knowledges

Production Process Of Tungsten Halogen Lamp

2024-01-05 18:00:06

 

   Principle

    The fundamental principle of the tungsten halogen lamp is the same as that of the incandescent lamp, which is a heat radiation source. The difference is that the tungsten halogen lamp is filled with a special working gas, which is composed of 95% mixed gas (and helium) and 5% high-purity nitrogen, which establishes a tungsten halogen cycle in the bulb.The detailed process is that after the tungsten in the filament evaporates, it will move outside the lower temperature, and then combine with Br to form WBr2 at the tube wall. At higher temperatures, WBr2 will differentiate and the generated W will return to the filament. Br returns to the working gas, which is the whole process of the tungsten halogen cycle.After such a tungsten halogen cycle, the tungsten on the filament does not gradually evaporate, because the "hot" effect is that the filament is blown, and the tungsten is not blackened due to the accumulation of tungsten on the bulb shell, and the life is greatly extended.


   Materials and processes

    The primary materials for producing tungsten halogen lamps are: Quartz tube (Quartz), tungsten (W), Mo (Mo).

    The production process of the tungsten halogen lamp has the following steps:

  Winding——>Flashing——>Welding——>Tabulating——>Pinching——>Pumping——>Magnetic——>Cutting——>Mounting——>Marking——>Burning——>Fully inspection——>Packing。


tungsten halogen lamp



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