The manufacturing process of swaged tungsten bars includes the following steps:
1. Raw material preparation: The raw material for swaged tungsten bars usually uses high-purity tungsten powder. These tungsten powders need to be processed through pressing, sintering and other processes to obtain the required shape and properties.
2. Press molding: Put tungsten powder into the mold and apply pressure to form a tungsten billet of a certain shape. During the pressing process, the pressure and pressing time need to be controlled to ensure the compactness and stability of the tungsten billet.
3. Sintering: Put the tungsten billet into a high-temperature furnace for sintering to make the tungsten powders more closely bonded and improve their strength and hardness. During the sintering process, operations such as temperature control and atmosphere control are required to ensure that the quality and performance of the tungsten billet during the sintering process meet the requirements.
4. Rotation processing: The sintered tungsten billet needs to be swaging to obtain the required shape and size. During the rotary forging process, the tungsten billet is processed into tungsten bars with a certain diameter and length through the combined action of rotation and axial compression. During the rotary forging process, parameters such as the rotation speed and feed speed of the rotary wheel need to be controlled to ensure that the shape and size of the tungsten bar meet the requirements.
5. Heat treatment: The tungsten bar after swaging needs to be heat treated to further optimize its performance. During the heat treatment process, operations such as temperature control and atmosphere control are usually required to obtain the required structure and properties.
6. Quality inspection: After heat treatment, the swaged tungsten rod needs to undergo quality inspection to ensure that its performance and quality meet the requirements. Quality inspection includes appearance inspection, dimensional inspection, mechanical property testing and other links. Only swaged tungsten bars that meet the requirements can be considered qualified products.
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