Abstract
This paper investigates the correlation between strip surface roughness and the surface of a temper mill work roll. As the actual temper mill is used, this data will be adopted to another actual temper mill for the application and operation of this experiment. The conclusions are as follows: The electro-discharge texturing (EDT) roll has a homogeneous roughness distribution and shape, and also a sinuous peak surface, and the life time is 2 times longer than that of the shot blast texturing (SBT) method. The higher the surface roughness of the work roll, the more time is necessary for the electro-discharge texturing method. But the shot blast texturing cannot control peak counts and produces irregular surface quality. The roughness of the shot blasting texturing roll is less uniform compared to that of the electro-discharge texturing roll because the work roll roughness is transferred to the temper rolled strip. It also produces a more desirable image and greater clarity to the color painted steel sheet.
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