Irrigation and Melioration


In the article presents the results of researches of the device of centrifugal pumps of type "D", operating conditions of water pumps, processes of deterioration and deterioration of details, factors influencing occurrence of defects in details, modernization of technology of restoration of a resource of details of water pumps. A combined method for restoring the resource of the pump casing is proposed, taking into account the results of researches of wear of the working surface and working conditions with hydro abrasive, cavitations, hydrogen and other types of wear. Recommendations are given to the choice of processing modes, taking into account the influence of technological and operational factors on the adhesive strength of the joint of the material.

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