Fixturing of Compliant Parts Using a Matrix of Reconfigurable Pins

[+] Author and Article Information
Daniel F. Walczyk, Randy S. Longtin

Department of Mechanical Engineering, Aeronautical Engineering & Mechanics, Rensselaer Polytechnic Institute, Troy, NY 12180

J. Manuf. Sci. Eng 122(4), 766-772 (Dec 01, 1999) (7 pages) doi:10.1115/1.1314599 History: Received June 01, 1999; Revised December 01, 1999
Copyright © 2000 by ASME
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(a) Compliant part fixtured using an N:2:1 configuration and (b) Reconfigurable Fixturing Device with evenly-spaced matrix of pins [Source: CNA Manufacturing Systems, Redmond, WA]
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RFD concept diagram shown in pin setting mode
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Top view of the electromagnetic-assisted toggle mechanism
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Schematic of the pneumatic clamping device
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Free Body Diagrams of an RFD pin (a) attracted horizontally to an electromagnet (b) halted vertically by an electromagnet and (c) halted vertically by a pneumatic clamp
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Deflection, buckling, and friction clamping model of an RFD pin
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RFD single pin test bed
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RFD pin’s descent halted by an (a) electromagnet and (b) pneumatic clamp




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