The crystal structure and chemical properties of silicon nitride

The crystal structure and chemical properties of silicon nitride

Silicon nitride is a synthetic refractory raw material with good wear resistance, high-temperature resistance and corrosion resistance. In the application of refractory ma...
Installation and adjustment of high-speed bearings

Installation and adjustment of high-speed bearings

1. The fit and clearance of high-speed bearings . Because high-speed bearings must meet the requirements of high-precision bearings and high-temperature bearings , the fol...
What factors depend on the heating temperature of SKF bearings?

What factors depend on the heating temperature of SKF bearings?

The heating temperature of SKF bearings depends on the bearing size and the required interference. Regarding the precautions of SKF bearing hot packaging operation, the fo...

Introduction of Zirconia Ceramic Ball

Tech93Days Ago (07-14)
The primary colour of high-purity ZrO2 is white, and it appears yellow or grey when it contains impurities. The density of zirconia is 5.6g/cm3, and the melting point is 2...

Spherical roller bearing clearance selection

Tech128Days Ago (06-09)
Principles for selecting the clearance of spherical roller bearings: 1. Use tight fit, where the temperature difference between the inner and outer rings is large, the fr...

How to improve the hardness and wear resistance of TC11 alloy tube and titanium alloy material

Industry148Days Ago (05-20)
The carburizing of titanium alloy generates a TiC phase on the surface, which has very high hardness. However, the bonding force between the TiC layer and the substrate is...