Defined by the structural design parameters of bearing stiffness, flexibility, quality, damped vibration system under operating conditions posed by adapting and mechanical vibrations.
The vibration caused by variation in the manufacturing process, deviations smaller, smaller the vibration. Steel ball surface roundness, roughness, waviness and surface are what are the main factors affecting the bearing?
Defined by the structural design parameters of SKF bearing stiffness, flexibility, quality, damped vibration system under operating conditions posed by adapting and mechanical vibrations.
The vibration caused by variation in the manufacturing process, deviations smaller, smaller the vibration. Steel ball roundness, surface waviness and surface roughness are the factors having the greatest effect on vibration of bearing parts, followed by the inner ring and outer ring raceway surface roughness and shape errors of again for bearing cleanliness and quality of lubricants.
Operating conditions such as installation conditions, speed, axial load borne by direction, values, and so on.
Bearing noise
Sound is caused by vibration, acoustic characteristics of vibration. Characterization of the noise sound intensity level, sound pressure level, sound power level. Sound intensity level of expression is:
L1=10log(I/I)。
L1 is the sound intensity level (dB)
I sound intensity (W/m2)
Sound intensity I0 benchmarks, 10-12W/m2, the threshold intensity is 1000HZ.
Sound is caused by vibration, acoustic characteristics of vibration. Characterization of the noise sound intensity level, sound pressure level, sound power level. Sound intensity level of expression is:
L1=10log(I/I)。
L1 is the sound intensity level (dB)
I sound intensity (W/m2)
Sound intensity I0 benchmarks, 10-12W/m2, the threshold intensity is 1000HZ.
Vibration acceleration level of expression is:
L=20log(a/a)。
L, vibration acceleration level (dB)
A, within a frequency range of vibration acceleration of root-mean-square value (m/S2)
a0 =9.81×10-13m/S2
Test FAG bearing vibration acceleration of instrument is widespread and bearing noise and detection devices are very complex, general business there is no such device.
Bearing failure-prone in the course, we do experience problems to check. When the professional and technical personnel at the scene then check out bearing failure, is a very difficult thing and blow up!
However, the fault occurred, it must resolve!
First of all, we need to remove the failed bearing, because the bearings are fairly sophisticated parts, directly with the hands, that will cause a sweat stained and lead bearings are rusted, a bearing is wasted, so must take the gloves when taking bearings and checked by professional grease or oil finish.
Is another factor to take into account the compatibility of NSK bearing grease and rust preventive oil and miscibility, if when you replace the lubricant or bearing, received contaminated before loading grease cleaning antirust oil, prevent all incompatible lubricants and lubricating oil directly to the adverse reaction!