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Assessment of the Lubricity of Grease‐Sealing Rotary Shaft Seals Based on Grease Properties
Author(s) -
Hahn Susanne,
Feldmeth Simon,
Bauer Frank
Publication year - 2023
Publication title -
chemical engineering and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.403
H-Index - 81
eISSN - 1521-4125
pISSN - 0930-7516
DOI - 10.1002/ceat.202200382
Subject(s) - grease , lubricity , lubrication , materials science , rheology , composite material , tribology , boundary lubrication , mechanical engineering , engineering
Grease‐lubricated sealing systems have an increased risk of starved lubrication. For this work, the lubricity of 23 greases in a rotary shaft sealing system was evaluated with a new test and evaluation method. The lubricity was then correlated with rheological and other grease properties. These grease properties are either available by the data sheet or can be measured with low effort. The results of the correlation allow a preselection of greases which are expected to lubricate rotary shaft seals well. This can support manufacturers and users in considering the lubrication of the sealing system early in the development process.