The manufacturing process of tungsten bars includes the following steps:
1. Raw material preparation: The first step in manufacturing tungsten bars is to prepare raw materials. High-purity tungsten powder or tungsten bars are usually used as raw materials. These raw materials require strict purity testing and control to ensure that the quality and performance of the final product meet requirements.
2. Press molding: Put the raw materials into the mold and apply pressure to tightly combine the tungsten powder to form a tungsten block with a certain shape and size. During the pressing process, parameters such as the pressure and pressing time need to be controlled to ensure the compactness and stability of the tungsten block.
3. Sintering: Put the tungsten block into a high-temperature furnace for sintering to make the tungsten powders more tightly 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 block during the sintering process meet the requirements.
4. Processing and heat treatment: The sintered tungsten block needs to be processed and heat treated to obtain the required shape and properties. This includes steps such as cutting, grinding, polishing, and heat treatment at a certain temperature to optimize its performance. Quality control and precision control are required during processing and heat treatment to ensure that the quality and performance of the final product meet the requirements.
5. Quality inspection: After processing and heat treatment, the tungsten bar needs to undergo quality inspection to ensure that it meets the requirements. Quality inspection includes dimensional inspection, appearance inspection, performance test and other aspects. Only tungsten bars that meet the requirements can be considered qualified products. The quality inspection process requires strict testing and control to ensure that the quality and performance of the final product meet the requirements.
6. Packaging and Shipping: The last step is to pack and ship. The purpose of packaging is to protect the tungsten bar from damage during transportation and also to increase its aesthetics. After packaging, the tungsten bars are ready to be transported to their destination. During the packaging and transportation process, operations such as safety control and shock-proof control are required to ensure the safety and stability of the tungsten bars during transportation.
Tungsten bar is a metal material with the advantages of high melting point, high strength, good electrical conductivity and corrosion resistance, and is widely used in many fields. Its manufacturing process includes steps such as raw material preparation, press molding, sintering, processing and heat treatment, quality testing, and packaging and transportation. Each step requires strict quality and precision control to ensure the performance and quality of the final product meet requirements
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