Kinematics and Efficiency Analysis of the Planetary Roller Screw Mechanism-Reference-Cited by-同舟云学术

Kinematics and Efficiency Analysis of the Planetary Roller Screw Mechanism

Published:2008-12-16 Issue:1 Volume:131 Page:
ISSN:1050-0472
Container-title:Journal of Mechanical Design
language:en
Short-container-title:

Author:

Velinsky Steven A.¹,Chu Baeksuk¹,Lasky Ty A.¹

Affiliation:

1. Department of Mechanical and Aeronautical Engineering, University of California, Davis, One Shields Avenue, Davis, CA 95616

Abstract

This paper analyzes the kinematics and the efficiency of the planetary roller screw mechanism (RSM) to provide a fundamental basis to support its various applications. The mechanical structure and practical advantages are presented in comparison with the conventional ball screw mechanism (BSM). Kinematic analysis involves derivation of the angular and axial motions, as well as the development of the slip pattern between the contacting components. Results show that for any motion of the RSM slip always occurs. Kinematic analysis including elastic deformation is also presented. The load carrying capacity and efficiency of the RSM are derived based on geometric and equilibrium conditions, and the results are compared with the BSM.

Publisher

ASME International

Subject

Computer Graphics and Computer-Aided Design,Computer Science Applications,Mechanical Engineering,Mechanics of Materials

Link

http://asmedigitalcollection.asme.org/mechanicaldesign/article-pdf/doi/10.1115/1.3042158/5924082/011016_1.pdf

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