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What methods of bearing rust

Source: Time:2016-08-25 18:05:00 frequency:

1) surface cleaning: cleaning must be rust in accordance with the nature of the surface and the conditions, select the appropriate method. There are usually used solvent cleaning bearing seat, chemical cleaning and mechanical cleaning.

2) the surface available filter after dry clean dry compressed air blow dry, or in 120 ~ 170 ℃ dryer for drying, also can use clean cloth to wipe dry.

Coating anticorrosive oil method

1) soaking method: some small items by soaking in antirust oil, make its surface adhesion on a layer of anti-rust oil. The temperature of the oil film thickness can be controlled by anti-rust oil or viscosity to achieve.

2) brush method used for soaking or spraying outdoor construction equipment or not apply special shaped products, brush should not only pay attention to not build up, also should pay attention to prevent leakage. Luoyang bearing factory) for users to customize spherical roller bearing, angular contact ball bearing, self-aligning ball bearing, deep groove ball bearing, cylindrical roller bearing, tapered roller bearing, special bearing, needle roller bearing.

3) spray some big rust cannot be oiled by soaking method, approximately 0.7 Mpa pressure filter is commonly used in compressed air for spraying in clean air. Spray method used solvent XiShiXing rust-proof oil or thin layer of anti-rust oil, but must use perfect fire protection and labor protection measures.

What are the main factors influencing the metal corrosion?

Metal corrosion is caused by a variety of internal and external factors, induces mainly has:

1) metal material chemical composition and structure of itself; Imported bearing net columns are: bearing applications, bearing type query, bearing model, the types of bearings, imported bearings, bearing model knowledge daquan, bearing.

(2) metal surface finish (oxygen concentration cell corrosion);

(3) contact with the metal surface composition and pH value of solution; China bearing network common types: wheel bearings, full roller bearings, insert ball bearing, rolling mill bearings, thrust roller bearings, joint bearings, linear motion bearings, thrust ball bearings, one-way bearing.

(4) environmental temperature and humidity;

(5) the various environmental medium metal surfaces in contact with.

Why hand sweat will cause metal corrosion?

Sweat is a colorless transparent or light with salty in weak acid liquid, its pH value of 5 ~ 6. In addition to containing sodium, potassium, calcium, magnesium salt, also contains a small amount of urea, lactic acid, citric acid and other organic acids. When contact with sweat and metal on metal surface to form a film of sweat, sweat film will cause electrochemical action on metals, the corrosion of metal.