In all of the tapered roller bearing premature failure cases, approximately 16% is due to improper installation or improper installation caused approach. A variety of different applications may require mechanical, thermal or hydraulic means to properly and efficiently install timken bearings. Select the appropriate application installation method will help you to extend bearing life and reduce premature bearing failure and the potential cost of the damage caused by the application.
General Terms and tapered roller bearings are in the minority, a lot of, a single high-bearings, bearings, or simple construction price. Large size, relatively low maintenance cost economy.
Timken bearings to be monitored working conditions, there is progress in the restoration of the line out of the bearing results-based program, you can have a multiplier effect. The process in accordance with reasonable and efficient equipment and repair things and get professional help bearing plants, all contribute to economic development.
Tapered roller bearings metal corrosion and rust are the main points of the hand sweat, accounting for the vast majority of metal corrosion, in many cases, can not be avoided. Hand sweat can cause corrosion of bearings, mainly sweat sweat in its membrane contact surface, the electrochemical reaction and interaction will lead to corrosion, but can be avoided, such as gloves, brings professional tools such as picking up parts.
Grease works are from the ball raceway separate reservoir with internal and external use, the viscosity of the oil used, attached to the ball and the raceway, the inner and outer raceways and balls isolated metal interface, reducing the metal surface wear and prevent air and moisture corrode metal, reducing vibration and noise, making timken bearing swivel smoothly.
A, poor lubrication (about 50%)
According to the survey, poor lubrication premature bearing damage is caused by one of the main. Main reasons include: not timely filling lubricant or lubricants; lubricants or lubricants are not filling in place; lubricant or lubricant improper selection; Lubrication inaccurate and so on.
Recommendation: Select the correct lubricant or lubricants, lubricant filling the use of accurate manner.
B, improper installation (about 16%)
1, installed using brute force, a direct hit with a hammer on the bearing tapered roller bearing greatest harm; is caused by deformation of the main reasons.
2, the installation is not in place, install a deviation or not attached to the bearing position, causing timken bearing clearance is too small. Inside and outside the ring is not in uniform rotation center, resulting in different heart.
Recommendation: Select the appropriate or professional bearing installation tool, use special detection equipment installed.
C, fatigue (about 34%)
Fatigue damage is damage to the bearing common way. Common fatigue damage may be caused by: bearing long-term overload operation; did not timely maintenance; improper maintenance; equipment aging.
D, pollution (about 14%)
Contamination can lead to premature failure of tapered roller bearings, pollution is a dust, metal shavings from entering the bearing. The main reasons: to open prematurely before using tapered roller bearings packed pollution; installation dirty work environment, causing pollution; bearing dirty work environment, the working medium pollution.
Recommendation: Do not open before use timken bearing packaging; installed to keep the environment clean installation of bearings to be used for cleaning; enhanced bearing seals.

 


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