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The Design of a Novel Prismatic Drive for a Three-DOF Parallel-Kinematics Machine

[+] Author Affiliations
J. Renotte, D. Chablat

Institut de Recherche en Communications et Cybernétique de Nantes, Nantes, France

J. Angeles

McGill University, Montreal, Quebec, Canada

Paper No. DETC2004-57168, pp. 433-442; 10 pages
doi:10.1115/DETC2004-57168
From:
  • ASME 2004 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
  • Volume 2: 28th Biennial Mechanisms and Robotics Conference, Parts A and B
  • Salt Lake City, Utah, USA, September 28–October 2, 2004
  • Conference Sponsors: Design Engineering Division and Computers and Information in Engineering Division
  • ISBN: 0-7918-4695-4 | eISBN: 0-7918-3742-4
  • Copyright © 2004 by ASME

abstract

The design of a novel prismatic drive is reported in this paper. This transmission is based on Slide-O-Cam, a cam mechanism with multiple rollers mounted on a common translating follower. The design of Slide-O-Cam was reported elsewhere. This drive thus provides pure-rolling motion, thereby reducing the friction of rack-and-pinions and linear drives. Such properties can be used to design new transmissions for parallel-kinematics machines. In this paper, this transmission is optimized to replace ball-screws in Orthoglide, a three-DOF parallel robot optimized for machining applications.

Copyright © 2004 by ASME

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