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The statistic shows the methods of applying coatings to gas-thermal files. The designation of the spheres is based on these methods for the renewal of the surface of the worn parts and the mechanisms of the applied special coatings. One of the widely used methods in industrial production is the method of filing for additional plasmas. The essence of the processes of gas-thermal coating is considered, which consists in the formation of a directed flow of dispersed particles of sprayed material, which ensures their transfer to the surface of the workpiece and the formation of the coating layer. The methods of gas-thermal sawing were analyzed, the classification of technologies of gas-thermal sawing was analyzed according to their functional characteristics, the energetic sign was given to the form of the sawn material, which are presented on the exemplary diagrams in the statistic. The design of the spherical surface is filmed by the gas-thermal method, it is updated and changed the surface, which is used to clean abrasive wear in the drain, as well as to clean the surface of the corrosion, corrosion and cavitation. A theoretical analysis of the main methods of coating deposition has been carried out, which has become widespread in industry. This method eliminates such disadvantages as warping and deformation of the part. Therefore, this method is used to restore and harden surfaces operating under abrasive wear conditions, as well as to protect the surface from erosion, corrosion and cavitation, for example, to restore the blades of hydrogenerators and turbine generators, gas turbines. The factors influencing the spraying process in different methods of coating are considered, the advantages and disadvantages are identified, as well as the features of the methods of gas-thermal coating.

BASIC TECHNOLOGIES AND METHODS OF APPLYING COATING IN GAS-THERMAL FILES