KINEMATIC PROPERTIES AND MESHING CONDITION OF ELLIPTICAL GEAR TRAIN
Journal: Scientific Journal of Silesian University of Technology. Series Transport (Vol.104, No. 10)Publication Date: 2019-09-01
Authors : Silvia MALÁKOVÁ;
Page : 95-105
Keywords : non-circle gear; elliptical gear; kinematic conditions; meshing conditions;
Abstract
This paper presents the concept of eccentric elliptical gear train able to generate a variable gear ratio law. The first step in the noncircular gears virtua design process is the generation of the conjugate pitch curves, starting from a predesigned law of motion for the driven element or a predesigned geometry for the driving gear pitch curve. By designing a pair of non-circular gears, which are able to perform a proper gear ratio function, the output member of a mechanism can be effectively forced to move according to a prescribed law of motion, when operated at a constant input-velocity. This mechanism is designed to obtain a specific motion law. Detailed knowledge of meshing conditions is a prerequisite for studying kinematic conditions in gearings, as well as the strength calculation of gearing.
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