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The level of skill in bearing production continues to increase; oscillations and noises, which reflect one of the dynamic functions of bearings, are becoming more and more important. The user’s knowledge of the characteristics of bearing oscillations and noise is becoming more and more sensitive; demand is also increasing. . /*250*250 was created on 2017/12/25*/ var cpro_id = 'u3171089';
The oscillation of the bearing refers to the movement of the bearing parts in the middle of the instantaneous position against the aspirational direction, the elastic deformation of the bearing parts changing with time, and all the movements necessary for the rotation of other bearings; commonly known as the oscillation of the bearing.
Regarding the detection of the oscillation value of a single bearing; two measurement units are currently selected. One is an acceleration type; the measurement unit is decibel (dB); the group code is Z1, Z2, Z3, and the other is speed type; Micrometers per second (um/s); group codes are ZV1, ZV2, ZV3. These marked bearing oscillation groups additionally make up the code on the right side of the bearing code.
The oscillation and noise of the bearing are closely related to each other; since the oscillation is the origin of the noise; the noise is the representation of the oscillation; therefore; in the process of bearing production and detection; after strictly controlling the oscillation value of the bearing; to reach the intention of manipulating the bearing noise.
When selecting the bearing oscillation group; it is necessary to determine the bearing according to the detailed application conditions. If the host has special requirements for the smoothness of the work; the bearing should be selected to be suitable for the oscillation group; Rules; such as machine tool spindles, etc.. Where there is a need for bearing oscillation and noise; such as cars and airplanes; the same should be used for the corresponding oscillation group of other bearings; talent to reach the operational requirements. There is special demand for bearing noise; Some household appliances such as fans; bearings with low noise should be selected;
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About the bearing oscillation group, another choice of tips
Source: China Bearing Network Time: 2014-06-19