It is a very common method to use the sense of hearing to identify the irregular operation of the bearing. For example, using an electronic stethoscope to detect abnormalities in a part is often a method used by experienced operators.
The sounder can be used to check the size and sound quality of the rolling sound of the running bearing. Even if the bearing is slightly peeled off, abnormal sounds and irregular sounds can be emitted, which can be distinguished by the sounder.
If the bearing is in a good continuous state, it will make a low humming sound. If a sharp voice is heard, the voice and other irregular sounds often indicate that the bearing is in a bad transition condition.
Sharp squeaking noise may be caused by improper lubrication. Improper bearing clearance can also cause metallic sound. The indentation of the concave track on the outer ring of the bearing causes vibration and produces a smooth and crisp sound. If the knocking flaw caused by the installation also produces noise, the noise will vary with the speed of the bearing.
If there is intermittent noise, the rolling parts may be damaged. This sound occurs when there is a contaminant in the bearing when the damaged surface is crushed. Severe co-response damage can create irregular and huge noise.
1. When rough washing, remove grease or adhesive with a brush or the like in the oil. At this time, if the bearing is rotated in the oil, be careful that the rolling surface will be damaged by foreign matter or the like.
2. When cleaning, slowly rotate the bearing in the oil and carefully.
3. The cleaning of the bearing is divided into rough washing and fine washing. The bearing can be placed on the bottom of the used container.
Usually, the cleaning agent to be used is neutral water-free diesel oil or kerosene, and a warm alkali liquid or the like is sometimes used as needed. Regardless of which cleaning agent is used, it is often filtered and kept clean. Immediately after cleaning, apply anti-rust oil or anti-rust grease to the bearing.
The sounder can be used to check the size and sound quality of the rolling sound of the running bearing. Even if the bearing is slightly peeled off, abnormal sounds and irregular sounds can be emitted, which can be distinguished by the sounder.
If the bearing is in a good continuous state, it will make a low humming sound. If a sharp voice is heard, the voice and other irregular sounds often indicate that the bearing is in a bad transition condition.
Sharp squeaking noise may be caused by improper lubrication. Improper bearing clearance can also cause metallic sound. The indentation of the concave track on the outer ring of the bearing causes vibration and produces a smooth and crisp sound. If the knocking flaw caused by the installation also produces noise, the noise will vary with the speed of the bearing.
If there is intermittent noise, the rolling parts may be damaged. This sound occurs when there is a contaminant in the bearing when the damaged surface is crushed. Severe co-response damage can create irregular and huge noise.
1. When rough washing, remove grease or adhesive with a brush or the like in the oil. At this time, if the bearing is rotated in the oil, be careful that the rolling surface will be damaged by foreign matter or the like.
2. When cleaning, slowly rotate the bearing in the oil and carefully.
3. The cleaning of the bearing is divided into rough washing and fine washing. The bearing can be placed on the bottom of the used container.
Usually, the cleaning agent to be used is neutral water-free diesel oil or kerosene, and a warm alkali liquid or the like is sometimes used as needed. Regardless of which cleaning agent is used, it is often filtered and kept clean. Immediately after cleaning, apply anti-rust oil or anti-rust grease to the bearing.
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Label: How to check the bearing rolling sound
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