Check the operation of machine status and prepare a thorough inspection program has become increasingly important, Among them, KOYO bearings, as the focus of attention, because it is the most important of the rotating parts in all machines, condition monitoring is an important part of preventive maintenance,early detection of KOYO bearings damage KOYO bearing damage caused by planned maintenance during the equipment to avoid downtime. Below, I just tell you about listening to this approach.
Listen:
    
Hearing to identify the irregular operation is a very common method, examples such as through electronic stethoscope to check the feel of certain parts of the abnormal noise is experienced operatives use. KOYO bearing is in good running condition will be issued a low hum sound, if issued a sharp hissing sound, squeaky sound, and other irregular sounds, it usually means that imports of KOYO bearings in adverse operating conditions.
    
Sharp squeaking noise may be caused due to improper lubrication. Inappropriate KOYO bearing clearance can also cause a metallic sound. KOYO bearings on the outer orbit of the dent will cause vibration, resulting in a smooth and crisp sound, caused due to the installation percussion scars will produce noise, this noise will vary with the level of KOYO bearings speed. If there are intermittent noise, the scroll may be damaged, this sound occurs when damage to the surface is rolling out of date, if KOYO, bearing pollutants often cause a hissing sound, serious KOYO Bearing damage will produce rules, and a great noise.
    
KOYO bearing damage of course, by listening to perceptible, but usually have to KOYO bearings must be replaced immediately is not available. Therefore, a better way such as the use of condition monitoring equipment such as electronic pre-eruptive off KOYO bearings functioning.
    
Than the old method (using a stick or screwdriver against the KOYO bearing box, the other end of the stick to the ear), the use of advanced instruments and a more accurate estimate of the situation of KOYO bearings.



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