Vacuum Furnace Structure and Function

Vacuum furnace is generally composed of main engine, furnace, electric heating device, sealed furnace shell, vacuum system, power supply system, temperature control system and outside furnace transport vehicle. Sealing furnace shell is welded with carbon steel or stainless steel, and the joint surface of removable parts is sealed with vacuum sealing material. In order to prevent the shell from deforming and sealing material from deteriorating after heating, the shell is usually cooled by water or gas. The furnace is located in a sealed shell.

According to the use of the furnace, the furnace is equipped with different types of heating elements, such as resistance, induction coil, electrodes and electronic guns. The vacuum furnace for smelting metals is equipped with crucibles, and some are equipped with automatic pouring devices and loading and unloading manipulators. The vacuum system is mainly composed of vacuum pump, vacuum valve and vacuum meter.

Vacuum Furnace Function:

Vacuum quenching (tempering, annealing) is a method to achieve the desired performance by heating and cooling materials or parts in vacuum according to process regulations.

Vacuum brazing is a kind of welding process in which a group of welding parts are heated to the melting point temperature of filler metal above but below the melting point temperature of matrix metal under vacuum condition, and the welding seam is formed by wetting and flowing of filler metal to matrix metal (brazing temperature varies with material).

Vacuum sintering is a method of sintering metal powder products into parts through adhesion and diffusion of adjacent metal powder grains by heating them in vacuum.

Vacuum Debinding Furnace


Vacuum Heat Treatment Furnaces


Vacuum Brazing Furnace


Vacuum Induction Melting Furnaces