SKF imported bearings stimulate the attack

Source: Bearing network time: 2012-12-29

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Excitation caused by the change in the number of loaded tumblers When a radial load is applied to an imported bearing; the number of tumblers carrying the load is slightly changed during operation; that is, this causes a shift in the load direction. The resulting oscillations are unavoidable; they can be relieved by axial preloading; they are applied to all rolling bodies (not for cylindrical roller bearings).
The waviness of the component is in close cooperation with the imported bearing ring and the imported bearing housing or the transmission shaft; the imported bearing ring can be deformed in cooperation with the shape of the adjacent component. If it is deformed, it can oscillate during operation. Therefore, it is important to machine the imported housing and drive shaft to the required public service.
Partial damage due to operation or device failure; a small number of imported bearing raceways and tumbling bodies can be damaged. During operation; a specific oscillation frequency occurs when rolling through damaged imported bearing components. The oscillation frequency profile can identify damaged Imported bearing parts.
The oscillating action in the use case is used in many applications; the stiffness of the imported bearing is the same as the stiffness of the surrounding layout. Because of this feature; only the correct selection of the imported bearing (including preload and clearance) and its equipment in use; Have the ability to reduce the oscillations in use.
There are three ways to reduce the oscillation of the imported bearings from the use to remove the critical encouragement of oscillation, suppress the critical excitation oscillation between the agitating component and the resonant component, change the stiffness of the layout; then change the critical frequency.

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