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銀焊(han)(han)(han)(han)(han)(han)(han)條(tiao)點(dian)焊(han)(han)(han)(han)(han)(han)(han)的(de)基本方法單(dan)(dan)面(mian)(mian)點(dian)焊(han)(han)(han)(han)(han)(han)(han)時(shi)(shi)。電(dian)極由工件(jian)的(de)同(tong)一側向(xiang)焊(han)(han)(han)(han)(han)(han)(han)接處(chu)饋(kui)電(dian)，典型的(de)單(dan)(dan)面(mian)(mian)點(dian)焊(han)(han)(han)(han)(han)(han)(han)方式，單(dan)(dan)面(mian)(mian)單(dan)(dan)點(dian)點(dian)焊(han)(han)(han)(han)(han)(han)(han)，不(bu)形成 焊(han)(han)(han)(han)(han)(han)(han)點(dian)的(de)電(dian)極采用大直徑和大接觸面(mian)(mian)以(yi)減小電(dian)流(liu)(liu)密度。無分流(liu)(liu)的(de)單(dan)(dan)面(mian)(mian)雙(shuang)點(dian)點(dian)焊(han)(han)(han)(han)(han)(han)(han)，此時(shi)(shi)焊(han)(han)(han)(han)(han)(han)(han)接電(dian)流(liu)(liu)全(quan)部(bu)流(liu)(liu)經焊(han)(han)(han)(han)(han)(han)(han)接區。銀焊(han)(han)(han)(han)(han)(han)(han)條(tiao)有分流(liu)(liu) 的(de)單(dan)(dan)面(mian)(mian)雙(shuang)點(dian)點(dian)焊(han)(han)(han)(han)(han)(han)(han)，流(liu)(liu)經上面(mian)(mian)工件(jian)的(de)電(dian)流(liu)(liu)不(bu)經過焊(han)(han)(han)(han)(han)(han)(han)接區，形成風流(liu)(liu)。

　　為了(le)給焊接電(dian)流提供(gong)低電(dian)阻的(de)通路，工件(jian)下(xia)面墊有銅(tong)墊板。當兩焊點的(de)間距l很大時(shi)，例如在進行骨(gu)架構件(jian)和(he)復板的(de)焊 接時(shi)，為了(le)避免不適(shi)當的(de)加(jia)熱引起復板翹曲和(he)減小兩電(dian)極間電(dian)阻，采(cai)用了(le)特殊的(de)銅(tong)橋A與電(dian)極同時(shi)壓緊在工件(jian)上。銀焊條大 量生產中，單面多點點焊獲得廣(guang)泛應(ying)用。

　　這時(shi)可采用(yong)由一個(ge)變(bian)(bian)壓器(qi)(qi)供電(dian)(dian)(dian)，各對電(dian)(dian)(dian)極(ji)(ji)輪流壓住(zhu)(zhu)工件的(de)(de)型(xing)式，也可采用(yong)各對電(dian)(dian)(dian)極(ji)(ji)均由單獨(du)的(de)(de)變(bian)(bian)壓器(qi)(qi)供電(dian)(dian)(dian)，全(quan)部(bu)電(dian)(dian)(dian)極(ji)(ji)同(tong)(tong) 時(shi)壓住(zhu)(zhu)工件的(de)(de)型(xing)式。后一型(xing)式具有較(jiao)多優(you)點(dian)，應用(yong)也較(jiao)廣泛。其(qi)(qi)優(you)點(dian)有：各變(bian)(bian)壓器(qi)(qi)可以(yi)(yi)安置得離所(suo)聯電(dian)(dian)(dian)極(ji)(ji)較(jiao)近，因而，其(qi)(qi)功 率及尺寸(cun)能顯著減小；各個(ge)焊(han)點(dian)的(de)(de)工藝參(can)數可以(yi)(yi)單獨(du)調(diao)節；銀焊(han)條全(quan)部(bu)焊(han)點(dian)可以(yi)(yi)同(tong)(tong)時(shi)焊(han)接(jie)、生產(chan)率高；全(quan)部(bu)電(dian)(dian)(dian)極(ji)(ji)同(tong)(tong)時(shi)壓住(zhu)(zhu)工 件，可減少變(bian)(bian)形；多臺(tai)變(bian)(bian)壓器(qi)(qi)同(tong)(tong)時(shi)通(tong)電(dian)(dian)(dian)，能保證三(san)相負荷平衡(heng)。