Parameter Study of Offset Press Cylinder Based on Sliding Friction

Abstract:

In the contact area of offset, a relative slide occurs between the surface of plate cylinder and blanket cylinder, which changes the print image and influences the printing quality. The relative slide in the cylinders’ rolling process is investigated, and the determination rule of cylinders’ geometric parameters of offset press is proposed. The results show that the relative slide is minimization under the condition that the compression of elastic cylinder radius is 0.2 times bigger than that of rigid cylinder radius, and the deformation of print image and dot gain both are minimization. The results provide theoretical direction for accurate determination of cylinder radius of offset press.

• Periodical: Advanced Materials Research (Volume 174)
• Pages: 299-302
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.174.299
• Online since: December 2010
• Authors: Hai Yan Zhang, He Ping Hou, Jun Feng Si, Xiao Yu Chen
• Keywords: Cylinder Radius, Offset Press Cylinder, Relative Slide

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