Design Factors of Copper Bonded Tungsten Electrode
Copper bonded tungsten electrode is bonded two different materials with high and low electric conductivity for spot welding in car industry.
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Copper bonded tungsten electrode is bonded two different materials with high and low electric conductivity for spot welding in car industry. Tungsten electrodes have been so popular for TIG welding and GTAW welding, including cerium doped, lanthanum doped, yttrium doped, thorium doped, zirconium doped, etc. but besides them, there are many other welding types and electrodes, such as spot welding and copper bonded tungsten electrode. The design factors of copper bonded type are much more accurate than rare earth doped. 1.0 The tungsten part is as pure as 99.95% min. 2.0 The bonding of tungsten and copper is using special welding, so that the welding layer is without resistance and crack. 3.0 The whole processes of sizes and bonding are applied cold processing by grounding machine, wire cutting, so that the properties are remained. 4.0 Higher requirements on the sizes and tolerances. 5.0 This kind of bonded electrodes have been many types, the choose of one part is with high electric conductivity, such as copper, silver, etc. the other part is with low electric conductivity, which is to make sure the welding electrode is not left on the surface of welding objectives during welding, the materials can be tungsten, tungsten copper, molybdenum, etc. And copper bonded type tungsten electrode is the most popular one in spot welding. Copper bonded tungsten electrode are combined the advantages of copper and tungsten. Copper part is applied its high electric conductivity, which can convey the heat to electrode in high speed. Tungsten part receives the heat and the materials between the upper and down electrodes are yielded and squeezed together. More details, please visit: http://h5.chinatungsten.com/tungsten-copper/copper-bonded-tungsten-electrode.html.
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