Chatter in the Strip Rolling Process, Part 3: Chatter Model

Author:

Yun I-S.1,Ehmann K. F.1,Wilson W. R. D.1

Affiliation:

1. Department of Mechanical Engineering, Northwestern University, Evanston, Illinois 60208

Abstract

The central problem of the analysis and prevention of chatter in rolling operations is in understanding the conditions which lead to dynamic instability. By analogy with metal cutting operations, it appears that a few basic mechanisms may be responsible for the occurrence of self-excited vibrations in rolling. The three most significant mechanisms are: negative damping, mode-coupling and regeneration. In this paper, negative damping and mode-coupling are considered separately in an “artificial” manner to make inroads toward a better basic understanding of rolling instability.

Publisher

ASME International

Subject

Industrial and Manufacturing Engineering,Computer Science Applications,Mechanical Engineering,Control and Systems Engineering

Reference8 articles.

1. Chefneux, L., Fischbach, J-P., and Gouzou, J., 1980, “Study and Control of Chatter in Cold Rolling,” Iron and Steel Engineer, pp. 17–26.

2. Paton, D. L., and Critchley, S., 1985, “Tandem Mill Vibration: Its Causes and Control,” Iron and Steel Making, pp. 37–43, March.

3. Pawelski, O., Rasp, W., and Friedewald, K., 1987, “Chattering in Cold Rolling—Theory of Interaction of Plastic and Elastic Deformation,” Proceedings of 4th International Steel Rolling Conference, The Science and Technology of Flat Rolling, Deauville, France, Vol. 2, pp. E.11.l–E.11.5.

4. Raven, F. H., 1987, Automatic Control Engineering, Fourth Edition, McGraw-Hill Book Company.

5. Tamiya, T., Furui, K., and Iida, H., 1980, “Analysis of Chattering Phenomenon in Cold Rolling,” Proc. of Inter. Conf. on Steel Rolling, ISIJ, Tokyo, pp. 1191–1202.

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