New shape design method of an epicycloidal gear for an epicycloid drive

Joong-Ho Shin; Sewon Chang; Soon-Man Kwon; Hoon-Ki Choi

doi:10.1117/12.664222

21 March 2006 New shape design method of an epicycloidal gear for an epicycloid drive

Joong-Ho Shin, Sewon Chang, Soon-Man Kwon, Hoon-Ki Choi

Proceedings Volume 6040, ICMIT 2005: Mechatronics, MEMS, and Smart Materials; 60401G (2006) https://doi.org/10.1117/12.664222
Event: ICMIT 2005: Merchatronics, MEMS, and Smart Materials, 2005, Chongqing, China

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.

Citation Download Citation

Joong-Ho Shin, Sewon Chang, Soon-Man Kwon, and Hoon-Ki Choi "New shape design method of an epicycloidal gear for an epicycloid drive", Proc. SPIE 6040, ICMIT 2005: Mechatronics, MEMS, and Smart Materials, 60401G (21 March 2006); https://doi.org/10.1117/12.664222

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