What lubricants are used in miniature ball bearings?
What lubricants are used in miniature ball bearings?
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Bearing manufacturer to sell the common three failure modes of the rolling bearing do you know
by：Waxing
2020-11-15
Bearing manufacturer to sell the common three failure modes of the rolling bearing you know source: bearing | last updated: - 2020
07 -
04 bearing manufacturer to sell the common three failure modes of the rolling bearing you know rolling bearing in use process, there are many ways to affect the occurrence of rolling bearing failure of the rolling bearing, in daily use of the most common failure forms mainly has three kinds: fatigue, plastic deformation and abrasive wear.
1, fatigue: for rotation of the rolling bearing, fatigue pitting is the main failure forms, thus mainly life calculation, when it is necessary to make static strength check.
2, plastic deformation: for rotation, low speed or oscillating bearing, local plastic deformation is the main failure forms, thus mainly static strength calculation.
3, abrasive wear: for high-speed bearing, fever and agglutination is its main failure forms, so in addition to the life calculation should check limit speed.
Bearing steel ball crack mainly three reasons: 1, the ball is in use process after installed to the bearing internal crack, crack direction to the direction of rolling material.
2, steel ball core is a clear loose stripe, banded carbide overweight and the surface contains oxygen, calcium, magnesium and other elements.
In addition, the stripe size is about 0.
25 mm, which determine the existence of steel ball the core porosity, belongs to the metallurgical defects, which is lead to steel ball in the use of the main causes of crack occurring in the process.
3, the steel ball that overheating quenching tempering brittleness increases, reduced the compressive strength, make the ball more prone to cracking.
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