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Kinematic Synthesis of Rotary Machines Generated by Regular Curve-Polygons

[+] Author Affiliations
Giorgio Figliolini, Pierluigi Rea, Salvatore Grande

University of Cassino, Cassino, FR, Italy

Paper No. DETC2012-71192, pp. 689-697; 9 pages
  • ASME 2012 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
  • Volume 4: 36th Mechanisms and Robotics Conference, Parts A and B
  • Chicago, Illinois, USA, August 12–15, 2012
  • Conference Sponsors: Design Engineering Division, Computers and Information in Engineering Division
  • ISBN: 978-0-7918-4503-5
  • Copyright © 2012 by ASME


This paper deals with the kinematic synthesis of volumetric rotary machines, which are generated by the planetary motion of regular curve-polygons.

In particular, the synthesis of both outer and inner conjugate profiles has been formulated as envelope of the polycentric profiles of a generating regular curve-polygon with any number of lobes, different radii of the circumcircle and rounded corners.

A regular curve-polygon with cusp corners can be obtained as a particular case, like the Reuleaux triangle.

Finally, the proposed formulation has been implemented in a Matlab code and several examples are reported.

Copyright © 2012 by ASME
Topics: Kinematics , Machinery



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