| 铜钨触头中频钎焊研究与应用 |
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| 引用本文： | 梁谦.铜钨触头中频钎焊研究与应用[J].高压电器,2012,48(7):8-10. |
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| 作者姓名： | 梁谦 |
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| 作者单位： | 西安高压开关有限责任公司,西安,710018 |
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| 摘 要： | 触头元件由紫铜(铬铜)与(CuW70)组成,在开关设备中起着关键作用,承受高温、高压、耐磨,并有一定的强度要求(冲击),其焊接质量的好坏直接关系到开关产品质量的优劣。笔者单位对触头焊接多采用火焰钎焊,效率低,合格率低,严重地制约着生产。为了解决这个难题,笔者通过大量工艺试验和详细论证认为,高速局部加热,氧化少、硬度降低小,效率高的中频感应加热是触头焊接的最有效的方法。
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| 关 键 词： | 钎焊 润湿性 钎着率 探伤 |
Research and Application of Medium-frequency Brazing of Cu-W Contact |
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| LIANG Qian.Research and Application of Medium-frequency Brazing of Cu-W Contact[J].High Voltage Apparatus,2012,48(7):8-10. |
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| Authors: | LIANG Qian |
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| Affiliation: | LIANG Qian(Xi’an High Voltage Switch Limited Liability Company,Xi’an 710018,China) |
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| Abstract: | Contact component which is made of red copper and CuW70,plays an important role in switchgear applications.It withstands high temperature,high voltage,wear resistance and certain strength.The quality of products is directly determined by the welding state.In the past,our company used flame brazing in contact welding,low efficiency,low passing rate,seriously restricted the production.In order to settling this problem,we demonstrates that medium-frequency induction heating with high efficiency is the most useful way for welding of contactors part because heating with high rate could reduce oxidization and increase hardness by experiment and discussion. |
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| Keywords: | brazing wettability brazing rate flaw detection |
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