• Manoj Kumar Department of Mechanical Engineering, Echelon Institute of Technology Faridabad, Haryana-121101, India
  • Jyoti Raman Maa Yashodhara Private Industrial Training Institute Sambhuganj, District: Banka, Bihar -813211,India
  • Priya Maa Yashodhara Private Industrial Training Institute Sambhuganj, District: Banka, Bihar -813211,India


Metal rolling, Mixed regime, Roll deformation


A model of lubricated cold strip rolling (1, 2) is presented to the thin foil regime. The model considers the evolution of asperity geometry and lubricant pressure through the bite, treating the strip using a conventional slab model. The elastic deflections of the rolls are coupled into the problem using an elastic finite element model. A novel modification to these standard friction laws is used to mimic slipping friction in the reduction regions and sticking friction in a central neutral zone. Results are calculated for typical industrial conditions, rolling aluminium foil from a thickness of 50 to 25 µm. In a short inlet region the pressure rises in the lubricant until bulk yielding takes place. Finally it is suggested that in many circumstances it would be appropriate to simplify the model by calculating the details of the tribology only in the short inlet region. This would improve convergence and robustness considerably.


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How to Cite

Manoj Kumar, Jyoti Raman, and Priya, “NUMERICAL MODELLING OF LUBRICATED FOIL ROLLING”, JME, vol. 13, no. 4, pp. 216–222, Dec. 2018.