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The structure and working principle of the new vacuum furnace

Heat treatment vacuum furnace the vacuum system of the vacuum furnace USES digital display compound vacuum gauge, USES the ionization gauge tube to measure the high vacuum, USES the resistance gauge tube to measure the low pressure. The heating system composed of preheating chamber and high-temperature workroom has the advantages of good heat preservation and energy saving. In addition, the vacuum furnace is equipped with a new pneumatic gate valve, workpiece feed system and automatic control system. Intelligent and flexible temperature control. In short, the excellent performance of the vacuum furnace has been recognized by the industry. Recommended reading: vacuum furnace heat treatment using what.


Overview of multi-chamber continuous vacuum furnace consists of feeding chamber, preheating chamber, high-temperature workroom, cooling chamber, discharge chamber, intermediate gate valve, vacuum system, workpiece transmission system, water cooling system and electronic control system. . The unique modular design allows users to build different production lines, such as five rooms and eight rooms.


The new vacuum furnace is the further application and extension of induction melting technology. The vacuum furnace body adopts square box structure, practical and beautiful, which can effectively reduce the butt transfer between the furnace chamber outside the furnace and the furnace roller shaft.


When the vacuum degree is higher than 7 Pa, the instrument monitoring point "J1" lights up. At this point, open the front valve and the dispersion pump. Preheat the dispersion pump. When the preheating time of the "dispersing pump" reaches 90 minutes (the counter on the touch screen can be studied), close the "rough pumping valve" and open the "high valve" to send the high vacuum pump to the furnace.


When the vacuum degree reaches the working vacuum degree (when the vacuum meter monitoring point "J3" lights up, note that the set value of the initial monitoring point is high, you can set or reach the required vacuum degree by yourself, turn on the heating), turn on the heating, and then turn on the heating. The watch is activated (the heating curve needs to be compiled beforehand).


After the temperature is raised and the entire holding process is complete, the "process completion" alarm is automatically turned off along with the heating.


If natural cooling is selected, the vacuum furnace equipment will operate as usual, the equipment will be naturally cooled to the outlet temperature, "high valve", "dispersion pump" and "roots pump" will be closed, leaving only "mechanical pump" and "front stage valve". The "dispersing pump" is pumped out and cooled. The knobs can be turned together to the "door open" position. When the vacuum gauge is closed, the manual bleed valve opens and deflates. When the pressure in the furnace and atmospheric pressure balance, furnace door open actively, "manual exhaust valve" can be tightened with the material. When the "dispersion pump" temperature is cooled to room temperature (about 1 hour), "mechanical pump" and "front stage valve" can be closed. Turn off water, electricity and gas. Complete the process.

The structure and working principle of the new vacuum furnace


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