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Technical Brief

On the Feasibility of Surface-Film Lubricated Cold Rolling Without Liquid-Phase Cooling

[+] Author and Article Information
Liming Chang

Advanced Institute of Manufacturing
With High-Tech Innovations,
National Chung Cheng University,
Ming-Hsiung, Chia-Yi 621, Taiwan;
Department of Mechanical and Nuclear Engineering,
The Pennsylvania State University,
University Park, PA 16802
e-mail: lxc20@psu.edu

Yeau-Ren Jeng

Advanced Institute of Manufacturing
With High-Tech Innovations,
National Chung Cheng University,
Ming-Hsiung, Chia-Yi 621, Taiwan
e-mail: imeyrj@ccu.edu.tw

1Corresponding author.

Contributed by the Tribology Division of ASME for publication in the Journal of Tribology. Manuscript received September 8, 2018; final manuscript received January 10, 2019; published online February 26, 2019. Assoc. Editor: Stephen Boedo.

J. Tribol 141(5), 054501 (Feb 26, 2019) (5 pages) Paper No: TRIB-18-1377; doi: 10.1115/1.4042659 History: Received September 08, 2018; Accepted January 12, 2019

This tech brief presents some basic theory and calculations to help assess the feasibility of surface-film lubricated dry skin pass of metal strips to enhance surface finish after cold-rolling operations. Results are presented of the required rate of heat removal from the rolling apparatus and the maximum rise of roll surface temperature for steel and aluminum strips under various parametric conditions of practical interest. The theory and the calculation tool may be used to perform analyses with other material, geometry, and operating parameters and to assist the design and development of surface-film lubricated dry skin-pass processes.

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References

Sutcliffe, M. P. F., and Johnson, K. L., 1990, “Lubrication in Cold Strip Rolling in the ‘Mixed’ Regime,” Proc. Inst. Mech. Engrs., 204, pp. 249–261. [CrossRef]
Wilson, W. R. D., and Sheu, S., 1988, “Real Area of Contact and Boundary Friction in Metal Forming,” Int. J. Mech. Sci., 30, pp. 475–489. [CrossRef]
Sutcliffe, M. P. F., 1988, “Surface Asperity Deformation in Metal Forming Processes,” Int. J. Mech. Sci., 30, pp. 847–868. [CrossRef]
Ahmed, R., and Sutcliffe, M. P. F., 2000, “Identification of Surface Features on Cold-Rolled Stainless Steel Strip,” Wear, 244, pp. 60–70. [CrossRef]
Sutcliffe, M. P. F., 2002, “Surface Finish and Friction in Cold Metal Rolling,” Metal Forming Science and Practice, J. G. Lenard, ed., Elsevier, UK.
Smits, R. P. J. M., and Smeulders, J. B. A. F., 2016, “Surface Microstructure of Normal and Defected Cold Rolled Sheet, Investigated by SEM/EDS and Surface Profilometry,” Cold Sheet Rolling, Processing, Coating & Finishing, AIST 2016 North American Galvanizing Lines Roundup.
Johnson, K. L., 1985, Contact Mechanics, Cambridge University Press, Cambridge.
Chang, L., and Jeng, Y. R., 2018, “A Model for Surface-Film Lubricated Cold Rolling Incorporating Interdependence of Mechanics, Heat Transfer and Surface-Film Lubrication,” ASME J. Tribol., 141, 012202. [CrossRef]
Bowden, F. P., and Tabor, D., 1954, The Friction and Lubrication of Solids, Part I, Oxford University Press, London.
Stachowiak, G. W., and Batchelor, A. W., 2013, Engineering Tribology, 4th ed., Elsevier Butterworth-Heinemann, Oxford.

Figures

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Fig. 1

Schematic of strip rolling [7]

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Fig. 2

Some key results for the basic calculations

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Fig. 3

Parametric analysis with strip yield stress

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Fig. 4

Parametric analysis with the reduction ratio of strip thickness

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Fig. 5

Parametric analysis with rolling velocity

Tables

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