Vacuum furnace air pressure quenching

Vacuum furnace air pressure quenching

Vacuum heat treatment is a kind of the increasing popularity of heat treatment technology, widely used in aerospace, automotive and machine tool industry. This paper focuses on the development of the vacuum furnace pressure quenching system, the system guarantee to obtain good metallurgical performance in the process of hardening workpiece and has the least deformation.
For the heat treatment, in the process of vacuum hardening of many of the issues has become the primary problem of distortion of work piece. For manufacturers of vacuum furnace, its purpose is to provide can obtain satisfactory metallurgical properties while maintaining stable equipment size. The cause of the deformation of workpiece deformation may occur in any heat treatment process, the possible reasons is the rapid heating caused by the thermal gradient within the workpiece forming serious thermal stress and led to the workpiece's deformation.
It is necessary to estimate workpiece deformation, there are two reasons for this. First of all, the most by the vacuum heat treatment of workpiece in service with other parts in the assembly, excessive deformation may inhibit the interaction required. Second, then correct deformation process is expensive, and may have harmful effects on the metallurgical properties of workpiece. 3. More fluid concept Strictly speaking, a degree of deformation is impossible to avoid. But several methods available to minimize deformation, in order to obtain the minimum deformation, developed the first flow gas quenching system. The system and hydraulic parts of heating and quenching cycle has a very good control.