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PRECISION OF RRRRT TYPE SPHERICAL FIVE-BAR HINGED MECHANISM WITH TWO DEGREES OF FREEDOM WITH CLEARANCES IN KINEMATIC PAIRS

Authors: N. Keburia, N.Davitashvili


Abstract:

The research of precision of RRRRT type spherical five-bar hinged mechanism with two degrees of freedom with clearances in the kinematic pairs is stated, for performing of that with taking into account the primarily errors of mechanism are determined the functions of positions of output links and their points. By differential method are find the errors of output links and, their points and mechanism. Based on the obtained formulae are solved the numerical case, the results of that are presented as diagrams that gives the possibility to carry out the comparative analysis of ideal and real mechanisms with revealing of reliability and precision of five-bar mechanism.

Keywords: precision; error; spherical five-bar mechanism with two degrees of freedom; primarily errors; clearance; real five-bar mechanism.

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