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The manufacturing process of tungsten electrodes involves multiple steps to ensure that the final product meets the demanding electrode characteristics. The following are the main manufacturing processes of tungsten electrodes:
The raw material commonly used in manufacturing tungsten electrodes is high-purity tungsten powder. These powders are carefully selected and processed to ensure they are free of impurities to ensure the quality and performance of the electrodes. Tungsten powder is mixed and an appropriate amount of binding agent is added to improve formability. The mixed material is pressed into an electrode blank of the desired shape through a pressing process, usually isostatic pressing or injection molding. This step ensures that the electrodes have good initial shape and density.
Through initial sintering, the electrode blank is sintered into a dense body in a high-temperature environment. This step helps improve the mechanical strength and stability of the electrode. Precision machining is one of the key steps in electrode manufacturing. The electrode blank is processed into an end product with specified size and shape through precision machining processes such as turning and grinding. This ensures that the electrode geometry and surface quality are of a high standard.
Heat treatment is performed to improve the mechanical properties and stability of the electrode. By controlling temperature and time, the electrode undergoes appropriate heat treatment to adjust its crystal structure and properties.
