灰口铸铁轴颈轴承与铝合金轴颈轴承对中与不对中载荷的实验比较

IF 1.2 4区工程技术 Q3 ENGINEERING, MECHANICAL

Mechanics & Industry Pub Date : 2020-01-01 DOI:10.1051/meca/2020038

Xiuli Zhang, Z. Yin, Qin Dong, Jun Cao

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引用次数: 1

摘要

材料、轴承和轴的表面粗糙度以及轴颈不对中影响轴颈轴承的捕获载荷。为了提高轴承的承载能力，获得更好的摩擦副，本文对一种灰铁轴颈轴承和两种铝合金轴颈轴承在对准和不对准条件下的载荷进行了实验研究。用三个轴研究轴颈表面粗糙度和DLC涂层的影响。记录日志中心轨迹。结果表明:DLC涂层与硬度较低的铝合金组合的载荷和倾斜角最大，其次是DLC涂层与灰铸铁组合，40Cr钢与灰铸铁组合的载荷和倾斜角最大;轴承和轴的表面粗糙度值对夹持载荷有相当大的负面影响，特别是在对准条件下。

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Experimental comparison of the seizure loads of gray iron journal bearing and aluminum alloy journal bearing under aligned and misaligned conditions

Materials, surface roughness of bearing and shaft, and journal misalignment affect the seizure load of journal bearing. To improve the load carrying capacity of bearing and obtain better friction pair, this paper studies experimentally the seizure loads of a gray iron journal bearing and two kinds of aluminum alloy journal bearings under both aligned and misaligned conditions. Three shafts are used to study the effects of journal surface roughness and DLC coating. The journal center locus is recorded. Results show that the combination of DLC coating and the aluminum alloy with lower hardness has the largest seizure load and inclined angle, followed by the combinations of DLC coating and gray iron, and 40Cr steel and gray iron. The surface roughness values of bearing and shaft have a considerable negative effect on seizure load, especially for aligned condition.

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来源期刊

Mechanics & Industry ENGINEERING, MECHANICAL-MECHANICS

CiteScore

2.80

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： An International Journal on Mechanical Sciences and Engineering Applications With papers from industry, Research and Development departments and academic institutions, this journal acts as an interface between research and industry, coordinating and disseminating scientific and technical mechanical research in relation to industrial activities. Targeted readers are technicians, engineers, executives, researchers, and teachers who are working in industrial companies as managers or in Research and Development departments, technical centres, laboratories, universities, technical and engineering schools. The journal is an AFM (Association Française de Mécanique) publication.