Typical faults of vehicle bearings-stripping and measures to improve the quality of bearing inspection
Typical faults of vehicle bearings-stripping and measures to improve the quality of bearing inspection
PRODUCT
TIMKEN failure reasons of universal joint bearing several matters needing attention
by：Waxing
2020-10-24
According to the TIMKEN formation mechanism of grinding badness layer of bearings working surface, the main factors influencing the grinding metamorphic layer is a function of grinding and grinding force.
The following analysis about universal joint bearing failure reason.
1.
The main purpose of the preload: the main purpose of the preload and representative examples can cite some examples to prove out: (
1)
Axis right decision in the radial direction and axial direction of the location of the at the same time, inhibition of the shaft.
(
2)
To improve the bearing rigidity.
Machine tool spindle with the bearings, cycling differential pinion with imported bearings.
(
3)
To prevent vibration and axial direction due to the resonance caused by the different sound.
With small motor bearings.
For centripetal bearing under combined load function, due to the number of rolling element load increase, the friction resistance increases, the amount of fever, lubrication and cooling conditions, but also increases, the force applied to keep the rack, therefore, must according to the TIMKEN bearing type and the size of the load Angle, the limit speed multiplied by a universal joint bearings reduce coefficient of f2 to regulate them.
If the speed limit speed of selected bearings can't satisfied application request, can use some method of improvement skills progress, to get to meet the request.
Such as improve the TIMKEN bearing poor tolerance level;
Appropriate increase clearance;
Use special materials and improved in frame structure;
Shift the lubrication method, such as oil and gas, oil mist with jet lubrication;
Improved cooling conditions, etc.
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