The vacuum hot press furnace can be hot pressed and sintered under the condition of inflatable protection

Vacuum hot press furnace is mainly composed of furnace body, furnace door, heating and insulation and temperature measuring system, vacuum system, inflation system, water cooling system, control system, hydraulic system and so on. Vacuum hot press furnace is a periodic operation type, which is widely used in hard alloy, functional ceramics, powder metallurgy and so on for hot pressing sintering under high temperature and high vacuum conditions. It can also be hot pressing sintering under the condition of inflating protection.

The furnace body is a vertical furnace shell, its inner layer is made of stainless steel cylinder, outer layer is carbon steel. The furnace body is divided into two parts, one third of which is the furnace cover which can be opened manually completely on the side, and two thirds of which is the fixed furnace body. The design is unique and easy to operate. The jacket formed between the two layers can pass the cooling water to take away the heat transmitted to the furnace shell, so that the furnace wall temperature does not exceed 60℃, its upper and lower flange welding as a whole. The middle is provided with an infrared temperature measuring hole (with a protective air vent), thermocouple temperature measuring hole, extraction hole and observation hole, platinum rhodium thermocouple is provided with a temperature automatic exit device, infrared temperature measuring observation hole is provided with a glass air blowing anti-fog device, the observation hole used by the operator is provided with a baffle.

Vacuum system: composed of oil diffusion pump, Roots pump, mechanical pump with electromagnetic differential pressure valve (to prevent sudden power failure, mechanical pump oil backflow) air valve, air discharge valve, vacuum butterfly valve, vacuum pressure gauge (±Pa) bellows, vacuum pipe and support.

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