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World Journal of Engineering Research and Technology

( An ISO 9001:2015 Certified International Journal )

An International Peer Reviewed Journal for Engineering Research and Technology

An Official Publication of Society for Advance Healthcare Research (Reg. No. : 01/01/01/31674/16)

ISSN 2454-695X

Impact Factor : 7.029

ICV : 79.45

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Abstract

SYNTHESIS OF PLANAR MECHANISMS, PART VII: SIX BAR – ONE SLIDER MECHANISM (DESIGN I)

Prof. Dr. Galal Ali Hassaan*

ABSTRACT

This research paper aims at introducing an optimal synthesis for a six bar ? one slider planar mechanism. The objective of the synthesis is to maximize the time ratio of the mechanism for specific normalized stroke. The quality of the designed mechanism is controlled through Grashof?s criteria for crank-rocker four bar mechanism and the transmission angle of the 6 bar mechanism. The MATLAB optimization toolbox is used to the time ratio of the mechanism as an objective functions. Two functional constraints are used to control the performance of the mechanism. A normalized stroke between 0.1 and 0.7 is covered. The resulting minimum transmission angle for one revolution motion of the crank is between 66.6 and about 84 degrees while the maximum transmission angle is between 93.3 and 96.8 degrees.

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