JSME International Journal Series A Solid Mechanics and Material Engineering
Online ISSN : 1347-5363
Print ISSN : 1344-7912
ISSN-L : 1344-7912
Study on Elastic Deformation Properties of the Blanket in Offset Printing
Jianguo WUMasaru NAKAZAWATakashi KAWAMURAHiroyuki BABAHitoshi KAMIMURANorio TANAKAKenji MIYAHARA
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1999 Volume 42 Issue 3 Pages 388-395

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Abstract

This paper analyzes elastic deformation properties of the blanket in offset printing due to a contact load of the impression(or plate)cylinder with the blanket cylinder, considering anisotropic properties and the laminated construction of the blanket. The two dimensional elastic theory is applied to solve the contact problem of the blanket and the numerical solution provides details of the contact pressure distribution, the deformation of the blanket, and the contact width of the blanket with the impression(or plate)cylinder. Influences of Young's moduli and thickness of each layer of the blanket on the contact pressure distribution and the deformation of the blanket, are examined by the theory. The experiments are carried out for measuring the contact pressure distribution and the deformation of the blanket and the calculated results are in fair agreement with those of experiment.

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© The Japan Society of Mechanical Engineers
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