Affect the service life of rolling bearing factors may have a lot of, can from the use of factors and internal factors to further instructions.
Use factor is mainly refers to installation and adjustment, and use the maintenance, the maintenance and repair, etc is in accordance with the technical requirements. According to the rolling bearing installation, use, maintenance, maintain the technical requirements of the bearing on operation to load, speed, working temperature, vibration and noise and lubrication condition monitoring and inspection, abnormal immediately find reason and adjustment, make it back to normal. Installation conditions is one of the important factors to use factors, bearing for installation does not appropriate and often lead to a complete set of bearing the parts of the state change between stress, bearing in a normal state not work and end the using life

Installation of the bearing force big or small will affect the performance of the bearing and life, still can cause bearing damage, below the dentin is in the process of the need to pay attention to four skills.

1. The size of the force should be smooth uniform, can not have the impact, which requires the hydraulic or use can bring the tension and pressure tool smooth, really have to use the hammer blow, also should pass such as copper sleeve is soft and do not fall flocks metal to buffer, striking the force as light delay. It is best to use the copper rods or copper hammer to hammer blow.

2. To continue to work force, for example in the installation bearing in just the right place with the bearing force stop, ensure that contractor (washers) of end is a hole on the shoulder end block or axis, both neither can be squeezed too tight, and can't pack is not in place.

3. The force of the force as far as possible through the axis of the bearing, this requires points; even symmetry and smooth, through the spherical or parallel to the axis force.

4. Avoid through force roller, which requires the installation inner circle (shaft circle) through the inner circle to force, installation by outer force outer.

As long as do when installation bearing the size of the force should be smooth uniform, can not have the impact force, be until the work is done and matters needing attention, that won't appear when installation bearing damage.

The rolling bearing material the metallurgical quality was rolling bearings of the failure of early influence factors. As metallurgy technology (such as bearing steel vacuum deairing with etc) progress, raw material quality improved. Raw material quality factors in bearing failure analysis of the proportion of the has obviously decreased, but it is still bearing the main influence factors of failure. Select material is justified or not is still bearing failure analysis of the factors must be considered.

The rolling bearing manufacturing to want to pass commonly forging, heat treatment, turning, grinding and assembly process of multi-channel processing operations. The processing technology of rationality, advanced, stability will also affect the life of the bearing. Which influence the quality of the finished product bearing heat treatment and grinding process, often with the failure of the bearing a more direct relationship. In recent years on the bearing surface metamorphic layer of work study, grinding technology and bearing surface quality closely.

Rolling bearings use the main task of the life analysis, is based on a lot of background materials, analyze data and failure forms, and find out the cause of the failure of bearing the main factors that have targeted and put forward the improvement measures, extend bearing deploying, avoid sudden early failure of bearing happen.




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