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文章出處(chu)://ycl576.cn作者:貴州華冶(ye)鋼聯鋼材有限公司發表時間:2019/12/30 15:26:56

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  厚(hou)壁(bi)(bi)無(wu)(wu)縫鋼(gang)管(guan)有關低(di)(di)溫(wen)(wen)等(deng)離(li)子(zi)(zi)(zi)(zi)(zi)弧焊(han)(han)(han)(han)(han)(han)的(de)(de)(de)(de)詳(xiang)盡專業知識,為大伙兒(er)做詳(xiang)細介(jie)紹:低(di)(di)溫(wen)(wen)等(deng)離(li)子(zi)(zi)(zi)(zi)(zi)弧焊(han)(han)(han)(han)(han)(han)都是一(yi)種不熔(rong)融極(ji)電(dian)(dian)(dian)弧焊(han)(han)(han)(han)(han)(han)接(jie)(jie)(jie)(jie)。這是運用(yong)(yong)電(dian)(dian)(dian)級和厚(hou)壁(bi)(bi)無(wu)(wu)縫鋼(gang)管(guan)工(gong)藝品中間地(di)縮(suo)小(xiao)電(dian)(dian)(dian)孤(gu)(叫分享遷移電(dian)(dian)(dian)孤(gu))保(bao)(bao)持電(dian)(dian)(dian)焊(han)(han)(han)(han)(han)(han)焊(han)(han)(han)(han)(han)(han)接(jie)(jie)(jie)(jie)的(de)(de)(de)(de)。常用(yong)(yong)的(de)(de)(de)(de)電(dian)(dian)(dian)級一(yi)般 是鎢(wu)極(ji)。造成低(di)(di)溫(wen)(wen)等(deng)離(li)子(zi)(zi)(zi)(zi)(zi)弧的(de)(de)(de)(de)低(di)(di)溫(wen)(wen)等(deng)離(li)子(zi)(zi)(zi)(zi)(zi)氣能(neng)用(yong)(yong)氬氣、N2、氦氣或在其(qi)中二者之(zhi)混(hun)合氣。另外還根(gen)據噴頭(tou)用(yong)(yong)稀有氣體(ti)維(wei)護。厚(hou)壁(bi)(bi)無(wu)(wu)縫鋼(gang)管(guan)電(dian)(dian)(dian)焊(han)(han)(han)(han)(han)(han)焊(han)(han)(han)(han)(han)(han)接(jie)(jie)(jie)(jie)時能(neng)夠(gou)另加添充金屬材(cai)料(liao),還可(ke)以不用(yong)(yong)添充金屬材(cai)料(liao)。低(di)(di)溫(wen)(wen)等(deng)離(li)子(zi)(zi)(zi)(zi)(zi)弧焊(han)(han)(han)(han)(han)(han)電(dian)(dian)(dian)焊(han)(han)(han)(han)(han)(han)焊(han)(han)(han)(han)(han)(han)接(jie)(jie)(jie)(jie)時,因(yin)為其(qi)電(dian)(dian)(dian)孤(gu)伸直、比能(neng)量大、因(yin)此電(dian)(dian)(dian)孤(gu)透過工(gong)作能(neng)力強。厚(hou)壁(bi)(bi)無(wu)(wu)縫鋼(gang)管(guan)低(di)(di)溫(wen)(wen)等(deng)離(li)子(zi)(zi)(zi)(zi)(zi)弧焊(han)(han)(han)(han)(han)(han)電(dian)(dian)(dian)焊(han)(han)(han)(han)(han)(han)焊(han)(han)(han)(han)(han)(han)接(jie)(jie)(jie)(jie)時,造成的(de)(de)(de)(de)小(xiao)圓孔效用(yong)(yong),針對一(yi)定薄(bo)厚(hou)范圍(wei)之(zhi)內(nei)(nei)的(de)(de)(de)(de)大部分金屬材(cai)料(liao),能(neng)夠(gou)開展(zhan)不動焊(han)(han)(han)(han)(han)(han)縫連接(jie)(jie)(jie)(jie),能(neng)夠(gou)確(que)保(bao)(bao)熔(rong)透和焊(han)(han)(han)(han)(han)(han)接(jie)(jie)(jie)(jie)勻(yun)稱一(yi)致。因(yin)而,厚(hou)壁(bi)(bi)無(wu)(wu)縫鋼(gang)管(guan)低(di)(di)溫(wen)(wen)等(deng)離(li)子(zi)(zi)(zi)(zi)(zi)弧焊(han)(han)(han)(han)(han)(han)的(de)(de)(de)(de)產出率(lv)高(gao)、焊(han)(han)(han)(han)(han)(han)接(jie)(jie)(jie)(jie)性價比高(gao)。1、電(dian)(dian)(dian)焊(han)(han)(han)(han)(han)(han)焊(han)(han)(han)(han)(han)(han)接(jie)(jie)(jie)(jie)特點:厚(hou)壁(bi)(bi)無(wu)(wu)縫鋼(gang)管(guan)具備傳(chuan)熱性強而熱導率(lv)大,膨脹系(xi)(xi)數大,溶點低(di)(di)和高(gao)溫(wen)(wen)抗(kang)壓(ya)強度(du)小(xiao)等(deng)特性,電(dian)(dian)(dian)焊(han)(han)(han)(han)(han)(han)焊(han)(han)(han)(han)(han)(han)接(jie)(jie)(jie)(jie)難度(du)系(xi)(xi)數大,應(ying)采用(yong)(yong)一(yi)定的(de)(de)(de)(de)對策,才可(ke)以確(que)保(bao)(bao)電(dian)(dian)(dian)焊(han)(han)(han)(han)(han)(han)焊(han)(han)(han)(han)(han)(han)接(jie)(jie)(jie)(jie)品質(zhi)。厚(hou)壁(bi)(bi)無(wu)(wu)縫鋼(gang)管(guan)及焊(han)(han)(han)(han)(han)(han)條的(de)(de)(de)(de)清(qing)除(chu),焊(han)(han)(han)(han)(han)(han)條及潰瘍面兩邊50mm范圍(wei)之(zhi)內(nei)(nei),表(biao)層用(yong)(yong)甲苯清(qing)理(li)整潔,用(yong)(yong)不銹鋼(gang)線刷一(yi)下去(qu)表(biao)層空氣氧(yang)化膜(mo),外露金屬質(zhi)感(gan),清(qing)除(chu)好的(de)(de)(de)(de)潰瘍面要(yao)想在2鐘頭(tou)內(nei)(nei)電(dian)(dian)(dian)焊(han)(han)(han)(han)(han)(han)焊(han)(han)(han)(han)(han)(han)接(jie)(jie)(jie)(jie),清(qing)除(chu)好的(de)(de)(de)(de)焊(han)(han)(han)(han)(han)(han)條放(fang)進沒用(yong)(yong)過的(de)(de)(de)(de)筒內(nei)(nei),要(yao)想在8鐘頭(tou)上用(yong)(yong)完,不然(ran)重新處理(li)。鎢(wu)棒(bang)采用(yong)(yong)鈰(shi)鎢(wu)棒(bang),氬氣鈍質(zhi)不低(di)(di)于99.96%,且(qie)水分含量不可(ke)超過50mg/m3。工(gong)作溫(wen)(wen)度(du)高(gao)于5℃,不然(ran)應(ying)加熱至100~200℃即可(ke)焊(han)(han)(han)(han)(han)(han)接(jie)(jie)(jie)(jie),空氣濕度(du)控。


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