Active Contact Stresses at Epitrochoid Generated Rotor-Stator Set of Fixed Axis or Equivalent System ‘ROPIMA’ Type Hydrostatic Units

[+] Author and Article Information
R. Maiti

Department of Mechanical Engineering, Indian Institute of Technology, Kharagpur, India

J. Eng. Ind 113(4), 465-473 (Nov 01, 1991) (9 pages) doi:10.1115/1.2899723 History: Received February 01, 1989; Online April 08, 2008


The development of the turning moments and their patterns in various models of epitrochoid generated “ROPIMA” type hydrostatic units with “fixed axis” or “equivalent system” rotors has been studied. Analysis of the contact stresses and the generation of the gaps at the active contacts and their possible reductions are the major aims of this work. The deflection and the stresses have been estimated using Hertz’s contact stress theory with the help of a proposed dimensionless analytical technique.

Copyright © 1991 by The American Society of Mechanical Engineers
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