Journal
MECHANISM AND MACHINE THEORY
Volume 132, Issue -, Pages 1-12Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.mechmachtheory.2018.10.012
Keywords
Intermittent motion; Indexing cam mechanism; Mechanism design; Dynamic performance
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Funding
- National Natural Science Foundation of China [50675150]
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A novel coaxial eccentric indexing cam mechanism (CEC) is proposed for high-speed automatic machineries. In comparison with the conventional indexing cam mechanisms such as parallel, globoidal, cylindrical cam mechanisms as well as the Geneva mechanism, the merits of this novel mechanism are: (1) more compact structure and (2) higher indexing rate. The structure and transmission principle of the mechanism are introduced and the cam profiles are formulated with an emphasis to derive two design criteria. The influences of the geometric parameters on the kinematic performance of the mechanism are also discussed through significant numerical analyses. Finally, the dynamic performance of a virtual prototype is analyzed with the aid of SolidWorks, and the physical prototype is manufactured to verify the validity of this design. (C) 2018 Published by Elsevier Ltd.
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