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NSK bearing the methods and measures for corrosion prevention - bearing knowledge

by:Waxing     2020-05-25
NSK bearings NSK bearing corrosion causes and prevention methods of corrosion is caused by a variety of internal and external factors, sum up the main are: 1, metal surface finish, The oxygen concentration cell corrosion) 。 2, metal materials chemical composition and the structure itself. 3, contact with the metal surface composition and pH value of solution; 4, environmental temperature and humidity. 5, and various environmental medium metal surface in contact. 6, the other person's sweat is why cause bearing corrosion, its pH value of 5 ~ 6. So in order to prevent hand sweat cause corrosion, installation and production personnel should wear gloves, NSK bearings don't contact with the hand. NSK bearings tu rust-proof oil to prevent rust 1, soaking method: small NSK bearings by soaking in antirust oil, oil film thickness can be controlled by the antirust oil temperature or viscosity to achieve. Make a layer of anti-rust oil on its surface adhesion method. 2, brush, brush the note evenly daub on surface of NSK bearings, don't build up, also should pay attention to prevent leakage. 3, spray method: some big rust is not suitable for oil by soaking method, generally about 0. 7 mpa pressure filtering compressed air spraying where clean air. Spray method used solvent XiShiXing rust-proof oil or thin layer of anti-rust oil. This method must be used to perfect fire prevention and labor protection. NSK bearing surface rust pretreatment method: 1, surface cleaning: NSK bearing surface cleaning must be combined with the nature and conditions of that time. Methods are usually used solvent cleaning, mechanical cleaning and chemical cleaning method. 2, the surface after dry clean dry compressed air to blow dry available filtering. Or use dryer to 120 ~ 170 ℃ temperature drying, the final use clean cloth to wipe dry.
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