Painting skills: the reasons for the corrosion of imported bearings and solutions

December 24, 2020

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Painting skills: the reasons for the corrosion of imported bearings and solutions

Source: China Bearing Network Time: 2018-02-12

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The reason for the falling edge of imported bearings and preventive measures: the falling of the imported bearing F is caused by various connotations and external factors; it is summarized as follows: 1; metal surface finish (oxygen concentration difference battery collapse). 2; metal material itself chemical elements and planning. 3; with the metal surface of the solution elements and pH, 4; ambient temperature and humidity. 5; intersect with the metal surface of the various environmental media. 6; others sweat F also caused the cause of bearing collapse; its pH value is 5 ~ 6. In order to guard against sweat, the rust should be worn; the settlers and production personnel should wear gloves; do not use the hand-bearing imported bearings. Apply anti-rust oil to guard the SKF bearing rust. 1) Soaking method: some small imported bearings receive immersion in anti-rust grease In the oil film thickness can be agreed to control the temperature or viscosity of the anti-rust grease to reach. The surface is adhered to a layer of anti-rust grease method. 2) Brushing method: brushing too fine and evenly on the surface of the imported bearing; do not breed Also need to be careful to leak the coating. Dingda imported bearings - Miss Wang 3) Spray method: some large anti-rust materials should not be used to receive the immersion method; the same common to about 0. 7Mpa pressure The filter air is sprayed in the air to clean the local spray. The spray method is solvent-diluted anti-rust oil or thin-layer anti-rust oil. This method is necessary to receive perfect fire and labor protection steps. SKF bearing surface rust pre-disposal method: 1; Surface cleanliness: It is necessary to combine the surface properties of the imported bearings with the conditions of the time. The same methods are often used for solvent washing, plate stagnation and chemical treatment. 2. Surface scouring and cleaning can be dried by filtration and drying air. About boring with a drier at a temperature of 120~170 °C; the end is dried with a clean gauze.
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