Abstract
Purpose. The purpose of these studies is to develop a method designing rotor heads for finishing cylindrical parts with evenly spaced elements on the periphery and approbation a technique at development a design a rotor head for realization magnetic-abrasive processing cylindrical gear wheels over a ring bath. Methodology.The design technique is based on the synthesis of structural-kinematic schemes and structural formulas of rotary machine composing.In the synthesis process are analyzed the possible general coordinate transformations matrices of the forming system of the rotor heads.The general matrix coordinate transformations is selected by the results of a comprehensive assessment the criteria of the intensity of magnetic abrasive treatment and the shape of the edge. Findings.The design technique is rep- resented by an algorithm that includes the stages of synthesis structural-kinematic schemes and structural formulas of the composing rotary machines and the stage for determining their basic design parameters and dimensions. Originality.The algorithm of development structural-kinematic schemes and structural formulas arrangement rotary machines for magnetic-abrasive processing blanks in the stage of definition and choice of rational modes is im- proved.This allows you to get theparticular level of quality of processing that is best for the whole set of machined sur- faces and edges of the work pieces. Practicalvalue.The design technique has been tested in the design and construction of the rotor head for magnetic-abrasive processing gears over the ring bath. The design of the magnetic system with a double-circuit magnetic circuit is developed, which allows to increase the width of the working zone up to 150 mm, and the outer diameter of the processed gears up to 400 mm. Conclusions. As a result of the carried out researches the tech- nique and recommendations on designing of rotor heads for finishing of cylindrical details with equally located ele- ments on periphery(gears, end and axial cutting tools, etc.) are developed.To increase the efficiency of the technique, it is necessary to conduct additional studies of tribotechnical properties of magnetic-abrasive tools with a wider coverage of fractions of particles and processed materials and especially experimental studies of resistance forces during the movement of bodies in the working environment.
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