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Proceedings Paper

New shape design method of an epicycloidal gear for an epicycloid drive
Author(s): Joong-Ho Shin; Sewon Chang; Soon-Man Kwon; Hoon-Ki Choi
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Paper Abstract

This paper proposed a new approach to the shape design of an epicycloidal gear, which is a key part of an epicycloidal drive with a fixed outer ring. Applying the concept of instant center of velocity of a contact mechanism to the drive, this paper derived the analytical equation fot designing the epicycloidal plate gear, including the generation of curve conjugated to the pin-tooth of an outer ring and the calculation of transmission angles and determination of the contact points. This method has been completed by three steps: the first is to find the instant center of velocity for the epicycloidal drive; the second is to determinate the transmission angles and the contact points in the special coordinate systems; and the last is to generate the full shape of the epicycloidal gear by the coordinate transformation technique. A program for design automation of shape of the cycloidal gear has been developed with C++ language. Finally, an example was given to demonstrate the feasibility of the application.

Paper Details

Date Published: 21 March 2006
PDF: 6 pages
Proc. SPIE 6040, ICMIT 2005: Mechatronics, MEMS, and Smart Materials, 60401G (21 March 2006); doi: 10.1117/12.664222
Show Author Affiliations
Joong-Ho Shin, Changwon National Univ. (South Korea)
Sewon Chang, Changwon National Univ. (South Korea)
Soon-Man Kwon, Changwon National Univ. (South Korea)
Hoon-Ki Choi, Changwon National Univ. (South Korea)


Published in SPIE Proceedings Vol. 6040:
ICMIT 2005: Mechatronics, MEMS, and Smart Materials

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