Lubrication in strip cold rolling process

Jianlin Sun, Yonglin Kang, Tianguo Xiao, Jianze Wang

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    Jianlin Sun, Yonglin Kang, Tianguo Xiao, and Jianze Wang, Lubrication in strip cold rolling process, J. Univ. Sci. Technol. Beijing , 11(2004), No. 4, pp.368-372.
    Jianlin Sun, Yonglin Kang, Tianguo Xiao, and Jianze Wang, Lubrication in strip cold rolling process, J. Univ. Sci. Technol. Beijing , 11(2004), No. 4, pp.368-372.
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    Materials

    Lubrication in strip cold rolling process

    • Materials Science and Engineering School, University of Science and Technology Beijing, Beijing 100083, China

      通信作者:

      Jianlin Sun E-mail: sun-jl@263.net

    中文摘要

    A lubrication model was developed for explaining how to form an oil film in the deformation zone, predicting the film thickness and determining the characteristics of lubrication in the strip rolling process, combined with the knowledge of hydrodynamic lubrication and rolling theorievS. Various mineral oils with viscosities from 0.032 to 1.6 Pa·s were used to obtain different film thicknesses in the strip cold rolling. Results from the experiment and calculation show that the oil film forming in hydrodynamic lubrication is up to the bit angle and a higher rolling speed or a higher rolling oil viscosity. The mechanism of mechanical entrainment always affects ihe film thickness lhat increases with the rolling oil viscosity increasing or the reduction rate decreasing in rolling.

     

    Materials

    Lubrication in strip cold rolling process

    Author Affilications

      • Materials Science and Engineering School, University of Science and Technology Beijing, Beijing 100083, China

    • Received: 01 September 2003;
    A lubrication model was developed for explaining how to form an oil film in the deformation zone, predicting the film thickness and determining the characteristics of lubrication in the strip rolling process, combined with the knowledge of hydrodynamic lubrication and rolling theorievS. Various mineral oils with viscosities from 0.032 to 1.6 Pa·s were used to obtain different film thicknesses in the strip cold rolling. Results from the experiment and calculation show that the oil film forming in hydrodynamic lubrication is up to the bit angle and a higher rolling speed or a higher rolling oil viscosity. The mechanism of mechanical entrainment always affects ihe film thickness lhat increases with the rolling oil viscosity increasing or the reduction rate decreasing in rolling.

     

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