Imports bearing the causes and prevention of corrosion

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   Import bearing corrosion is caused by a variety of intrinsic and extrinsic factors, summarized in:
  A metal surface finish (the difference of oxygen concentration cell corrosion) .
  2, the metal material chemical composition and structure.ball bearing manufacturer
  3, the solution in contact with the metal surface composition and pH value;
  4, the ambient temperature and humidity.
  5, with the metal surface in contact with the various environmental media.
  6, another human sweat also lead bearing corrosion, and its pH value of 5 to 6. Therefore, in order to prevent hand sweat caused by corrosion, installation and production personnel should wear gloves, do not just hand contact with the imported bearings.

  Coated anti-rust oil to prevent rust skf bearing

  1) soak method: some small imported bearings soaked in anti-rust grease, ball bearing supplier oil film thicknes s by controlling the temperature or viscosity of the antirust oil to reach. Antirust oil to the surface layer on the adhesion.
  Note evenly applied to imports bearing surface 2) Brush Method: Brush, do not produce the accumulation and pay attention to prevent leakage Tu.
  3) spray method: some large rust-proof material is not suitable for immersion oiling, generally about 0.7Mpa pressure filtered compressed air to spray in the air clean place. The spray application of the diluted anti-rust oil or a thin layer of anti-rust oil. This method must be used to improve fire safety and labor protection measures.

  skf bearing surface rust pretreatment method:
  A surface cleaning: cleaning must be combined with the nature of the imported bearing surfaces and conditions. Commonly used methods are solvent cleaning method, the method of mechanical cleaning and chemical treatment of cleaning method.
  2, available filtering surface is dry and clean dry compressed air. Or use the dryer, the drying temperature of 120 ~ 170 ℃, and finally dry with a clean gauze.ball bearing suppliers