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Case Study in Biomimetic Design: Handling and Assembly of Microparts

[+] Author Affiliations
L. H. Shu, J. Moon, C. Chan

University of Toronto, Toronto, ON Canada

H. N. Hansen, A. Gegeckaite

Technical University of Denmark, Lyngby, Copenhagen, Denmark

Paper No. DETC2006-99398, pp. 163-170; 8 pages
doi:10.1115/DETC2006-99398
From:
  • ASME 2006 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
  • Volume 4a: 18th International Conference on Design Theory and Methodology
  • Philadelphia, Pennsylvania, USA, September 10–13, 2006
  • Conference Sponsors: Design Engineering Division and Computers and Information in Engineering Division
  • ISBN: 0-7918-4258-4 | eISBN: 0-7918-3784-X
  • Copyright © 2006 by ASME

abstract

This paper describes the application of the biomimetic design process to the development of automated gripping devices for microparts. Handling and assembly of micromechanical parts is complicated by size effects that occur when part dimensions are scaled down. A common complication involves sticking between the gripping device and the micropart, which hinders the automation of picking and releasing operations. This paper presents the identification and use of biological analogies to solve the problem of sticking during microassembly. Selected release techniques based on DNA transcription and the abscission process in plants inspired concepts of new automated handling devices for microobjects. The design, development and testing of a gripping device, based on biological principles, for the automated handling and assembly of a microscrew is presented.

Copyright © 2006 by ASME

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