초록 열기/닫기 버튼


Air gun has been one of the good tools to press two sheet metals. However, it is not easy to control the acting force precisely. A Servo-gun is a good tool to control the acting force on the workpiece comparing with the air gun. Servo-gun has a higher tensile shear strength and lower indentation depth as well as smaller spatter. Dynamic resistance was obtained according to the acting force and welding current. As the acting force was changed during welding, the welding quality was increased.


키워드열기/닫기 버튼

Resistance spot welding, Welding-gun, Servo-gun, Dynamic resistance, Tensile shear strength, Indentation