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Double row deep groove ball bearing NSK configuration operation sound elimination method

by:Waxing     2020-08-28
NSK bearings is metal, but also can damage, whatever the hardest substance will damage, the extent of the damage is not the same, we all know that the double row deep groove ball bearings are of good quality and are good steel manufacturing, steel is very strong, but can also damage, bearing every day in the mechanical operation, friction, it is easy to damage the bearing, so we also want to prevent bearing damage, well bearing maintenance, don't want disorderly use NSK bearings, causing unnecessary loss to oneself. NSK bearing is to ensure that in the large deformation occurring during installation, and from these aspects need to be done, for double row deep groove ball bearing needs to be done there are a lot of the items, the following will introduce about it need to be aware of the effect. Phenomenon: 1) The engine idle speed has no obvious noise during operation, and high speed in the thrum 'giggle' ( ) emitted from crankcase 2) Hurry go after loosening the gas instantaneous sound more obvious. 3) No obvious change after the temperature rise. When the load increases, the sound is growing. 4) NSK bearing noise sound more slow, short. Diagnosis: 1) Engine speed by the idle speed to medium speed when excessive noise is clear, with higher speed, the noise is more outstanding, for bearing ring. 2) Fire test of a cylinder is carried out, the sound diminished or disappeared, for the bearing ring. 3) No matter what speed and temperature are sound and engine vibration, do fire test sound doesn't change, is the NSK bearing alloy ablation.
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