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http://dx.doi.org/10.5302/J.ICROS.2009.15.9.894

A study on the Mathematical Tension Model for a Non-contact Transfer of a Moving Web in R2R e-Printing Systems  

Lee, Chang-Woo (건국대학교 FDRC)
Kim, Ho-Joon (건국대학교 기계설계학과)
Kang, Hyun-Kyoo (건국대학교 기계설계학과)
Shin, Kee-Hyun (건국대학교 기계공학부)
Publication Information
Journal of Institute of Control, Robotics and Systems / v.15, no.9, 2009 , pp. 894-898 More about this Journal
Abstract
In a post printing section of roll to roll printing systems, scratch problem is the major defects. The functional qualities such as conductivity, mobility could deteriorate because of the scratch defect. In general, the scratch of the printed pattern on the flexible substrate was induced from a contact between rolls and printed pattern in the post printing section. In this paper, for non-contacting transfer of a moving web, a mathematical tension model has been developed considering strain due to air floatation and the proposed mode has been validated by numerical simulation. Additionally, the correlation between floatation height and speed compensation to control the tension and register are investigated. On the basis of the proposed model, a guide line of speed control in R2R printing system is presented to guarantee the non-contact between rolls and R2R printed pattern on the flexible substrate.
Keywords
non-contacting; printed electronics; roll to roll printing systems; tension;
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