文档介绍:Mechanism and Machine Theory 44 (2009) 751–760
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Mechanism and Machine Theory
journal homepage: ate/mechmt
Optimized five-bar linkages with non-circular gears
for exact path generation
D. Mundo a,*, G. Gatti a, . Dooner b
a Department of Mechanical Engineering, University of Calabria, 87036 Arcavacata di Rende (CS), Italy
b Department of Mechanical Engineering, University of Puerto Rico, 00681-9045 Mayaguez, Puerto Rico
article info abstract
Article history: In this paper, a five-bar linkage with non-circular gears is proposed as a mechanism capa-
Received 5 March 2008 ble of precisely moving a coupler point along a prescribed trajectory. The first step of the
Received in revised form 18 April 2008 proposed methodology is the inverse kinematic analysis of the linkage, whose mobility,
Accepted 29 April 2008
without geared bodies, is two. Therefore, by imposing the required configuration of the
Available online 17 June 2008
coupler at any instant, the rotation of the two inputs is evaluated. A pair of non-circular
gears is then synthesized on the basis of the relation between these two angular inputs,
thus reducing the mobility to one. The bined mechanism is able to exactly per-
Keywords:
form a specific task of path generation.
Five-bar linkages
Non-circular gears In the design of non-circular gears, a basic req