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1. 发明授权

US4254323A Apparatus for monitoring and controlling a welding phenomenon in an electric resistance welding 失效
标题翻译：用于监测和控制电阻焊接中的焊接现象的装置
公开(公告)号：US4254323A
公开(公告)日：1981-03-03
申请号：US916075
申请日：1978-06-16
申请人： Toshio Takamatsu , Hiroyo Haga , Kazuo Aoki , Takeshi Sato
发明人： Toshio Takamatsu , Hiroyo Haga , Kazuo Aoki , Takeshi Sato
IPC分类号： B23K11/25 , B23K11/06
CPC分类号： B23K11/252
摘要： An apparatus for monitoring and controlling a welding phenomenon in an electric resistance welding process, which comprises a welding characteristics measuring instrument for carrying out digital measurement of at least one of high frequency welding characteristics, a welding phenomenon monitor circuit for detecting variations in the welding characteristics, and a welding phenomenon controller circuit for automatically adjusting a parameter of a welding power source or other welding conditions, wherein the welding characteristics include an oscillating frequency and an oscillating period of a high frequency used for the welding, and a phase difference between a high frequency voltage and a current. Changes in the welding characteristics occur in correspondence with the occurrence of periodic fluctuations in the shape of the high frequency welding current circuit formed in the material to be welded during high frequency electric resistance welding process.
摘要翻译：一种用于监测和控制电阻焊接过程中的焊接现象的装置，其包括用于执行高频焊接特性中的至少一个的数字测量的焊接特性测量仪器，用于检测焊接特性变化的焊接现象监测电路以及用于自动调整焊接电源的参数或其他焊接条件的焊接现象控制器电路，其中焊接特性包括用于焊接的高频的振荡频率和振荡周期，以及高频之间的相位差频率电压和电流。焊接特性的变化与在高频电阻焊接过程中形成在待焊接材料中的高频焊接电流电路的形状的周期性波动的发生相对应地发生。

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