Abstract
Motor-spindles are belong to a special class of complex dynamic systems of natural and natural-anthropogenic origin, which can be realized both translational and rotational motion, and represent a variety of developing species. Such systems are used in metalworking complexes, lathes, milling, drilling, grinding, multi-purpose and other machines. In modern designs of spindle units rolling bearings, hydrostatic, hydrodynamic, gas-static (aerostatic), gas-dynamic (aerodynamic), magnetic bearings and their combinations (hybrids) are used, for example, gas-magnetic (gas-static bearings with a magnetic suspension that allows to provide rotational frequencies) up to 10-20 thousand rpm, and in drilling and milling and grinding up to 100-200 thousand rpm and above. With the further development of technology in the machine-building industry, motor-spindles began to appear, which are able to realize the movement of the feed by means of gears and couplings, using pneumatic systems. They are also able to realize the movement of in using hydraulic systems, using screw gears. The design concepts of hybrid and combined the motor spindles, received by results of structural anticipation on the basis of use of innovative synthesis methods of hybrid electromechanical systems are considered. Results of mechanical calculations of rigidity and electromagnetic calculations are presented in the article. On the ground of the calculation data the operability analysis of the electromechanical systems of motor spindles is made. To develop a morphological model, functional features were selected, which are systematized and divided into three groups in accordance with the modular principle.
Highlights
IntroductionModern electromechanical systems of Spindlemotor-type are the result of the most advanced scientific and technical achievements in such areas of technical science, as: Machine-tool Construction, Electromechanics, Materials Science, Electronic control systems, etc
Modern electromechanical systems of Spindlemotor-type are the result of the most advanced scientific and technical achievements in such areas of technical science, as: Machine-tool Construction, Electromechanics, Materials Science, Electronic control systems, etc.The main application field of the spindle-motor systems is turning spindle unit development for milling machines and the processing centers in a mass production
Based on the results of synthesis of new spindlemotors with linear and rotary motion from a created number of the hybrid and combined electromagnetic chromosomes [5, 7] there were selected two chromosomes, most fully satisfying the set criterion function. On their basis there were developed two constructive solutions of spindle-motors intended for operation in metalworking ma
Summary
Modern electromechanical systems of Spindlemotor-type are the result of the most advanced scientific and technical achievements in such areas of technical science, as: Machine-tool Construction, Electromechanics, Materials Science, Electronic control systems, etc. In this article the main results of electromagnetic and mechanical calculations and the analysis of operability of new versions of competitive samples of the combined hybrid EM-systems of Spindle-motor-type, received by the results of directed genetic synthesis [5, 7] are stated. Based on the results of synthesis of new spindlemotors with linear and rotary motion from a created number of the hybrid and combined electromagnetic chromosomes [5, 7] there were selected two chromosomes, most fully satisfying the set criterion function. On their basis there were developed two constructive solutions of spindle-motors intended for operation in metalworking ma-. The development of morphological models is the initial stage of morphological research-morphological analysis, the purpose of which is the classification of the studied object or set of objects, followed by the transition to morphological synthesis [14]
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