INVESTIGATIONS OF TECHNOLOGICAL PARAMETERS IMPACT UPON QUALITY FORMATION IN SURFACE LAYER OF PARTS AT CENTRIFUGAL ROTARY PROCESSING
Abstract and keywords
Abstract (English):
In the paper there are carried out investigations on the definition of the basic technological parameters impact of centrifugal-rotary processing in abrasive environment upon formation of surface layer quality in the parts worked. There is used a finite element method of deformation modeling in granulated massive rotating under the impact of centrifugal forces with the use of the (Comsol Multiphysics) packet. On the basis of computer the high-speed shooting processing and theoretical investigations of the process dynamics there are defined distributions of pressures and granule motion speed in the working chamber. A specified model of abrasive granule encounter with the surface worked at the centrifugal rotary processing on the basis of the modern researches and analysis with the use of the Ansys software. The dependences are obtained for the definition of the maximum penetration depth of environment particles into the surface of the part worked, metal removal, surface roughness which adequacy is confirmed by the results of experimental investigations. There is developed a specified procedure for the computation of roughness height parameters of the surface worked and machining capacity. A specified procedure for the computation of metal removal from the surface worked of parts is offered. An algorithm for the optimization of an engineering process is developed. The investigation results are introduced into production.

Keywords:
centrifugal rotary processing, abrasive environments, roughness, surface, metal removal, finite element modeling
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