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基于激光视觉传感的铝合金自适应焊接

Keywords: 惰性气体保护焊,光学传感器,自适应系统,跟踪,铝合金

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Abstract:

为了适应大型铝合金构件TIG焊接坡口状态的变化,建立了基于激光视觉传感的自适应焊接系统.系统采用新型激光视觉传感器精确测量焊缝坡口,获得焊缝坡口角度、间隙、截面积和错边等几何信息,可用于焊前辅助大型航天构件的装配,以及焊接过程中焊缝自动跟踪.该系统根据坡口状况自动调整焊接电流、送丝速度等工艺参数,实现了焊接过程的自适应控制,焊接成形良好,焊接质量符合相关标准要求.

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