How to choose high quality vacuum heat treatment furnace
Vacuum heat treatment furnace is an important equipment to realize vacuum heat treatment. Vacuum furnace is widely used, mainly for structural steel, heat resistant alloy, precision alloy and material vacuum tempering, annealing, quenching, can also be used for vacuum degassing, brazing and sintering, etc..
Vacuum furnace specifications and a wide variety of models, and with its more and more widely used, manufacturers are increasing, so for the user how to correctly choose the equipment, in order to make it in line with the actual use of the situation, play a better effect?
1, the purchase of furnace to consider the universality of the process, that is, the quenching and tempering temperature range to be wide. In particular, the tempering temperature of high alloy steel is higher and it is very convenient to temper directly without quenching.
2. The control system is the core part of the vacuum heating furnace to ensure its reliability and perfection and its importance. It is better to have monitoring and fault display and recording functions. Remote monitoring function is required for imported equipment, so as to ensure the timeliness of fault handling and reduce fixed maintenance costs.
3, choice of vacuum furnace according to the parts to be heat treatment chemical composition and the heating temperature must meet metal oxide and oxidation of carbon balance points of decompression and to consider the relationship between room do not pursue high high vacuum degree of vacuum degree not only cause the volatilization of alloy elements and will cause the equipment configuration for improvement of the investment cost increase.
4. The forms and materials of the heating elements of the vacuum furnace are different. As plate and rod type for many materials for high quality graphite. The quality of the heating element is related to the speed of temperature rise and the level of temperature, in the selection of time to choose as high performance heating element configuration.
5. The reliability and tightness of the vacuum system configuration are also very important. If unstable or poor sealing is easy to appear vacuum degree is not up to the situation, at this time may change the color or shape of the workpiece, so in the choice of this aspect of the problem must be very attention.
The above are about the selection method of vacuum heat treatment furnace. No matter what kind of equipment is purchased, it is necessary to make a careful comparison, so as to purchase high-quality equipment.
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