Simulated and Experimental Study on Attenuation Process of the Surface Topography of Cold Rolling Work Rolls with Cellular Automaton

doi:10.3901/JME.2020.03.207

Abstract

Abstract: In order to understand the attenuation characteristics of the surface topography of textured cold rolling work rolls, a simulation model for the attenuation process is built with the cellular automaton theory. In the model, the amount of adhesive wear for work roll surface is calculated with Archard wear theory, while the amount of abrasive wear is calculated with brittle fracture mechanism, then the shape and location of the random abrasive particle are decided by the Monte Carlo method and shooting method. According to the real industrial rolling process parameters and the work roll surface topography testing data, a friction wear experiment is also carried out to simulate the wear process of work roll surface topography in cold rolling, which helped to verify the simulation model's effectiveness. With the cellular automaton model, the amplitude characteristics, spatial characteristics, comprehensive characteristics, and the functional characteristics are studied, which showed the attenuation process of the surface topography of cold rolling work rolls clearly, and offered the assistance for the research and control of the work roll surface wear, and further for the strip surface topography control during cold rolling.

Key words: cold rolling, textured work rolls, surface topography, wear, cellular automaton

CLC Number:

TB335

LI Hongbo, XIA Chunyu, ZHANG Jie, KONG Ning. Simulated and Experimental Study on Attenuation Process of the Surface Topography of Cold Rolling Work Rolls with Cellular Automaton[J]. Journal of Mechanical Engineering, 2020, 56(3): 207-215.

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