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Causes and prevention methods of corrosion of partial pain bearings

Source: Bearing network time: 2013-06-15

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The corrosion of the painful bearing is caused by various connotations and external factors; the main ones are:
1, metal appearance smoothness (oxygen concentration difference battery corrosion).
2. The chemical composition and layout of the metal material itself.
3. The composition of the solution and the pH value of the touch with the metal surface,
4. Ambient temperature and humidity.
5. Various environmental media that are in contact with the metal appearance.
6, other people's sweat is also the cause of bearing corrosion; its pH value is 5 ~ 6. So in order to avoid hand sweat caused by rust; equipment and production personnel should wear gloves; do not touch the imported bearings with your hands.
Apply anti-rust oil to avoid rusting of the bearing
1. Immersion method: Some small imported bearings are selected to be immersed in anti-rust grease; the thickness of the oil film can be reached by controlling the temperature or viscosity of the anti-rust grease. The appearance of the surface is adhered to a layer of anti-rust grease.
2, brushing method: brushing when paying attention to uniform coating on the appearance of imported bearings; do not pile up; also pay attention to avoid leakage coating.
3. Spray method: Some large-scale anti-rust materials are not suitable for oiling by immersion method; usually, the compressed air with a pressure of about 0.77MPa is sprayed in the air. The spray method is suitable for solvent-diluted rust-proof oil or thin layer rust-proof. Oil. It is necessary to choose a comprehensive fire prevention and labor insurance method.

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