Development of Pinch Rolls to Control Strip Wandering in Strip Processing Lines.

Kaseda, Yoshiyuki; Masui, Takeshi; Hirooka, Eiji; Nonaka, Akihiko

doi:10.2355/isijinternational.41.1366

Cited by 3 publications

(2 citation statements)

References 1 publication

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“…A contactless control system by Lorentz force was developed, (Kamiyama and Uchida, 1993). Pinch rolls to prevent strip lateral movement were proposed and verified by experiments in a processing line, (Masui, et al, 2000, Kaseda, et al, 2001.…”

Section: Introductionmentioning

confidence: 99%

Strip lateral position control using electromagnets in continuous processing line

Ishigaki¹,

Nishina²

2015

Mechanical Engineering Journal

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In continuous metal strip processing lines, such as pickling, annealing and surface treatment lines, lateral instability of strips is a common problem. Strip lateral movement has a bad influence on productivity of the processing lines. A simple and effective device to control a lateral position of a strip is required because conventional preventions such as a steering roll and crown roll are not effective. In this study, a method of controlling a strip lateral position using electromagnets was investigated. First, theoretical equations were derived to predict capability to control a strip. Next, the derived theory was verified compared with lab experiments. The results obtained can be summarized as follows: (1) The theoretical equations of velocity of lateral movement are derived from inclination when the strip is attracted by electromagnet(s). The inclination is calculable from geometric relation. (2) It is found that the theoretical equations are valid by lab experiments in the conditions of changing attracting displacement and line speed. Controlling lateral movement using electromagnets is possible, and the control capability can be estimated by the derived theory. (3) The velocity of lateral movement in the case of attracting the half of strip width is three times as fast in the case of attracting the edge of the strip.

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Section: Introductionmentioning

confidence: 99%

Strip lateral position control using electromagnets in continuous processing line

Ishigaki¹,

Nishina²

2015

Mechanical Engineering Journal

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“…Application of continuous annealing technology for cold rolling has become more common, experience shows that running deviation affects the smooth operation of continuous annealing furnace, it will lead to local performance difference and surface quality problem because of reduction of running speed and frequent intervention in automatic system, seriously, it will lead to strip breaking and affect the production efficiency [1] [2].…”

Section: Introductionmentioning

confidence: 99%

Simulation of Taper Roll Deviation Rectification Ability in Continuous Annealing Furnace

Jian

Sun

2014

AMR

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Running deviation of cold strip affects smooth operation in continuous annealing furnace, and the taper roll technology has positive significance for the prevention of strip deviation. In this paper, a finite element model of cold strip in continuous annealing furnace is established, and it can be used to analysis deviation rectification ability of single taper roll with different conical height and straight section length, double taper roll with different total conical height, straight section length and taper ratio. The calculation results show that the conical height is the most important factor for deviation rectification, and the deviation rectification ability of double taper roll is better than single taper roll. The results provide reference for taper roll optimization design in continuous annealing furnace.

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Deviation Prevention Ability of Rollers in Continuous Annealing Furnace and Application

Zhang

Yang

et al. 2012

J. Iron Steel Res. Int.

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Development of Pinch Rolls to Control Strip Wandering in Strip Processing Lines.

Cited by 3 publications

References 1 publication

Strip lateral position control using electromagnets in continuous processing line

Strip lateral position control using electromagnets in continuous processing line

Simulation of Taper Roll Deviation Rectification Ability in Continuous Annealing Furnace

Deviation Prevention Ability of Rollers in Continuous Annealing Furnace and Application

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