Design and Implementation of a Lightweight, Large Workspace, Non-Anthropomorphic Dexterous Hand

[+] Author and Article Information
R. B. van Varseveld, G. M. Bone

Department of Mechanical Engineering, McMaster University, Hamilton, Ontario, Canada, L8S 4L7

J. Mech. Des 121(4), 480-484 (Dec 01, 1999) (5 pages) doi:10.1115/1.2829486 History: Received July 01, 1998; Revised August 01, 1999; Online December 11, 2007


The design and implementation of a novel dexterous robotic hand is described. To Provide flexibility of application the design features three fingers, each position or force controllable in X-Y-Z, and a large workspace (400 mm dia. × 75 mm deep). These requirements plus the need for adequate strength (i.e. force and stiffness) are in conflict with the need to keep the mass within the payload capacity of common robots. These contrary objectives are met by designing a novel hybrid parallel-serial finger mechanism, a lightweight frame and pneumatic servos for finger actuation. The implemented design is verified experimentally, and may be scaled for other applications.

Copyright © 1999 by The American Society of Mechanical Engineers
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