金属薄板的冷轧,近代多在四辊可逆轧机或连轧机上进行。所用轧辊(每一机架有一对工作辊和一对支撑辊)承受着复杂而繁重的应力:有制造过程主要是热处理造成的残余应力,有使用过程中主要是工作辊与轧材和支撑辊之间相互作用的接触应力和热应力。这些应力的综合作用,对轧辊的寿命和轧材的质量有很大影响,尤其是接触应力影响更大。在使用过程中,轧辊辊身表层所受 Cold-rolled sheet metal, mostly in the four-roll reversing mill or continuous rolling mill. The rolls used (one pair of work rolls and one pair of backup rolls for each frame) are subject to complicated and heavy stresses: the manufacturing process is mainly caused by the residual stress caused by the heat treatment, and the working process mainly includes the work roll, the rolling material and the backup roll The interaction between the contact stress and thermal stress. The combined effect of these stresses has a great influence on the life of the roll and the quality of the rolled material, especially the contact stress. During use, the surface of the roller roll body suffered