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The tumbling sound of the bearing can distinguish the fault
Source: Bearing network time: 2014-03-29
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The tumbling sound of the bearing can distinguish the fault:
Use the sounder to check the size and sound quality of the rolling sound of the bearing in operation; even if the bearing has slight peeling and other damage, it will announce the abnormal sound and the irregular sound; use the sounder to distinguish. Use the hearing to identify the sound. The work of the rules is a very general approach. For example, using an electronic stethoscope to detect the abnormal noise of a part is often experienced by the operator.
1. If the bearing is in an excellent transition situation, it will announce a low humming sound. If a sharp voice is announced; the voice and other irregular sounds are often indicated; the bearing is often in a bad connection situation. Sharp å±The noise can be formed by improper smoothness. Inappropriate bearing gaps can also form metal sounds.
2. The dent of the concave track on the outer ring of the bearing will cause oscillation; and form a smooth and loud sound.
3, if the knocking flaws formed by the device will also cause noise; this noise will be different from the bump of the bearing speed.
4. If there is intermittent noise, it means that the rolling parts can be damaged. This sound is an attack when the damaged appearance is overburdened; if there are pollutants in the bearing, it often causes a voice. Severe damage will occur. Irregular and grand noise.
5, bearing damage can of course be detected by hearing; but generally now the bearing has to be replaced immediately can not be replaced. So; better methods such as the use of skf electronic condition monitoring equipment (Electronic Condition Monitoring). The old method uses a wooden stick or a screw to abut the bearing box; the other end is attached to the ear; the new invention can ensure a safer; more accurate estimation of the bearing.
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