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Development of Integrated Roller Leveling System for Magnetic Encoding Medium Manufacturing

[+] Author Affiliations
Brian Chen, Jen-Yuan (James) Chang

National Tsing Hua University, Hsinchu, Taiwan

Paper No. DETC2015-46729, pp. V009T07A083; 5 pages
  • ASME 2015 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
  • Volume 9: 2015 ASME/IEEE International Conference on Mechatronic and Embedded Systems and Applications
  • Boston, Massachusetts, USA, August 2–5, 2015
  • Conference Sponsors: Design Engineering Division, Computers and Information in Engineering Division
  • ISBN: 978-0-7918-5719-9
  • Copyright © 2015 by ASME


Magnetic linear encoder has been increasingly integrated in various position control system while demands for high precision machine tool to produce high precision products increase. During the manufacture of magnetic encoding medium, the medium is not expected to be flat due to packaging induced plastic deformation and residual stress. Medium deformation will result in damaging the performance of the medium such as the accuracy and magnetic flux density distribution. In this paper, the research efforts are devoted to develop a roller leveling system to flatten the curved magnetic medium, validated by parameter studies to investigate how roller leveling can be integrated into the manufacture of magnetic encoding medium in order to improve mechanical deflection and residual stress. The mechanical design of the roller leveling cycles has been completed. Experimental results demonstrate that roller leveling can significantly improve mechanical deflection of pre-stressed curve magnetic medium up to almost 60%.

Copyright © 2015 by ASME



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