Main Points of Vacuum Quenching Furnace Equipment

Vacuum heat treatment has been widely used in developed countries such as Europe, America and Japan for its advantages of no oxidation, no decarburization, small distortion, and degassing and degreasing, and has also developed rapidly in my country. Vacuum heat treatment effectively overcomes the defects of traditional atmosphere heating, and is widely used in carburizing, quenching, tempering, annealing and other heat treatment processes of stainless steel, structural steel and spring steel, among which vacuum quenching is the most widely used in industry.

The vacuum furnace is mainly composed of the main body, the vacuum system, the charging system, the electric control system and the out-of-furnace material car. The performance of the vacuum furnace is closely related to the quality of heat treatment products. In order to ensure that the performance of the vacuum furnace meets the specified heat treatment requirements, it is necessary to reasonably detect various indicators of the vacuum furnace. The most critical ones are the vacuum degree and temperature uniformity. Oxidation of the workpiece may be caused; and temperature uniformity has an important impact on the final hardness uniformity and deformation of the part.

The pressure control parameters of the vacuum furnace include vacuum degree and pressure rise rate, which are important parameters affecting the oxidation degree of heat treatment products and the service life of equipment. To detect the pressure control parameters of the vacuum furnace, it is necessary to use the vacuum gauge after the calibration to measure, and the vacuum gauge generally selected for the detection is the resistance ionization composite vacuum gauge.

The temperature uniformity of the vacuum furnace reflects the deviation of each detection point in the effective heating area of ​​the furnace from the control set temperature. Generally speaking, the furnace temperature uniformity is required to be within ± 5 ℃. If the furnace temperature uniformity is unqualified, that is, there is a large deviation between the set temperature and the actual temperature in the furnace, the hardness or other mechanical properties of the processed parts will not meet the process requirements, which will affect the product quality.

Even if the vacuum furnace follows strict standards in the manufacturing process, in order to ensure the quality of industrial production and equipment stability during long-term use, it is necessary to conduct comprehensive inspections of the vacuum furnace on a regular basis. Therefore, it is particularly important to choose a vacuum furnace manufacturer that can provide high-quality products and at the same time provide testing and maintenance services.

SIMUWU has more than ten years of experience in vacuum furnace production and maintenance, and has a very mature experience in this field. Among them, RVGQ series vacuum air quenching furnace is one of its most popular product series, and has achieved excellent sales results in developed countries.

SIMUWU has a very professional team of engineers who can help producers to complete a series of procedures from installation to inspection, so as to achieve fast and efficient production. The choice of a high-quality vacuum furnace is the first step towards success for the producer.