The difference between vacuum hot press furnace and traditional vacuum furnace

The difference between vacuum hot pressing furnace and vacuum furnace is that vacuum hot pressing furnace is often used for rapid and high grade sintering of cerceries, composite ceramics, nano-phase, gradient function, mesoporous nano-thermoelectric, alloy glass non-equilibrium state and biological materials, while vacuum furnace is often used for magnetic treatment of metal materials.

In addition, the structure of vacuum hot pressure furnace and vacuum furnace is also different. The vacuum hot press furnace comprises a sintering furnace and a vacuum pumping part, the sintering furnace comprises a furnace body and a heating chamber installed in the furnace body, the sintering furnace is installed with six leading electrodes, which is characterized by an upper beam of the oil press and a lower beam of the oil press are arranged on the upper and lower parts of the furnace body, the upper beam of the oil press and the lower beam of the oil press are connected by four pillars into a whole; The upper pressure head is connected by the upper water cold pressure head and the upper graphite pressure head, the lower pressure head is connected by the water cold pressure head and the lower graphite pressure head, respectively from the furnace body and the heating chamber, the upper graphite pressure head and the lower graphite pressure head are inserted into the heating chamber, the upper pressure head and the lower pressure head are inserted into the heating chamber, the upper pressure head and the lower pressure head can move up and down.

Vacuum furnace is generally composed of furnace, electric heating device, sealed furnace shell, vacuum system, power supply system and temperature control system. The sealing furnace shell shall be welded with carbon steel or stainless steel, and the joint surface of the detachable parts shall be sealed with vacuum sealing material. In order to prevent the deformation of the furnace shell after heating and the deterioration of the sealing materials, the furnace shell is generally cooled by water or air cooling. The furnace is located in the sealed furnace shell. Depending on the purpose of the furnace, the furnace is equipped with different types of heating elements, such as resistors, induction coils, electrodes and electron guns. The furnace chamber of the vacuum furnace for melting metal is equipped with a crucible, and some are equipped with automatic pouring device and manipulator for loading and unloading materials. The vacuum system is mainly composed of vacuum pump, vacuum valve and vacuum gauge.

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