The Method Of Preventing Blowout When Splitting Bearing Ring Wire Cutting
The method of preventing blowout when splitting bearing ring wire cutting
PRODUCT
Bearing noise and vibration measurement special instruments and measurement methods
by：Waxing
2020-11-13
Found bearing running noise or vibration than the allowed value or have abnormal phenomenon, should be analyzed further through other means and find out the reason, and to solve them.
To accurately measure the noise or vibration, need to use special instrument, vibration and bearing running state detector (
Some instrument can also measure according to temperature, noise, the degree of wear and tear, shaft voltage and other physical quantities, has certain intelligence analysis function)
。
When used, set the sound level meter for 'A' weighting;
Vibration should be displacement (
Or amplitude, divide into two kinds, double amplitude with single amplitude generally use the former, expressed in S, the unit is mm or microns)
, speed RMS (
In v, the unit is mm/s)
And acceleration RMS (
With a said, the unit is m/s2)
, should be in accordance with the requirements of relevant.
Measurement noise, shall specify the instrument, the distance to the measured bearing general for lm;
When measuring the vibration, should measure the bearing axial, horizontal radial and vertical radial three points, select the biggest point number as the measured results.
Measuring the vibration of motor racing and runtime.
Use electronic xin diagnosis can be clearly monitored bearing internal operation.
When not the instrument, but via a dedicated metal or other bacillus objects in the bearing outer ring position for listening.
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