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A Model for Surface-Film Lubricated Cold Rolling Incorporating Interdependence of Mechanics, Heat Transfer and Surface-Film Lubrication

[+] Author and Article Information
Liming Chang

Department of Mechanical and Nuclear Engineering, The Pennsylvania State University, University Park, PA 16802, USA; Department of Mechanical Engineering, National Chung Cheng University, Ming-Hsiung, Chia-Yi 621, Taiwan
Lxc20@psu.edu

Yeau-Ren Jeng

Department of Mechanical Engineering, National Chung Cheng University, Ming-Hsiung, Chia-Yi 621, Taiwan
imeyrj@ccu.edu.tw

1Corresponding author.

ASME doi:10.1115/1.4040595 History: Received January 10, 2018; Revised June 17, 2018

Abstract

This paper aims to establish a theoretical feasibility of metal cold rolling with only surface-film boundary lubrication. To this end, a mathematical model for surface-film lubricated cold rolling is developed. It is formulated to factor in the interdependence of mechanics, heat transfer and surface-film lubrication with three sub-models: the lubrication-friction model, the stress-deformation model and the thermal model. Governing equations are obtained based on fundamental physics of the rolling process and tribo-chemistry of the surface-film lubrication. The equations are solved simultaneously with full numerical methods of solutions. Sample results are presented to evaluate the model and to show the theoretical potential of the surface-film lubrication for cold rolling. The model may be used as a theoretical tool to aid the research and development of surface-film lubrication technology for cold rolling. It may be further developed in conjunction with precision experiments.

Copyright (c) 2018 by ASME
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