Tungsten wire is widely used in precision instruments, mainly due to its high melting point, high strength, corrosion resistance, good conductivity and thermal stability. Here are some specific application areas:
- Optical instruments
Tungsten wire is often used as a light source in optical instruments. Due to its good photoelectric effect, high luminous intensity, and fast heating, tungsten wire has been widely used in precision optical instruments such as optical microscopes and telescopes. In addition, since tungsten wire has a low thermal expansion coefficient, it can be used to manufacture optical instrument parts with high precision requirements, such as lens seats, reflector seats, etc., to ensure the stability and precision of the instrument in high temperature environments.
- Electronic components
Tungsten wire also has important applications in the manufacture of electronic components. For example, in semiconductor devices, tungsten wire is often used as electrode wire, thermocouple wire, etc. Because tungsten wire has good ductility, strong oxidation resistance, high hardness and wear resistance, it performs well in the manufacture of high-reliability electronic components. In addition, tungsten wire can also be used as cathode wire in electron tubes, sound wire in headphones, etc., to provide stable current transmission and signal transmission for electronic components.
- Precision machining
In the field of precision machining, tungsten wire is mainly used in EDM wire cutting, electrolytic machining and vacuum heat treatment. As a guide wire in EDM wire cutting, tungsten wire can drive the electrode for high-speed positioning and high-intensity cutting, ensuring the accuracy and surface quality of the product. In electrolytic machining, tungsten wire is used to process small parts with complex shapes, such as micro gears and micro threads. In vacuum heat treatment, tungsten wire can withstand extremely high temperatures and air pressures, ensuring the stability and performance of precision instruments and instruments in high temperature environments.
- Other precision instruments
In addition to the above fields, tungsten wire also plays an important role in other precision instruments. For example, in the aerospace field, tungsten wire is used to manufacture key components of navigation equipment such as gyroscopes; in the medical field, tungsten wire is used to make key components of medical devices such as high-frequency electrodes and scalpels. These applications make full use of the high strength, corrosion resistance and good conductivity of tungsten wire.
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