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Grooved Friction Wheels with Parallel Axes
This as a friction wheel mechanism to transmit motion and torque between two wheels with parallel axes. The model is similar to Model W-3 but has multiple triangular shaped grooves in each wheel. For these interpenetrating wheels the effective rolling diameter occurs somewhere within the groove. The multiple grooves create a greater surface area of contact. Also the normal force required to transmit tangential friction forces can be created by axial forces on the wheel as well as by radial forces. Reuleaux called these mechanisms "force closed" systems because a compression force is required to maintain the friction. [Francis Moon, 2004-11-15]
Sibley School of Mechanical and Aerospace Engineering, Cornell University
The Kinematic Models for Design Digital Library (KMODDL). Cornell University. http://kmoddl.library.cornell.edu/ (released 2003).
SubjectKinematics of Machinery
Gustav Voigt Werkstatt
Photography credit: Jon Reis (www.jonreis.com). Jon Reis Photography grants Cornell University Libraries and the Cornell College of Engineering the rights to display copyrighted images of the Reuleux collection of kinetic machines on the Cornell University and National Science Digital Library web sites and for unlimited use in Cornell University Library publications for education purposes only. Rights for all other uses, including but not limited to, editorial, commercial, advertising, web use and display by third parties not affiliated with Cornell University are reserved by the photographer.
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