Washing oil, gasoline, ethanol, dehydrated liquid, neutral or alkaline cleaning agents can be used to clean SKF bearings. However, it should be noted that "gasoline, washing oil, ethanol and dehydrated liquids are flammable; alkaline cleaners are corrosive.
The danger of burning, exploding and decomposing with hydrogen chloride-based solvent oil may also be harmful to health. When cleaning SKF bearings, use tools such as sharp brush, flat brush or fiber-free fabric. Once the solvent is evaporated, the SKF bearing is immediately coated with anti-rust oil. When SKF bearings have hardened oil or grease residues, the SKF bearings can be cleaned mechanically first and then treated with an aqueous solution of a strong alkaline material.
1. In the process of producing bearings, some enterprises did not strictly carry out anti-rust treatment on the bearing parts in the process and the assembled SKF bearing products in accordance with the requirements of cleaning anti-rust regulations and oil seal anti-rust packaging. If the ferrule has a long turnaround time during the turnaround, the outer ring of the outer ring is exposed to corrosive liquid or gas.
2. The quality of anti-rust lubricating oil and cleaning kerosene used by some enterprises in production cannot meet the requirements of process technology.
3. As the price of SKF bearing steel drops and then drops, the bearing steel material gradually declines. For example, the content of non-metallic impurities in the steel is too high (the increase in sulfur content in the steel causes the corrosion resistance of the material itself to decrease), the metallographic structure deviation, and the like. The source of bearing steel used in production companies is more complicated, and the quality of steel is even more.
4. Some enterprises have poor environmental conditions, high levels of harmful substances in the air, and too little turnover space, making it difficult to carry out effective anti-rust treatment. Coupled with the hot weather, production workers violated anti-rust procedures and other phenomena.
5, some enterprises' anti-rust paper, nylon paper (bag) and plastic cylinders and other SKF bearing packaging materials do not meet the requirements of rolling bearing oil seal anti-rust packaging is also one of the factors causing corrosion.
6. The turning allowance and grinding allowance of some SKF bearing rings are small, and the oxide scale and decarburization layer on the outer circle are not completely removed.
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