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  螺旋管(guan)(guan)(guan)(guan)制(zhi)(zhi)作工藝(yi)(yi)：原(yuan)材料即帶(dai)鋼卷，焊(han)(han)絲(si)，焊(han)(han)劑。在(zai)投(tou)入前都要(yao)(yao)經(jing)(jing)過嚴(yan)(yan)格(ge)(ge)(ge)的(de)理化檢(jian)(jian)(jian)驗。帶(dai)鋼頭(tou)尾對接(jie)，采(cai)(cai)用(yong)單(dan)絲(si)或(huo)(huo)雙(shuang)絲(si)埋(mai)弧焊(han)(han)接(jie)，在(zai)卷成(cheng)鋼管(guan)(guan)(guan)(guan)后(hou)(hou)采(cai)(cai)用(yong)自動(dong)埋(mai)弧焊(han)(han)補焊(han)(han)。成(cheng)型(xing)前，帶(dai)鋼經(jing)(jing)過矯平、剪邊(bian)(bian)、刨邊(bian)(bian)，表(biao)(biao)面清理輸(shu)送和(he)(he)予彎邊(bian)(bian)處理。采(cai)(cai)用(yong)電(dian)(dian)接(jie)點壓(ya)(ya)(ya)力(li)(li)表(biao)(biao)控(kong)制(zhi)(zhi)輸(shu)送機(ji)兩邊(bian)(bian)壓(ya)(ya)(ya)下油(you)缸的(de)壓(ya)(ya)(ya)力(li)(li)，確(que)(que)保(bao)(bao)了帶(dai)鋼的(de)平穩(wen)輸(shu)送.采(cai)(cai)用(yong)外控(kong)或(huo)(huo)內控(kong)輥(gun)式(shi)成(cheng)型(xing)。采(cai)(cai)用(yong)焊(han)(han)縫(feng)間隙(xi)控(kong)制(zhi)(zhi)裝(zhuang)置來保(bao)(bao)證焊(han)(han)縫(feng)間隙(xi)滿足焊(han)(han)接(jie)要(yao)(yao)求，管(guan)(guan)(guan)(guan)徑，錯邊(bian)(bian)量和(he)(he)焊(han)(han)縫(feng)間隙(xi)都得到嚴(yan)(yan)格(ge)(ge)(ge)的(de)控(kong)制(zhi)(zhi)。內焊(han)(han)和(he)(he)外焊(han)(han)均采(cai)(cai)用(yong)美國林肯(ken)電(dian)(dian)焊(han)(han)機(ji)進(jin)行單(dan)絲(si)或(huo)(huo)雙(shuang)絲(si)埋(mai)弧焊(han)(han)接(jie)，從而獲得穩(wen)定的(de)焊(han)(han)接(jie)質量。焊(han)(han)完的(de)焊(han)(han)縫(feng)均經(jing)(jing)過在(zai)線連(lian)續(xu)超聲(sheng)波(bo)自動(dong)傷(shang)儀檢(jian)(jian)(jian)查(cha)，保(bao)(bao)證了100%的(de)螺旋焊(han)(han)縫(feng)的(de)無損(sun)(sun)檢(jian)(jian)(jian)測覆蓋率。若有缺陷，自動(dong)報警并噴涂標(biao)記，生產(chan)(chan)工人依此(ci)隨時(shi)(shi)調整(zheng)工藝(yi)(yi)參數，及時(shi)(shi)消除缺陷。采(cai)(cai)用(yong)空氣等(deng)離子切(qie)割(ge)機(ji)將鋼管(guan)(guan)(guan)(guan)切(qie)成(cheng)單(dan)根(gen)。切(qie)成(cheng)單(dan)根(gen)鋼管(guan)(guan)(guan)(guan)后(hou)(hou)，每批鋼管(guan)(guan)(guan)(guan)都要(yao)(yao)進(jin)行嚴(yan)(yan)格(ge)(ge)(ge)的(de)首檢(jian)(jian)(jian)制(zhi)(zhi)度，檢(jian)(jian)(jian)查(cha)焊(han)(han)縫(feng)的(de)力(li)(li)學性能，化學成(cheng)份，溶合狀(zhuang)況，鋼管(guan)(guan)(guan)(guan)表(biao)(biao)面質量以及經(jing)(jing)過無損(sun)(sun)探傷(shang)檢(jian)(jian)(jian)驗，確(que)(que)保(bao)(bao)制(zhi)(zhi)管(guan)(guan)(guan)(guan)工藝(yi)(yi)合格(ge)(ge)(ge)后(hou)(hou)，才能正式(shi)投(tou)入生產(chan)(chan)。焊(han)(han)縫(feng)上有連(lian)續(xu)聲(sheng)波(bo)探傷(shang)標(biao)記的(de)部位，經(jing)(jing)過手動(dong)超聲(sheng)波(bo)和(he)(he)X射線復查(cha)，如確(que)(que)有缺陷，經(jing)(jing)過修補后(hou)(hou)，再次經(jing)(jing)過無損(sun)(sun)檢(jian)(jian)(jian)驗，直(zhi)到確(que)(que)認缺陷已經(jing)(jing)消除。帶(dai)鋼對焊(han)(han)焊(han)(han)縫(feng)及與螺旋焊(han)(han)縫(feng)相交(jiao)的(de)丁型(xing)接(jie)頭(tou)的(de)所在(zai)管(guan)(guan)(guan)(guan)，全部經(jing)(jing)過X射線電(dian)(dian)視或(huo)(huo)拍片檢(jian)(jian)(jian)查(cha)。每根(gen)鋼管(guan)(guan)(guan)(guan)經(jing)(jing)過靜水(shui)壓(ya)(ya)(ya)試(shi)(shi)驗，壓(ya)(ya)(ya)力(li)(li)采(cai)(cai)用(yong)徑向密(mi)封。試(shi)(shi)驗壓(ya)(ya)(ya)力(li)(li)和(he)(he)時(shi)(shi)間都由鋼管(guan)(guan)(guan)(guan)水(shui)壓(ya)(ya)(ya)微機(ji)檢(jian)(jian)(jian)測裝(zhuang)置嚴(yan)(yan)格(ge)(ge)(ge)控(kong)制(zhi)(zhi)。試(shi)(shi)驗參數自動(dong)打印記錄(lu)。管(guan)(guan)(guan)(guan)端(duan)機(ji)械加(jia)工，使端(duan)面垂直(zhi)度，坡口角和(he)(he)鈍邊(bian)(bian)得到準確(que)(que)控(kong)制(zhi)(zhi) 。