Talking about: Technology for installing and replacing SKF bearings

     (1) The force of the applied force passes through the axis of the SKF bearing as much as possible, which requires the force application point to be uniformly symmetrical and stable, and the force is applied through the spherical surface or parallel to the axis.
     (2) The size of the force should be smooth and uniform, and it is not suitable for impact. This requires the use of oil pressure or a tool that can apply a smooth pulling force or pressure. When it is necessary to use hammering, it must also be soft through a copper sleeve. It is buffered without falling metal, and the tapping force is as gentle as possible. It is best to use a copper rod or a copper hammer for hammering.
     (3) Avoid applying force through the rolling element. This requires the force applied through the inner ring when the inner ring (shaft ring) is removed or removed, and the force is applied through the outer ring when the outer ring is assembled or removed.
     (4) The drag force should be continued to the extent that it should be, for example, when installing the bearing, stop the force when the bearing is just in the correct position, and ensure that the end face of the ferrule (gasket) abuts against the seat hole or the shoulder end face of the shaft. Can not be squeezed too tightly, and can not be installed.

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Analysis: Cycle life extension method for bearing life

    1, the installation of the bearing

Whether the bearing is installed correctly affects accuracy, life and performance. Therefore, the design and assembly department should fully study the installation of the bearing. I hope to install according to the operating standards. The items of the job standard are usually as follows:

(1) cleaning the bearing and bearing related components;

(2) Check the size and finishing of the connected components;

(3) installation;

(4) Inspection after installing the bearing;

(5) Supply lubricant.

2, alignment, straightening

After the bearings have been installed, alignment may result in additional loads, friction and vibration of the bearings if not carefully aligned. These can accelerate fatigue and reduce bearing life and can damage the life of other machine parts. In addition, increased vibration and friction can greatly increase energy consumption and risk of premature failure.

3. Basic condition monitoring

During use, the basic external conditions of the bearing operation are often monitored, such as temperature, vibration and noise measurements. These regular inspections will identify potential problems early and will prevent unexpected machine stops, enabling production plans, increased plant productivity and efficiency.

4, relubrication

During operation, the bearing is required to have the correct relubrication to perfect its performance. The method of bearing lubrication is divided into grease lubrication and oil lubrication. In order to make the bearing function well, first, choose a lubrication method that suits the conditions of use and the purpose of use. Lubricity of oil lubrication predominates if only lubrication is considered. However, grease lubrication has the advantage of simplifying the structure around the bearing.

5, remove

When the bearing will reach its end of life, it should be replaced. Although the bearing can no longer be used, correctly removing the original bearing and replacing the new bearing in time can promote the service life of the new bearing. Proper method of removing the bearing and the use of tools will help to maintain and repair other machine bearings.

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