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Produced rust, it will not only affect the accuracy and surface roughness, and reduced service life, and even end-of-life and can not
To use.
Bearing rust work is an important task, especially rust process, like the bearings in the heat treatment shop pickling, cleaning, grinding, there are many processes. When the products are not water production, sequentially
Completion of processing is necessary to save the library in the middle, the storage process between the bearing rings must be rust-proof.
Traditional rust paint anti-rust oil rust the inadequate bearing process antirust commonly used methods are the following:
1. Soaked in rust-proof tank
Bearing trap immersed in an aqueous solution of 5% sodium nitrite and 0.6% sodium carbonate, rust-proof effect is still good, but many anti-rust tank and other equipment, take up a lot of space, the management is not easy.
2. Dip concentrated sodium nitrite solution
After washing the product, immersed in a 15% -20% sodium nitrite and 0.6% sodium carbonate solution, and then it is stacked up. Its rust shorter period of time using this method, generally only keep for 7-14 days, and in the rainy season due to the wet weather, only for 2-3 days must reprocess takes labor and money.
3 oiled
Like the finished coated with anti-rust oil similar anti-rust paint. This method must be cleaned before the next process is too much trouble.
New rust-proof process for
Joint research and related manufacturers, years of production practice shows, a number of improvements, inter-process rust Shower Spray rust better. Initial roller antirust trial, the semi-finished and finished products daily sodium nitrite solution rinse, three months after testing results found no corrosion, leaching jet rust now bearing trap semi-finished products, so the effect.
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| 7207ATYNDBLP4 NSK | 35 | 72 | 17 |
| 7207A5TYNDBLP4 NSK | 35 | 72 | 17 |