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Was dismantled when regular maintenance checks bearing equipment, running checks and peripheral parts replacement, to determine whether the use of an inferior race again or use of good and bad. To carefully investigate and record split down the bearing and appearance of the case, in order to clar...

Bearing in the work, which will be due to changes in the size and structure of the material changes. This shift by temperature, time and stress influence.

At present, the domestic auto industry has been rapid development, the future of automotive bearings industry will usher in a new round of technological innovation.

In recent years, the overall size of the domestic production and the increasing expansion of the bearing industry, bearing a sharp increase in the number of enterprises. Among the nearly 2000 companies, nearly half the number belongs to large enterprises.

Symptoms usually manifested as two rolling bearings, one bearing installation site temperature is too high, the second is bearing noise operation.

First, contact fatigue strength Bearing under the effect of the cycle load, the contact surface is very prone to fatigue failure, i.e. cracking spalling occurs, which is the main form of damage to the bearing. Therefore, in order to improve the service life of bearings, bearing steel must have a...