How to choose high quality vacuum hot press furnace?

Vacuum hot press furnace is an important equipment for vacuum heat treatment. Vacuum furnace has a wide range of uses, mainly used for structural steel, heat resistant alloy, precision alloy and material vacuum tempering, annealing, quenching, can also be used for vacuum degassing, brazing and sintering and other aspects.

1. The purchase of furnace should consider the universality of the process, that is, the temperature range of quenching and tempering should be wide. Especially for high alloy steel, the tempering temperature is higher and it is very convenient to tempering directly after quenching.

2. The control system is the core part of the vacuum heating furnace to ensure its reliability and perfection. Good monitoring and fault display, record function for imported equipment need to be equipped with remote monitoring function so as to ensure the timeliness of fault treatment to reduce the fixed maintenance costs.

3. The selection of vacuum furnace should meet the relationship between metal oxide and carbon oxide balance decompression according to the chemical composition and heating temperature of the parts to be heat treated, and should consider the space not to pursue high vacuum degree. Too high vacuum degree will not only cause the volatilization of alloying elements but also cause the increase of equipment configuration and investment cost.

4. The forms and materials of vacuum furnace heating elements are different. As plate and bar type material for high quality graphite. The quality of the heating element is related to the temperature of the temperature of the high and low, in the selection of high performance heating element configuration as far as possible.

5, the reliability and sealing of the vacuum system configuration is also very important. If the instability or the tightness of the composition is poor, it is easy to reach the vacuum degree of the situation, at this time may change the color or shape of the workpiece, so in the choice of this problem must also pay great attention to.

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