354 ゴム巻きロールのパターン形成現象の防止対策 : 直径比の影響(パターン形成現象,OS-20 パターン形成現象と複雑性,総合テーマ「伝統を,未来へ!」)

概要

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The rubber surface of a size press roll of a paper making machine is deformed into a certain convex polygon at a high nip force and at an operating speed of the rolls rotating in contact with each other viscoelastically. This polygonal deformation is called pattern formation phenomena, and occurs gradually, which leads to strong vibration of the machine. This problem is similar to other pattern formation phenomena, for instance, polygonal deformations of the smoother roll in paper making machine, regenerative chatters in cutting, and the polygonal deformation of the work roll in a hot leveler. This paper describes the countermeasures to avoid the pattern formation by changing the diameter ratio of the top roll to the bottom roll. It is found from the numerical analysis and experiment that the optimum ratio exists to decrease the instability effectively.
一般社団法人日本機械学会の論文
2010-09-14