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Delta Sigma Theta Pop-up Shop Group

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Woldemar Lukin
Woldemar Lukin

Our Lips Are Sealed



Contamination of sealed systems from the outside not only affects the performance and life of a sealed mechanism, but also that of the seal itself. Many dust and dirt exclusion systems have been offered by manufacturers, including various radial and axial auxiliary lips. The tests described in this paper investigate the effect of several auxiliary dirt lips on seal life in a dust environment. Since many of these designs provide interference to the shaft for both primary and secondary lips, the tests also examined vacuum formation between the lips and its effect on the seal.




Our Lips Are Sealed

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