SLIDE BEARING FOR A CENTRIFUGAL PUMP

摘要

The invention relates to the slide bearing of a centrifugal pump. The slide bearing is lubricated by the pumped medium and comprises a stationary part disposed in the housing of the centrifugal pump and a part revolving about the shaft of the centrifugal pump and interacting with the stationary part to give a sliding pair. One part of said sliding pair consists of a composite material, especially carbon fibers or SiC fibers with a matrix from PEEK, carbon or carbon combined with SiC, while the other part has a sliding surface that consists of a hard metal material and is supported by a support material. The aim of the invention is to provide a slide bearing of the above-mentioned kind that can be used in chloride-containing and corrosive media and whose sliding surface is not prone to chipping corrosion. To this end, a melt compound is interposed between the hard metal material of the sliding surface and the support material of the respective part of the slide bearing supporting the sliding surface.