Wear failure is one of the common failure modes of NTN imported bearings

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Wear failure is one of the common failure modes of NTN imported bearings

Source: Bearing network time: 2017-09-18
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Wear failure refers to the failure of the relative sliding conflict between the appearances and the failure of the metal surface of the operation. The continued wear will lead to the gradual damage of the NTN bearing parts; and the end of the NTN bearing scale accuracy loss and other related problems. Affects the shape change; the cooperation gap increases and the work appearance changes; can affect the smoothing agent or make the pollution reach a certain extent and form a smooth loss of smooth function; thus the NTN bearing loses the rotation precision or even fails to operate normally. One of the common failure modes of imported bearings; according to the wear method, it can be generally divided into the most common abrasive wear and adhesive wear.
Abrasive wear refers to the abrasion caused by the extrusion of foreign solid particles or hard foreign objects or metal appearance between the outer surface of the NTN bearing bearing operation, and the wear caused by the relative movement of the external surface; often forms a furrow-like wipe on the exterior of the NTN bearing operation in Japan. Injury. Hard particles or foreign matter can come from inside the host or other adjacent parts from the host system are fed into the NTN bearing by smooth media. Adhesive wear refers to the uneven force on the conflict surface due to the microscopic bumps or foreign objects in the conflicting appearance; When the smooth condition is severely deteriorated; heat is generated due to partial conflict; easy to form part of the conflict surface and conflict micro-welding; when the surface is severe, the surface metal can partially melt; the force on the touch surface tears part of the conflicting joint from the substrate And increase the plastic deformation. This adhesive tearing adhesion process constitutes adhesive wear; in general; fine adhesive wear is called scratch; severe adhesive wear is called bite.
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