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Process Characteristics of Small Vacuum Heat Treatment Furnace

       Small vacuum heat treatment furnace is a new type of heat treatment technology combining vacuum technology and heat treatment technology. The vacuum environment in which vacuum heat treatment is conducted refers to an atmosphere environment lower than one atmospheric pressure, including low vacuum, medium vacuum, high vacuum and ultra-high vacuum. Vacuum heat treatment actually belongs to atmosphere controlled heat treatment. Vacuum heat treatment means that all or part of the heat treatment process is carried out under vacuum, and the quality of heat treatment is greatly improved. Compared with conventional heat treatment, vacuum heat treatment can realize no oxidation, no decarburization, no carburization, remove phosphorus chips on the surface of the workpiece, and have the functions of degreasing and degassing, so as to achieve the effect of bright surface purification.

    Process characteristics of small vacuum heat treatment furnace:

     Metal heat treatment is one of the important processes in mechanical manufacturing. Compared with other processing processes, heat treatment generally does not change the shape and overall chemical composition of the workpiece, but endows or improves the working performance of the workpiece by changing the internal microstructure of the workpiece or changing the chemical composition of the workpiece surface. Its feature is to improve the internal quality of the workpiece, which is generally not visible to the naked eye.

    In order to make the metal workpiece have the required mechanical, physical and chemical properties, in addition to reasonable selection of materials and various forming processes, the heat treatment process is often *. Steel is a widely used material in the mechanical industry. The microstructure of steel is complex and can be controlled by heat treatment, so the heat treatment of steel is the main content of metal heat treatment. In addition, aluminum, copper, magnesium, titanium and their alloys can also change their mechanical, physical and chemical properties through heat treatment to obtain different performance.

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