The so-called oil-free bearing generally refers to the sliding bearing, which belongs to a kind of sliding bearing. If the oil-free bearing is defined by whether there is oil in the lubricant, water lubrication, air lubrication, electromagnetic and so on can also be included in the oil-free bearing. Here, only the self-lubricating material or oil-bearing material is used, which is made by special process and does not need to add lubricant in the working process.
Oil free bearing mainly refers to the inlaid solid lubrication bearing and self lubrication bearing.
Today, I will introduce the application characteristics and advantages of self-lubricating bearings
The self-lubricating bearing is made of self-lubricating material or oil-bearing material through special process.
The application features and advantages are as follows:
1. No oil lubrication or less oil lubrication, suitable for places that can not be refueled or are difficult to refuel, and can be used without or less maintenance;
2. Good wear resistance, small friction coefficient and long service life.
3. With proper elastic plasticity, the stress can be distributed on a wide contact surface, and the bearing capacity can be improved.
4. The static and dynamic friction coefficient is similar, which can eliminate the crawling at low speed, so as to ensure the working accuracy of the machine.
5. It can reduce the vibration and noise of machinery, prevent pollution and improve working conditions.
6. The transfer film can be formed in the process of operation to protect the grinding shaft without shaft biting.
7. The hardness requirement of the shaft is low, and the shaft without quenching and tempering treatment can be used, thus reducing the processing difficulty of related parts.
8. Thin wall structure, light weight, can reduce the mechanical volume.
9. Many kinds of metals can be plated on the back of steel, which can be used in corrosive medium.
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