Empirical research on the friction behavior of O-rings in hydraulic cylinders
Mechanical products are becoming more diversified with the continuous development of precision processing and materials technologies. The friction force generated by the O-ring seal in a hydraulic cylinder was once considered redundant. However, its utilization has recently been proposed. The hardne...
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Veröffentlicht in: | PloS one 2023-01, Vol.18 (1), p.e0280815-e0280815 |
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Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | Mechanical products are becoming more diversified with the continuous development of precision processing and materials technologies. The friction force generated by the O-ring seal in a hydraulic cylinder was once considered redundant. However, its utilization has recently been proposed. The hardness of the O-ring and the inner diameter of its groove directly affect the normal pressure between the O-ring and the inner wall of the cylinder, thereby affecting the friction behavior. In order to explore this friction behavior, a strain-based friction force measurement system is developed in this study, and the steady-state and dynamic friction values under different working conditions are studied and discussed in depth. This research on the friction behavior in the cylinder provides a theoretical basis for more convenient design and utilization of the friction force generated between the O-ring and the inner wall of the cylinder. |
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ISSN: | 1932-6203 1932-6203 |
DOI: | 10.1371/journal.pone.0280815 |