Geometry Analysis and Optimal Design of Geneva Mechanisms with Curved Slots
Resource
Journal of Mechanical Engineering Science, Proceedings of the Institution of Mechanical Engineers, Part C 218(4): 449-459
Journal
Journal of Mechanical Engineering Science
Pages
-
Date Issued
2004
Date
2004
Author(s)
Lee, J.J.
Huang, K.F.
Abstract
A systematic procedure is proposed for the design of Geneva mechanisms with curved slots. Based on the theory of conjugate surfaces, mathematical expressions for the slot profile, pressure angle and cutter's location for manufacturing are presented. In addition, to evaluate the combined kinematics and structural performance of the mechanism, the maximum contact stress and degree of wear are established as the performance index. Effects of variations in various design parameters on the values of the performance indices are investigated. Using the indices as the objective function, the optimum design that takes into account the initial crank angle, offset and roller radius is performed.
Type
journal article
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