Composite Tungsten Electrode Manufacturing Process

In processing industry of rare earth and high-melting-point metal, swaging apparatus and process for multi-component composite tungsten electrode is a technology.Composite tungsten electrode can be prepared from composite tungsten rod, whose manufacturing process is shown as bellow:

Take Φ6.0 of composite tungsten rod as an example. At the temperature of 1450～1500℃, reducing Φ 6.0 of tungsten rod in a Φ 6.0-Φ 5.6 mold, an then Φ 5.6 of composite tungsten rod is formed. Following the same process, under 1400～1450℃:
1. Reduce Φ 5.6 one in a Φ5.2-Φ4.8 mold
2. Reduce Φ4.8 one in a Φ4.4-Φ4.1 mold
3. Reduce Φ4.1 one in a Φ3.9-Φ3.6 mold
4. Reduce it in Φ3.3-Φ3.0 mold; finally a Φ3.0 of composite tungsten electrode is manufactured.

What mentioned above are procedures of making Φ6 composite tungsten electrode material into Φ3 one. This method can be used to make composite tungsten electrode of other standards.

 

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