高分子密封件的化学力学性能对汽车密封链传动损失的影响

IF 1.6 Q4 MATERIALS SCIENCE, COATINGS & FILMS

Tribology - Materials, Surfaces & Interfaces Pub Date : 2022-09-05 DOI:10.1080/17515831.2022.2105942

M. P. Kishore, P. Karthikeyan, R. Shivamurthy, Vishal Shenoy P

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引用次数: 0

摘要

一种汽车密封链，由链板之间的弹性密封组成，可防止外部污染物进入。但是，由于摩擦力的存在，密封的存在导致了高的传输损失。在本研究中，对两种等几何尺寸(5/8”节距)的ANSI-B29.1 520系列密封链进行了传输损耗对比试验。测试显示，两种链之间的传输损耗有38%的显著差异。为了了解这些观察到的链性能差异，对密封件(丁腈橡胶)进行了材料分析，发现它们的成分存在显著差异。由于化学性质的不同，密封硬度的增加导致密封与板之间的摩擦系数增加了21%。密封厚度的减少，润滑剂的作用，以及链条之间摩擦力的差异产生了传输损失的差异。图形抽象

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Effect of polymer seal’s chemical and mechanical properties on automotive sealed chain’s transmission loss

ABSTRACT An automotive sealed chain consisting of an elastomeric seal between chain plates prevents the entry of external contaminants. But, the presence of a seal induces high transmission loss due to the frictional force. In the present study, a comparative transmission loss test between two ANSI-B29.1 520 series sealed chains of equal geometric dimensions (5/8” pitch) was carried out. The tests revealed a significant difference of 38% in their transmission losses between the chains. To understand these observed differences in the chain performance, the material analysis of the seals (nitrile butadiene rubber) was performed, which showed a significant difference in their composition. The increased seal hardness due to difference in chemical properties resulted in a 21% increase in friction coefficient between the seal and the plates. The seal thickness reduction, the effect of lubricant, and the difference in the frictional forces between chains yielded differences in the transmission losses. GRAPHICAL ABSTRACT

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来源期刊

Tribology - Materials, Surfaces & Interfaces MATERIALS SCIENCE, COATINGS & FILMS-

CiteScore

2.80

自引率

0.00%

发文量