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Alternative TitleLaser shock life-prolonging method of tungsten electrode of short-arc lamp
乔红超; 赵吉宾; 陆莹
Rights Holder中国科学院沈阳自动化研究所
Patent Agent沈阳科苑专利商标代理有限公司 21002
Other AbstractThe invention discloses a laser shock life-prolonging method of the tungsten electrode of a short-arc lamp. The method comprises: cleaning a workpiece with deionized water, blow-drying the workpiece with nitrogen, and placing the dried workpiece in a drying box at the temperature of 100 degrees centigrade to dry the workpiece for 10 minutes; covering the operating end face of the tungsten electrode with an absorption layer to adsorb laser energy in order to prevent the laser from damaging the surface of the tungsten electrode; installing the tungsten electrode on a workbench and applying a constraint layer to the absorption layer in order to constrain an increase in the shrck force of a laser shock wave; performing pre-impact life-prolonging treatment and impact life-prolonging treatment by using a laser beam with a pulse width of 3 to 40ns, a wavelength of 532 or 1064nm, laser energy of 0.5 to 20J, repetition frequency of 0.1 to 10Hz, a laser beam diameter of 0.5 1o 10mm; removing the absorption layer coating the operating end face of the tungsten electrode; cleaning the workpiece with deionized water and blow-drying the workpiece with dry nitrogen in order to assemble the short-arc lamp. The laser shock life-prolonging method is simple in technology, obvious in life-prolonging effect, high in efficiency, low in cost, and little in pollution.
PCT Attributes
Application Date2014-05-06
Date Available2017-04-12
Application NumberCN201410187970.7
Open (Notice) NumberCN105097381A
Contribution Rank1
Document Type专利
Recommended Citation
GB/T 7714
乔红超,赵吉宾,陆莹. 一种短弧灯钨电极的激光冲击延寿方法[P]. 2015-11-25.
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