奧氏體不銹鋼縫焊工藝條件介紹
奧氏體不銹(xiu)鋼的(de)(de)縫焊,其焊接接頭(tou)的(de)(de)力(li)學性(xing)能、焊接質(zhi)量及焊接條件等,都與點(dian)焊一樣。選擇焊接條件時,因為(wei)母材(cai)的(de)(de)高強度(du)高,應采(cai)用較高的(de)(de)電(dian)(dian)(dian)(dian)極壓力(li)來抑(yi)制(zhi)產生焊接缺陷。通電(dian)(dian)(dian)(dian)時間宜(yi)短(duan),通電(dian)(dian)(dian)(dian)中電(dian)(dian)(dian)(dian)極移動距離要(yao)小(xiao)。通電(dian)(dian)(dian)(dian)時間短(duan),電(dian)(dian)(dian)(dian)流強度(du)就要(yao)加大(da),電(dian)(dian)(dian)(dian)極的(de)(de)消耗(hao)就加快。若是(shi)斷續通電(dian)(dian)(dian)(dian),斷電(dian)(dian)(dian)(dian)時間應是(shi)...