What are the factors that cause the corrosion of imported bearings?

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What are the factors that cause the corrosion of imported bearings?

Source: China Bearing Network Time: 2018-03-10
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Reasons for the corrosion of imported bearings and avoidance methods Corrosion of imported bearings is caused by various connotations and external factors; the main conclusions are: 1; metal surface finish (oxygen concentration difference battery corrosion). 2; metal material itself chemistry Composition and layout. 3; solution composition and pH value with metal appearance touch, 4; ambient temperature and humidity. 5; various environmental media touched with 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 rust caused by hand sweat; equipment and production personnel should wear gloves; do not touch the imported bearings with your hands.
Apply anti-rust oil to avoid rusting of skf bearing 1) Soaking method: Some small imported bearings are selected to be immersed in anti-rust grease; the thickness of oil film can be reached by controlling the temperature or viscosity of anti-rust grease. The method of rust and grease. 2) Brushing method: pay attention to uniform coating on the surface of imported bearings when brushing; do not accumulate; also pay attention to avoid leakage coating. 3) Spray method: some large rust-proof materials are not suitable for immersion coating Oil; usually used to filter the compressed air at a pressure of about 0.77MPa in the air sanitation. Spray method is suitable for solvent-diluted anti-rust oil or thin-layer anti-rust oil. This method is necessary to choose a perfect fire prevention and labor protection method.
Skf bearing rust pre-disposal method: 1; appearance hygiene: the need to contact the appearance of the imported bearing appearance and the conditions at the time. Commonly used methods are solvent removal method, mechanical hygiene method and chemical treatment health law. 2; After the surface is dry and clean, it can be dried by filtered dry compressed air. It may be dried with a drier at a temperature of 120~170 °C; finally, it is dried with a clean gauze.
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