Basic structure of vacuum hot press furnace

Vacuum hot press furnace is widely used for hot pressing sintering of hard alloy, functional ceramics, powder metallurgy and so on under high temperature and high vacuum conditions. It can also be hot pressing sintering under the condition of inflatable protection.

1, the electric furnace is vertical structure, using double water sandwich structure, the inner and outer walls and flange are 304 stainless 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.

2. 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) filling valve, discharge valve, vacuum butterfly valve, vacuum pressure gauge (±Pa) bellows, vacuum pipe and bracket.

3, hydraulic system: the use of electric input. The hydraulic station is equipped with imported proportional valve, pressure sensor, displacement display using grating ruler (ranging accuracy 0.02mm), hydraulic cylinder and other related hydraulic devices, pressure regulation semi-automatic, can be manually adjusted. The instrument can be set to automatically adjust the pressure, and can achieve pressure regulation and pressure preservation.

4, water cooling system: composed of a variety of valve pipeline related devices and with water cut off sound and light alarm automatically cut off the heating source or function.

5, temperature control system: using silicon controlled temperature control, equipped with PID functional instrument, digital display table, with overtemperature sound and light alarm function, can also choose PLC touch screen automatic control, and retain historical data, easy to analyze the sintering process.

6, inflation system: by a variety of pipes and valves, and equipped with electromagnetic exhaust valve, pressure sensor, when the pressure in the furnace is higher than the Z high value will be automatically deflated, inflation pipe is equipped with a needle valve, can control the air flow.

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