This welding process joints work pieces by melting the electrode and the base metal with the heat from the electric arc between the electrode and the work piece.

它是一种利用焊条与工件之间电弧产生的热量熔化焊条和母材而将被焊工件连接起来的焊接方法。

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Passive visual sensing method is the major method for sensing welding process, the principle of which is to capture weld pool image by the illumination of electric arc.

被动式视觉传感方法是焊接过程传感的一种主要方法，其主要原理是利用电弧光照射熔池表面获得熔池图像。

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Welding process factors consist of welding electric current, electric arc voltage, welding speed, etc.

焊接工艺因素包括焊接电流、电弧电压、焊接速度等。

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