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Journal of KWJS 2005;23(3):40-46.
Published online July 15, 2005.
[연구논문]서보건 이용 시 저항 점 용접의 동특성 분석에 관한 연구
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A Study of Dynamic Characteristic for Resistance Spot Welding Process Using Servo-gun System
Jung-Yeub Baek, Jong-Gu Lee, Se-Hun Rhee
Abstract
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.


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