Engineering, Energy, Transport AIC

Veselovska Natalia Rostyslavivna–PhD, Professor, Department of machinery and equipment of agricultural production of Agricultural Production of Vinnitsa National Agrarian University (str. Sonyachna, 3, Vinnitsa, 21008, Ukraine, wnatalia@ukr.net).

The problem of providing of necessary quality and exploitation of properties of details of machines acquires an all more important value in an engineer. However to present tense the not worked out is generalized theoretical dependences between the parameters of quality of surface, exactness of treatment, operating properties of details and parameters of processes of tooling, that allow to decide the task of the technological providing of the set operating properties of details. Process control of forming of surface with necessary properties comes true mainly by the use of partial experimental dependences and tables of the modes of treatment. Complication of problem consists in that at treatment of details it is necessary to set such terms of treatment, that would provide the complex of requirements in relation to the wear of instrument, exactness of treatment, to descriptions of quality of surface, productivity and others like that. The areas of the most effective use of the productive systems are foremost determined by a technological equipment that is component part by the nomenclature of workparts and CAS of management.

Experience of development and exploitation of mechanisms of parallel kinematics confirms them high efficiency and perspective of this direction of engineer. As a result of structural features of arrangement, the mechanisms of parallel kinematics have the reserved kinematics chains that form spatial structures. As a rule these structures are founded on the base of the three-cornered cored systems. They have high rigid descriptions, provide high-rate and accelerations of working organs. Accordingly given an opportunities it is allowed by substantial character to promote static and dynamic exactness of positioning of mechanisms. Wide introduction of mechanisms of parallel kinematics absence of theoretical bases of development of mechanisms interferes with, in particular mechanisms of an increase exactness. The increase of exactness needs complex research of kinematics and working processes that take place in their basic knots. Therefore researches are sent to the increase of parameters of static and dynamic exactness of spatial mechanisms of parallel kinematics is actual.

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