Metal workpiece vacuum annealing furnace

05-15-2025       Author: KJ technology

The vacuum annealing furnace for metal workpieces is a device that performs annealing treatment on metal workpieces in a vacuum environment. It has various important characteristics and application values. The following introduces the working principle, characteristic advantages, and application fields:

Working principle

The metal workpiece vacuum annealing furnace extracts the gas inside the furnace through a vacuum system, creating a high vacuum environment and reducing the contact between the material and gases such as oxygen and nitrogen during the annealing process, effectively avoiding oxidation and pollution. In the furnace, metal workpieces are uniformly heated to a predetermined temperature using resistance heating, induction heating, or other heating methods, allowing the atoms inside the material to obtain sufficient energy to undergo microstructural changes such as diffusion and recombination, thereby eliminating residual stress, improving crystal structure, and enhancing the plasticity and toughness of the material.

Characteristics and advantages

Avoiding oxidation pollution: Annealing in a high vacuum environment can prevent the surface of metal workpieces from oxidation and rusting, ensuring the quality of treatment. The surface of the treated product is bright and does not oxidize.

Improving material properties: It can improve the microstructure of metals, enhance their strength, hardness, corrosion resistance, and other properties, and has the advantages of high production efficiency, low energy consumption, and less pollution.

Suitable for various materials: suitable for stainless steel deep drawn parts, high-speed steel, tool and die steel, alloy structural steel, magnetic materials, titanium alloys, and non-ferrous metals and other metal materials.

High control accuracy: Equipped with advanced control systems, it can accurately monitor and regulate parameters such as temperature, vacuum degree, and time, ensuring the stability and repeatability of the annealing process.

Application area 

In the field of metal materials, metal products that have undergone vacuum annealing treatment exhibit superior performance in industries such as aerospace, automotive manufacturing, and mechanical processing. For example, it is used to manufacture aircraft parts, automotive engine parts, precision mechanical parts, etc., which can improve the reliability and service life of the parts.

In the field of semiconductor materials, it is used in the manufacturing process of semiconductor chips to eliminate crystal defects, improve electrical performance, and thereby enhance the reliability and stability of chips.