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About the oscillation of the bearing
Source: Bearing network time: 2017-11-11
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The oscillating system formed by the bearing structural design parameters, stiffness, mass, damping, etc., will undergo oscillations that are compatible with its mechanics under working conditions.
The oscillation caused by the error in the manufacturing process; the more the error is. The roundness, the waviness and the appearance roughness of the outer surface of the steel ball are the most important factors for the oscillation in each bearing part; the second is the inner ring and the outer ring channel. Shape error and appearance roughness; again bearing cleanliness and lubricant quality.
Working conditions such as device conditions; speed; axially accepted load direction; magnitude, etc.
What are the physical quantities that characterize bearing oscillations?
The physical quantities that characterize the bearing oscillations are oscillating displacement; oscillation speed; oscillation acceleration.
Bearing oscillation level and scope of application?
Bearing oscillation (acceleration) is divided into four grades: Z, Z1, Z2, and Z3.
Bearing oscillation (speed) is divided into four levels of V, V1, V2, V3.
Z and V grades are applicable to the bearing manufacturer's inspection of deep groove ball bearings in the scope of the specification rules.
Z1 and V1 are suitable for inspection of bearing products that have normal requirements for bearing oscillation.
Z2 and V2 are applicable to Y series motors and other motor bearings of corresponding requirements.
Z3 and V3 are suitable for the strict demand of oscillation. This level has international advanced level.
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