피용접재 재질에 따른 단상 교류와 3상 저주파 교류 저항 용접기의 용접성 평가

A study on the weldabilities for Mild steel, Aluminum alloy and Stainless steel by 75KVA Single-Phase AC and Three-Phase Low Frequency AC Resistance Welder

  • 발행 : 1999.05.01