Water is the most stable substance in the physical and chemical properties of nature, rich in resour... (more…)
According to the characteristics of bearing processing, there are two main types of equipment used:... (more…)
Relation curves of quenching intensity, hardening capacity and flow velocityIt can be seen from the... (more…)
control the amount of subsequent burden added each time, and adopt the feeding method of adding a sm... (more…)
Combined with the graph analysis of the characteristic points of the cooling curve, it is concluded... (more…)
Before operation, first be familiar with the heat treatment process and the equipment to be used.Whe... (more…)
In the study of cooling curve, people have done a lot of work and made valuable research results. Ho... (more…)
For some high alloy steels, such as D2.D3, the volume or length decreases as the temperature of the... (more…)
The figure shows the Grossman of quenching oil at different flow rates according to the end quenchin... (more…)
Heat treatment is divided into two processes: heating and cooling. The ideal heat treatment quality... (more…)