The process of making neon lights

In terms of the production process of neon lights, whether it is a bright tube, a powder tube or a color tube, the production process is basically the same. They all need to go through glass tube forming, sealing electrodes, bombardment and degassing, inert gas filling, sealing vents and aging, etc. Craft.

Glass tube forming-the process of making a straight glass tube to burn, bake, and bend into a pattern or text along the outline of the pattern or text through a special flame. The level of the production staff can be seen by the naked eye, and the level is low. Lamp tubes made by personnel are prone to irregularities, too thick or too thin, wrinkles on the inside, and skewed not flat surfaces.

Sealing the electrode-the lamp tube that is about to be bent is connected to the electrode and the exhaust hole through the flame head. The interface must not be too thin or too thick, and the interface must be completely melted, otherwise slow air leakage will easily occur.

Bombardment and degassing-the key to making neon lights. It is a process in which the electrodes are bombarded with high-voltage electricity and the electrodes are heated to burn water vapor, dust, oil and other substances invisible to the naked eye in the lamp electrode, to remove these harmful substances, and to vacuum the glass tube. If the temperature of the bombardment degassing is not reached, the above-mentioned harmful substances will be incompletely removed and directly affect the quality of the lamp. Excessively high bombardment degassing temperature will cause excessive oxidation of the electrode, which will produce an oxide layer on the surface and cause the quality of the lamp to decrease. The completely bombarded and degassed glass tube is filled with appropriate inert gas, and after being experienced, the neon light production process is completed.



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