49棋牌app

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And the reasons for bearing damage

Most damage to bearing damage can be divided into two categories: pre-run damage and run damage. Run before damage occurs during installation or before damage occurs while running in the bearing is running.

Before running the cause of damages:

49棋牌app Incorrect shaft and housing complexes;

Shaft and bearing in a bearing mating surface defects;

49棋牌app Static misalignment;

Installation;

49棋牌app Current through the bearing (high voltage)

Transportation, handling and storage;

Run damage causes:

Fatigue;

49棋牌app Invalid lubrication;

Invalid seal;

Vibrations (fretting corrosion);

Run misalignment;

49棋牌app Current through the bearing (current leakage);

large group


Fatigue

Fatigue by subsurface

Fatigue by surface

49棋牌app Wear

grinding wear

Adhesive wear

Corrosion

49棋牌app Moisture corrosion

Fretting corrosion

Creep corrosion

49棋牌app Fretting corrosion


49棋牌app electrical corrosion


Voltage trop high

Current leakage

Plastic deformation


49棋牌app overload

49棋牌app indentation of Debris

indentationofHandling

49棋牌app Fracture and cracking

Forced breakFatigue fracture

Thermal cracking






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