Production method of electrode component for automotive metal halide lamp

An electrode assembly and manufacturing method technology, applied in manufacturing tools, metal processing equipment, welding equipment, etc., can solve problems such as long welding time, uneven discharge on the electrode surface, and welding spot falling off, and achieve good welding consistency and stable laser energy. , to ensure the effect of consistency

Active Publication Date: 2014-11-12
上海亚尔精密零件制造有限公司
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Problems solved by technology

Due to the influence of various factors, it is difficult to guarantee the quality of the welded product, and the consistency of the welding strength is very poor, and there are the following disadvantages:
[0003] (1) The contact surface of the welding electrode is large, and the tungsten wire is extremely thin (0.25mm in diameter), so that the position of the weldment cannot be guaranteed, resulting in unstable welding strength
[0004] (2) The surface of the electrode is uneven due to discharge, which requires a lot of manual grinding work
And useless electrodes will cause pollution after being discarded
[0005] (3) After the subsequent hydrogen

Method used

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  • Production method of electrode component for automotive metal halide lamp

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Embodiment

[0032] A kind of manufacturing method for the electrode assembly of automobile metal halide lamp, manufacturing device such as figure 1 As shown, the tungsten wire to be processed is clamped by the tungsten wire fixture 1, and the molybdenum sheet to be processed is fixed by the molybdenum sheet clamp 3. After the position of the tungsten wire to be processed is precisely controlled, the laser generated by the laser generator 2 passes through the The output of the laser output head is to weld and connect the tungsten wire and the molybdenum sheet. During the manufacturing process, the precise tungsten wire jig and the molybdenum sheet fixture are configured to ensure that the welding position is at the center of the tungsten wire (0.25mm in diameter); the laser generator Equipped with ultra-fine optical fiber to meet the requirements of micro electrode welding; the equipment is equipped with an output energy control system to ensure the stability of welding energy. The power of...

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Abstract

The invention relates to a production method of an electrode component for an automotive metal halide lamp. A tungsten wire tool is used for clamping a tungsten wire to be processed; a molybdenum chip fixture is used for fixing a molybdenum chip to be processed; and after the position, to be processed, of the tungsten wire is precisely controlled, a laser generated by a laser generator is output through a laser emitting head to perform the welding connection for the tungsten wire and the molybdenum chip. Compared with the prior art, a product, produced by the production method, has the advantages of good welding consistency, quality guarantee and large improvement of welding efficiency.

Description

technical field [0001] The invention relates to a method for manufacturing an electrode assembly, in particular to a method for manufacturing an electrode assembly used in an automobile metal halide lamp. Background technique [0002] The welding of tungsten wire electrodes in automotive metal halide lamps has always been traditional electrode resistance welding. This technology adopts discharge welding of upper and lower tungsten electrodes, that is, the tungsten wire and molybdenum sheet are pressed between the two electrodes, and current is applied to utilize the current flow. A method in which a metal bond is formed by heating it to a molten or plastic state through the resistive heating effect produced by the contact surface of the workpiece and the adjacent area. Due to the influence of various factors, it is difficult to guarantee the quality of the welded product, and the consistency of the welding strength is very poor, and there are the following disadvantages: ...

Claims

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Application Information

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IPC IPC(8): B23K26/21B23K26/60
CPCB23K26/032B23K26/14B23K26/24
Inventor 胡欣刘宏何健荣
Owner 上海亚尔精密零件制造有限公司
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