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Design Strategies for Vacuum Micro-Grippers With Integrated Release System

[+] Author Affiliations
Serena Ruggeri, Gianmauro Fontana, Irene Fassi

CNR-ITIA, Milan, Italy

Giovanni Legnani

University of Brescia, Brescia, Italy

Paper No. DETC2017-67714, pp. V004T09A022; 7 pages
  • ASME 2017 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
  • Volume 4: 22nd Design for Manufacturing and the Life Cycle Conference; 11th International Conference on Micro- and Nanosystems
  • Cleveland, Ohio, USA, August 6–9, 2017
  • Conference Sponsors: Design Engineering Division, Computers and Information in Engineering Division
  • ISBN: 978-0-7918-5816-5
  • Copyright © 2017 by ASME


The current miniaturization of several products requires manufacturing systems and methods able to meet the demanding specifications in terms of precision, efficiency, flexibility and reconfigurability. In particular, the manipulation and assembly of micro-components to obtain such products represent a crucial and challenging phase. For this reason, gripping tools have an essential role. At the micro-scale, the effects of adhesion forces can negatively affect the success and the precision of the manipulation operations, causing unexpected gripping or preventing the release of the components. Therefore, new micro-grippers and suitable release strategies have to be designed and developed to ensure high performance, overcoming the issues typical of the micro-scale. Among the different types of micro-grippers, vacuum micro-grippers represent a suitable tool to manipulate fragile and small components. In this context, this paper discusses different designs of an innovative vacuum micro-gripper integrating a simple and effective release system. The basic working principle is discussed and the related prototype is shown. Finally, a new design enhancement is also introduced to extend its applicability and release capability.

Copyright © 2017 by ASME
Topics: Vacuum , Design , Grippers



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