Silicon Nitride Ceramic Bearing

 

The main material of silicon nitride ceramic is silicon nitride. The melting point of silicon nitride is very high; It can reach more than 2000 degrees Celsius. Therefore, the heat resistance of silicon nitride ceramics is very good. Because of the high strength heat resistance of silicon oxide, it has very good application prospects in machinery manufacturing or internal combustion engine manufacturing.

Advantages of silicon nitride ceramic bearing:

First, the reason why silicon nitride ceramic bearings can operate in special environments and situations is due to the function of silicon nitride ceramics. Friends who have a certain understanding of silicon nitride ceramics should know that its elastic modulus is much higher than that of metals. Additionally, the elastic deformation after the force can reduce the vibration of the machine tool to a certain extent. This is why the spindle of many ultra-fine machine tools will use silicon nitride ceramic materials.

Second, because silicon nitride ceramics have a very high hardness, the bearings made of silicon nitride ceramics have very good wear resistance. In addition, the mechanical strength of silicon nitride ceramics is also very high. Its tensile strength and bending strength are similar to metal, and the compressive strength is extremely high. Especially under high temperature conditions, silicon nitride ceramic bearings can still adhere to high strength and hardness. Thus, compared with other material bearings, silicon nitride ceramic bearings have a longer service life.

Third, as we know, the friction coefficient of silicon nitride ceramic is very small, so silicon nitride ceramic bearings have low heat generation performance. Compared with metal materials, the thermal conductivity function of silicon nitride ceramics is very poor. Due to this, the heat generated by silicon nitride ceramic bearings in operation is very small. Therefore, silicon nitride ceramic bearings are favored by many industries. Welcome inquiry.