A large-scale tandem ion nitriding furnace is a piece of equipment used for the surface treatment of metal materials. Through the ion nitriding process, it utilizes nitrogen ions to bombard the metal surface in a vacuum environment, forming a nitrided layer. This process enhances the metal's properties such as hardness, wear resistance, and corrosion resistance. The following is a detailed introduction:
The equipment consists of multiple furnaces arranged side by side, enabling simultaneous processing of multiple workpieces and improving production efficiency. For example, the "Wure Suo" brand ion nitriding furnace with multi-furnace tandem and shared hydraulic lifting device, produced by Wuhan Wureyan Heat Treatment Technology Co., Ltd., adopts this structure.
Equipped with a shared hydraulic lifting device, it facilitates the loading and unloading operations of the furnaces. This design reduces the equipment's floor space while improving the level of automation and operational convenience of the equipment.
The workpiece is used as the cathode and the furnace body as the anode. Nitrogen-containing gas is introduced into the vacuum chamber, and a DC voltage is applied. Under the action of the electric field, nitrogen ions bombard and heat the surface of the workpiece. This causes nitrogen elements to penetrate the surface layer of the workpiece and form a nitrided layer, thereby achieving the purpose of surface strengthening. The operating voltage ranges from 400V to 750V, and the treatment temperature is controlled between 500℃ and 650℃.
Compared with traditional nitriding processes, the nitriding cycle of the ion nitriding furnace can be shortened by 30%-50%, and energy consumption can be reduced by 23.5%-60%. This effectively improves production efficiency and lowers production costs.
The ion nitriding process can form a uniform and dense nitrided layer on the workpiece surface, with minimal deformation (generally less than 0.02mm). It can well maintain the dimensional accuracy and surface quality of the workpiece, and is suitable for various materials such as alloy steel, titanium alloy, and molds.
The ion nitriding furnace operates in a vacuum environment and does not use toxic or harmful chemicals. The emission of nitrogen oxides and ammonia escape are extremely low, making it environmentally friendly and compliant with the requirements of green manufacturing.
The multi-furnace structure of the large-scale tandem ion nitriding furnace allows simultaneous processing of multiple workpieces, and each single furnace has a large loading capacity. It can meet the needs of large-scale production and is particularly suitable for the surface treatment of batch parts in industries such as automobile manufacturing, aerospace, and machinery manufacturing.
It is widely used in industries such as automobile manufacturing, aerospace, and nuclear power. It can perform surface strengthening treatment on materials like alloy steel, titanium alloy, and molds, improving the wear resistance, corrosion resistance, fatigue strength, and other properties of the parts.
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