Geometry Effects of Asymmetrical Channel Sections on Common Defects in the Roll Forming Process

علوم کاربردی و محاسباتی در مکانیک

Article 1, Volume 30, Issue 2 - Serial Number 20, November 2019, Pages 1-16   

Document Type: Original Article

DOI: 10.22067/fum-mech.v30i2.73618

Authors

yaser tajik¹; Hasan Moslemi Naeini^{* 1}; Roohollah Azizi Tafti²; davod akbari³; Mohammad Mehdi Kasaei⁴

¹Tarbiat Modares University

²Yazd University

³modares

⁴Islamic Azad University of Qazvin

Abstract

In this research, the twist and the longitudinal bow defects were studied by finite element analysis in the asymmetrical channel sections. Effects of the geometrical properties including the strip thickness, the web width, and the flange width were investigated on the above effects. Some experiments were performed on an industrial roll-forming machine to verify the accuracy of the finite element model. The results showed that the twist angle decreases with the increase of both strip thickness and web width. However, the twist angle increases with the increase of flanges width. Also the variations of the longitudinal bow height are similar to those of the average residual longitudinal strain of both flange edges.

Keywords

Cold roll-forming; Asymmetrical-channel section; Twist defect; Longitudinal bow; Finite element simulation

Supplementary Files

1-EA-tajik - Nahayi2.pdf

References

[1] Halmos, George T., ed. Roll forming handbook. CRC Press, 2005.

[2] Ding, Shichao, Paul A. Meehan, and William JT Daniel, A novel sheet metal forming method Millipede forming, Journal of Materials Processing Technology, Vol. 211, pp. 376-381, 2011.

[3] D. Bhattacharyya, P. Smith, C.H. Yee, and I.F Collins, The Prediction of deformation length in cold roll forming, Journal of Mechanical Working Technology, Vol. 9, pp.181-191, 1984.

[4] D. Bhattacharyya, P. Smith, S.K. Thadakamalla, and I.F Collins, The Prediction of Roll Load in Cold Roll Forming, Journal of Mechanical Working Technology, vol. 14, pp. 363-379, 1987.

[5] D. Bhattacharyya, P. Smith, The development of longitudinal strain in cold roll forming and its influence on product straightness, In: presented at 1st International Conference on Technology of Plasticity, Tokyo, Japan. pp. 422-427, 1984.

[6] D. Bhattacharyya, T.C. Maltby, T.A. Martin, and S.M. Panton, Prediction of Strain Development while Roll Forming Fundamentals Sections, Advanced Technology of Plasticity, vol. 2, pp. 871-876, 1990.

[7] M. Lindgren, An improved model for the longitudinal peak strain in the flange of a roll formed U-channel developed by FE-analyses, steel research int. vol. 78, 2007.

[8] M. Lindgren, Cold roll forming of a U-channel made of high strength steel, Journal of Materials Processing Technology, vol. 186, pp. 77-81, 2007.

[9] M. Lindgren, Experimental investigations of the roll load and roll torque when high strength steel is roll formed, Journal of Materials Processing Technology, vol. 191, pp. 44-47, 2007.

[10] R. Boman, L. Papeleux, Q.V. Bui, J.P. Ponthot, Application of the Arbitrary Lagrangian Eulerian formulation to the numerical simulation of cold roll forming process, Journal of Materials Processing Technology, vol. 177, pp. 621-625, 2006.

[11] J.H. Wiebenga, M. Weiss, B. Rolfe, and van den A.H. Boogaard, Product defect compensation by robust optimization of a cold roll forming process, Journal of Materials Processing Technology, vol. 213, pp. 978-986, 2012.

[12] G. Zeng, S.H. Li, Z.Q. Yu, X.M .Lai, Optimization design of roll profiles for cold roll forming based on response surface method, Materials and Design, vol. 30, pp. 1930-1938, 2009.

[13] M. Farzin, M. Salmani Tehrani, and E. Shameli, Determination of Buckling Limit of Strain in Cold Roll Forming by the Finite Element Analysis, Journal of Materials Processing Technology, vol. 125-126, pp. 626-632, 2002.

[14] M. Salmani Tehrani, P. Hartley, H. Moslemi Naeini, H. Khademizadeh, Localised edge buckling in cold roll-forming of symmetric channel section, Thin-Walled Structures, vol. 44, pp. 184-196, 2006.

[15] M. Salmani Tehrani, P. Hartley, H. Moslemi Naeini, H. Khademizadeh, Localised edge buckling in cold roll-forming of circular tube section, Journal of Materials Processing Technology, vol. 177, pp. 617-620, 2006.

[16] M.M. Kasaei, et al. Prediction of maximum initial strip width in the cage roll forming process of ERW pipes using edge buckling criterion, Journal of materials processing technology, vol. 214, pp. 190-199, 2014.

[17] R. Azizi Tafti, Theoretical, numerical, and experimental investigation of edge wrinkling defect in cold roll forming of symmetric channel sections, Phd Thesis, Mechanical Engineering Faculty, Tarbiat Modares University, Tehran, 2013.

[18] H. Ona, T. Jimma, Experiments into the cold roll-forming of straight asymetrical cheannehs, Journal of Mechanical Working Technology, vol. 8, pp. 273-291, 1983.

[19] W.-g. Cha, N. Kim, Study on twisting and bowing of roll formed products made of high strength steel, International Journal of Precision Engineering and Manufacturing, vol. 14, PP. 1527-1533, 2013.

[20] N. Rebelo, et al, Comparison of implicit and explicit finite element methods in the simulation of metal forming processes, ABAQUS Users Conf., Newport, RI. 1992.

[21] A. M. Prior, Applications of implicit and explicit finite element techniques to metal forming, Journal of Materials Processing Technology, vol. 45, PP. 649-656, 1994.