CLC number:
On-line Access: 2024-08-27
Received: 2023-10-17
Revision Accepted: 2024-05-08
Crosschecked: 2024-01-15
Cited: 0
Clicked: 1240
Citations: Bibtex RefMan EndNote GB/T7714
Xiaoxuan LI, Bingqing WANG, Xudong PENG, Yuntang LI, Xiaolu LI, Yuan CHEN, Jie JIN. Effect of nitrile butadiene rubber hardness on the sealing characteristics of hydraulic O-ring rod seals[J]. Journal of Zhejiang University Science A, 2024, 25(1): 63-78.
@article{title="Effect of nitrile butadiene rubber hardness on the sealing characteristics of hydraulic O-ring rod seals",
author="Xiaoxuan LI, Bingqing WANG, Xudong PENG, Yuntang LI, Xiaolu LI, Yuan CHEN, Jie JIN",
journal="Journal of Zhejiang University Science A",
volume="25",
number="1",
pages="63-78",
year="2024",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.A2200612"
}
%0 Journal Article
%T Effect of nitrile butadiene rubber hardness on the sealing characteristics of hydraulic O-ring rod seals
%A Xiaoxuan LI
%A Bingqing WANG
%A Xudong PENG
%A Yuntang LI
%A Xiaolu LI
%A Yuan CHEN
%A Jie JIN
%J Journal of Zhejiang University SCIENCE A
%V 25
%N 1
%P 63-78
%@ 1673-565X
%D 2024
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A2200612
TY - JOUR
T1 - Effect of nitrile butadiene rubber hardness on the sealing characteristics of hydraulic O-ring rod seals
A1 - Xiaoxuan LI
A1 - Bingqing WANG
A1 - Xudong PENG
A1 - Yuntang LI
A1 - Xiaolu LI
A1 - Yuan CHEN
A1 - Jie JIN
J0 - Journal of Zhejiang University Science A
VL - 25
IS - 1
SP - 63
EP - 78
%@ 1673-565X
Y1 - 2024
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.A2200612
Abstract: The nitrile butadiene rubber (NBR) hardness effect on the sealing characteristics of hydraulic O-ring rod seals is analyzed based on a mixed lubrication elastohydrodynamic model. Parameterized studies are conducted to reveal the mechanism of the influence of rubber hardness on the static and dynamic behavior of seals. The optimized selections of rubber hardness are then investigated under different conditions. Results show that the low hardness seal is prone to stress concentration due to the extrusion effect under high pressure conditions; it is also more prone to leaking. A high hardness seal can better prevent leakage by reducing film thickness but it will cause large frictional power loss and increase the probability of wear failure. The choice of low hardness is recommended to reduce friction with the premise that leakage requirements are met.
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