| 铝合金点焊过程振动信号频谱分析 |
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| 引用本文： | 薛伟峰,单平,胡绳荪,廉金瑞,罗震.铝合金点焊过程振动信号频谱分析[J].电焊机,2002,32(8):19-21. |
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| 作者姓名： | 薛伟峰 单平 胡绳荪 廉金瑞 罗震 |
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| 作者单位： | 天津大学材料学院,天津,300072 |
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| 基金项目： | 教育部科技重点资助项目(99021)，国家自然科学基金资助项目(50045019) |
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| 摘 要： | 频谱分析是试验数据处理的重要方法之一。通过对铝合金点焊过程中电极振动信号的频谱分析，提取振动信号中的特征量，来判断点焊过程中熔核形成及飞溅发生。试验证明，利用振动信号的频谱分析能够有效地对铝合金点焊过程进行监控，是提高铝合金点焊质量的一种有效方法。
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| 关 键 词： | 铝合金 点焊 振动信号特征量 飞溅 频谱分析 |
| 文章编号： | 1001-2303(2002)08-0019-03 |
| 修稿时间： | 2002年4月15日 |
Frequency analysis of the vibration signals in the aluminum spot welding |
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| XUE Wei-feng,SHAN Ping,HU Sh eng-sun,LIAN Jin-rui,LUO Zhen.Frequency analysis of the vibration signals in the aluminum spot welding[J].Electric Welding Machine,2002,32(8):19-21. |
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| Authors: | XUE Wei-feng SHAN Ping HU Sh eng-sun LIAN Jin-rui LUO Zhen |
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| Abstract: | Frequency analysis is one of the most useful tools in data analysis.In this paper we analyze the vibration signals of the e lectrodes in the aluminum spot welding aided by the frequency analysis,and get some useful information,which can be used to inspect whether a nugget has com e into being or whether the splash has happened.The experiment has proved tha t frequency analysis of the vibration signals of electrodes is an useful and pe rspective method,which can be used to monitor the process of the aluminum spot welding so as to improve welding quality. |
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| Keywords: | aluminum spot welding vibr ation signals splash frequency analysis |
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