tungsten wire, precision machining, plasticity
The plasticity of tungsten wire during precision machining is relatively poor, which is mainly attributed to the inherent characteristics of tungsten material. The following is a specific analysis of the plasticity of tungsten wire during precision machining:
- Physical properties of tungsten materials
High melting point and high density: Tungsten has a melting point of up to 3410℃ and a high density, which requires higher temperatures and greater energy to undergo plastic deformation during machining.
High hardness: Tungsten is a metal with extremely high hardness, which increases the difficulty of its machining, especially in precision machining, which requires finer control and higher machining accuracy.
- Challenges in the machining process
Tool wear: Due to the high hardness and high melting point of tungsten, the tool is prone to wear during machining, which not only affects the machining efficiency, but may also lead to a decrease in machining accuracy.
Surface quality: In precision machining, high requirements are placed on the surface quality of tungsten wire. However, due to the brittleness of tungsten and tool wear during machining, it is difficult to obtain ideal surface quality.
Stress concentration: Tungsten wire is prone to stress concentration during machining, which may cause cracks and fractures, especially in precision machining, where the risk is higher.
- Plasticity improvement methods
Optimize processing parameters: By adjusting processing parameters such as cutting speed, feed rate and cutting depth, the plasticity of tungsten wire can be improved to a certain extent.
Use special tools: Select tool materials suitable for processing tungsten wire, such as carbide tools or ceramic tools, which can reduce tool wear and improve processing efficiency.
Use advanced processing technology: Advanced technologies such as laser processing and ultrasonic processing can improve the plasticity and processing accuracy of tungsten wire to a certain extent.
- Application fields and limitations
Application fields: Although tungsten wire has poor plasticity in precision processing, it is still widely used in electronics, aerospace, medical and other fields due to its excellent physical and chemical properties such as high melting point, high density and high hardness.
Application limitations: In processing that requires high precision and complex shapes, the plasticity of tungsten wire may become a factor that limits its application. Therefore, when selecting materials, it is necessary to weigh them according to specific application scenarios and requirements.
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