Slide slope monitoring

摘要

An arrangement for shaft sealing and to a method for monitoring the sealing of the shaft seal are provided. The arrangement includes a rotating slide ring and a stationary slide ring, with a sealing gap having a lubricating film therebetween. The arrangement includes at least one sound transducer for generating and/or receiving exciting sound waves in the form of Lamb Rayleigh waves in at least one slide ring. The signals of the sound transducer are evaluated by an evaluation unit to determine the condition of the lubricating film in the gap.