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Causes and Possible Consequences of Abnormal Wear of Bearings in Mining Car Wheels

Views: 0     Author: Site Editor     Publish Time: 2022-09-27      Origin: Site

The bearing adopts ordinary tapered roller bearing. Although the bearing capacity and axial thrust capacity are high, the anti seize property of this bearing is very poor. Once mud and water are immersed in the bearing during use, the bearing pipeline will be blocked, bearing lubrication will be damaged, and the bearing will be damaged quickly. After the inner seal ring of the wheel set is worn, the muddy water enters the bearing, causing large area corrosion of the inner and outer rings of the bearing; When the tramcar travels on the uneven track, it generates vibration, which causes additional impact load and aggravates the bearing wear. The fit between the shaft and the bearing is generally interference fit. Although it is tight, the frequent action of concentrated stress on the inner ring of the bearing leads to the wear of the inner ring of the bearing, which makes the bearing scrapped. In serious cases, the wheels are dragged to death, causing a rollover accident.

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