不同类型轧机的轧辊使用条件有很大差异，造成差异的因素有：轧机条件。如轧机类型、轧机和轧辊设计、孔型设计、水冷条件和轴承种类等。
The use effect of roll in the rolling mill not only depends on the material and metallurgical quality of the roll， but also is related to the conditi*** of use，crane rail生产， the design of the roll and the operation and maintenance. The use conditi*** of the rolls for different types of rolling mills are very different. The factors that cause the difference are the rolling mill conditi***. Such as rolling mill type， rolling mill and roll design， pass design， water cooling condition and bearing type and so on.
轧辊在制作和运用前的预备工序中会发生剩余应力和热应力。运用时又进一步遭到了各种周期应力的效果，包含有曲折、改变、剪力、接触应力和热应力等。
Residual stresses and thermal stresses will occur in the preparatory process before making and applying rolls. When applied， it is further affected by various cyclic stresses， including twists， changes， shear forces， contact stresses and thermal stresses.
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