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http://dx.doi.org/10.5370/KIEE.2014.63.2.272

SWM Utilized Cable Drive System  

Lee, Bum-Joo (Dept. of Electrical Engineering, Myongji Univerity)
Kim, Kab Il (Dept. of Electrical Engineering, Myongji Univerity)
Publication Information
The Transactions of The Korean Institute of Electrical Engineers / v.63, no.2, 2014 , pp. 272-276 More about this Journal
Abstract
In this paper, cable drive mechanism is proposed to implement high reduction gear ratio. Cable drive mechanism has great advantages such as light weight, high degree of freedom about design aspect and zero backlashes. However, it is restrictively utilized for robotic applications because it is difficult to implement high reduction gear ratio more than 10 to 1. Proposed mechanism enables multi-level reductions by adopting seamless winding method (SWM) which links the previous output axis and the next input axis. Consequently, this reduces the mechanical complexity significantly and enables high reduction with only one single wire cable. 3D CAD design was provided and prototype was manufactured.
Keywords
Reduction gear; Cable drive; Actuator; Zero backlash and back drivability;
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