Radial Sealers – the Rolle and Importance in Machinery Maintenance

Abstract

Appropriate choice of sealing elements is one of essential tasks of sealing related with problem of working fluids loosening. In that way cost of maintenance are decreasing and reliability of machinery couples is improving. Radial sealers are used for sealing of different types of axles and shafts, primary in motor and vehicles industries as well as productions of machinery and equipment. This paper presents basical types of radial sealers with accent on material type used for their production, physical and chemical factors of material properties as well as some tribology characteristics. Influence of working conditions on strength of radial sealers is also shown as well as reliability on chemical reagents.

Pravilan izbor zaptivnih elemenata kvalitetno rešava problem gubitka radnog fluida što je jedan od suštinskih zadataka zaptivanja. Na taj način smanjuju se troškovi održavanja a povećava pouzdanost mašinskih sklopova. Radijalne zaptivače se koriste za zaptivanje kod različitih osovina i vratila, prvenstveno u motornoj i vozilskoj industriji, mašinskoj industriji, industriji opreme. U radu su prikazane osnovne vrste radijalnih zaptivača, pri čemu je naglasak dat na vrste materijala koji se koriste za njihovu izradu, uticaj fizičko-hemijskih faktora na osobine materijala, kao i neke tribološke karakteristike. Takođe, prikazan je i uticaj radnih uslova na izdržljivost radijalnih zaptivača, kao i postojanost na hemijske reagense.