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精密(mi)管無氧(yang)退(tui)(tui)火(huo)爐(lu)(lu)采用的(de)(de)(de)是(shi)電(dian)加(jia)(jia)熱預抽真空保護氣(qi)氛等(deng)溫球化退(tui)(tui)火(huo)爐(lu)(lu)通(tong)(tong)過前(qian)后預熱真空氮氣(qi)保護的(de)(de)(de)方(fang)法(fa)，實(shi)現(xian)工件無氧(yang)化退(tui)(tui)火(huo)。設備具有氣(qi)氛消耗(hao)(hao)量(liang)小，能耗(hao)(hao)低，后續加(jia)(jia)工潔(jie)凈的(de)(de)(de)特點，并且加(jia)(jia)熱速度(du)快、均(jun)勻，大(da)大(da)縮(suo)短了退(tui)(tui)火(huo)工藝時(shi)間，使退(tui)(tui)火(huo)后工件氧(yang)化脫碳(tan)極少，脫貧碳(tan)層增深層≦0.05mm。退(tui)(tui)火(huo)質(zhi)(zhi)量(liang)優(you)于 /t1255-2001等(deng)標準的(de)(de)(de)要(yao)求金相(xiang)組織細(xi)小，均(jun)勻分布，實(shi)現(xian)了球化退(tui)(tui)火(huo)的(de)(de)(de)，優(you)質(zhi)(zhi)，低耗(hao)(hao)，自(zi)動(dong)(dong)連(lian)續生產的(de)(de)(de)目(mu)的(de)(de)(de)。 控制精度(du)：±1℃爐(lu)(lu)溫均(jun)勻度(du)：±1℃(根(gen)據加(jia)(jia)熱室大(da)小而定)。 操(cao)作(zuo)方(fang)便，可(ke)編程，pid自(zi)整定、自(zi)動(dong)(dong)升(sheng)溫、自(zi)動(dong)(dong)保溫、自(zi)動(dong)(dong)降溫，無需值守；可(ke)另配(pei)與計(ji)算(suan)機通(tong)(tong)訊通(tong)(tong)過計(ji)算(suan)機操(cao)作(zuo)電(dian)爐(lu)(lu)（啟(qi)動(dong)(dong)電(dian)爐(lu)(lu)、停(ting)止電(dian)爐(lu)(lu)、暫停(ting)升(sheng)溫、設定升(sheng)溫曲線(xian)、升(sheng)溫曲線(xian)儲存、歷史曲線(xian)等(deng)），軟件免費詳見：計(ji)算(suan)機控制系(xi)統。

精(jing)密(mi)無(wu)(wu)縫(feng)管(guan)(guan)(guan)(guan)具備空心橫(heng)截(jie)面(mian)，很多作為運輸(shu)液(ye)(ye)體(ti)的(de)(de)管(guan)(guan)(guan)(guan)路，如運輸(shu)原油、燃氣、液(ye)(ye)化氣、水及一(yi)些(xie) 固態原材料(liao)(liao)(liao)的(de)(de)管(guan)(guan)(guan)(guan)路等(deng)。無(wu)(wu)縫(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)與(yu)園鋼(gang)(gang)(gang)等(deng)實芯不銹(xiu)鋼(gang)(gang)(gang)板材對比，在抗(kang)彎強度(du)抗(kang)扭抗(kang)壓(ya)強度(du)同樣時， 凈重(zhong)比較(jiao)輕，是(shi)(shi)一(yi)種經濟發展橫(heng)截(jie)面(mian)不銹(xiu)鋼(gang)(gang)(gang)板材。那么(me)精(jing)密(mi)無(wu)(wu)縫(feng)管(guan)(guan)(guan)(guan)的(de)(de)加工方(fang)式有哪些(xie)呢?下(xia)邊(bian)我給 大伙兒詳細介紹下(xia)。 　　1、熱扎法 　　精(jing)密(mi)管(guan)(guan)(guan)(guan)一(yi)般(ban)在全(quan)自(zi)動軋(ya)(ya)(ya)管(guan)(guan)(guan)(guan)機(ji)(ji)組下(xia)加工制(zhi)造。實芯管(guan)(guan)(guan)(guan)料(liao)(liao)(liao)經查驗并防止表層缺點，裁成(cheng)(cheng)所(suo)(suo)需長 短，在管(guan)(guan)(guan)(guan)料(liao)(liao)(liao)破孔端(duan)端(duan)表面(mian)放心，隨后送(song)到(dao)熱處理爐加溫(wen)，在切割機(ji)(ji)上(shang)(shang)破孔。在破孔與(yu)此同時持(chi)續轉 動和(he)(he)前行，在熱軋(ya)(ya)(ya)帶鋼(gang)(gang)(gang)和(he)(he)頂(ding)邊(bian)的(de)(de)功效下(xia)，管(guan)(guan)(guan)(guan)料(liao)(liao)(liao)內部慢慢產生內腔，稱(cheng)毛管(guan)(guan)(guan)(guan)。再(zai)送(song)至全(quan)自(zi)動軋(ya)(ya)(ya)管(guan)(guan)(guan)(guan)機(ji)(ji)上(shang)(shang) 再(zai)次冷(leng)(leng)軋(ya)(ya)(ya)。經均整個機(ji)(ji)械(xie)均整壁厚，經定徑機(ji)(ji)定徑，做到(dao)規格(ge)型(xing)號規定。運用(yong)回轉式軋(ya)(ya)(ya)管(guan)(guan)(guan)(guan)機(ji)(ji)組加工 制(zhi)造熱扎精(jing)密(mi)無(wu)(wu)縫(feng)管(guan)(guan)(guan)(guan)是(shi)(shi)較(jiao)的(de)(de)方(fang)式。 　　2、冷(leng)(leng)軋(ya)(ya)(ya)、冷(leng)(leng)拉(la)(la)或是(shi)(shi)二(er)者(zhe)協同 　　若欲得到(dao)規格(ge)更(geng)小和(he)(he)品(pin)質更(geng)強的(de)(de)無(wu)(wu)縫(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)，應選用(yong)冷(leng)(leng)軋(ya)(ya)(ya)、冷(leng)(leng)拉(la)(la)或是(shi)(shi)二(er)者(zhe)協同的(de)(de)方(fang)式。冷(leng)(leng)軋(ya)(ya)(ya)一(yi)般(ban) 在二(er)輥式擠(ji)(ji)壓(ya)機(ji)(ji)上(shang)(shang)開(kai)展，無(wu)(wu)縫(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)在變橫(heng)斷面(mian)圓洞槽和(he)(he)沒動的(de)(de)錐型(xing)頂(ding)邊(bian)所(suo)(suo)構成(cheng)(cheng)的(de)(de)環狀板孔中冷(leng)(leng)軋(ya)(ya)(ya)。 冷(leng)(leng)拉(la)(la)一(yi)般(ban) 在0。5~100T的(de)(de)多肽鏈式或雙(shuang)鏈條式冷(leng)(leng)拔機(ji)(ji)上(shang)(shang)開(kai)展。 　　3、擠(ji)(ji)壓(ya)成(cheng)(cheng)型(xing)法 　　將要加溫(wen)好的(de)(de)管(guan)(guan)(guan)(guan)料(liao)(liao)(liao)放到(dao)密(mi)閉式的(de)(de)擠(ji)(ji)壓(ya)成(cheng)(cheng)型(xing)圓桶(tong)內，破孔棒與(yu)擠(ji)(ji)壓(ya)成(cheng)(cheng)型(xing)桿一(yi)起健(jian)身運動，使擠(ji)(ji)壓(ya) 成(cheng)(cheng)型(xing)件從(cong)較(jiao)小的(de)(de)模(mo)孔中擠(ji)(ji)壓(ya)。此方(fang)法可加工制(zhi)造直徑較(jiao)小的(de)(de)無(wu)(wu)縫(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)。

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精(jing)(jing)(jing)(jing)(jing)密(mi)管(guan)(guan)(guan)(guan)銑邊(bian)(bian)機(ji)(ji)：將(jiang)制(zhi)管(guan)(guan)(guan)(guan)用(yong)(yong)的(de)板(ban)料(liao)的(de)兩(liang)側面進行機(ji)(ji)械加工(gong)(gong)(gong)并使(shi)兩(liang)板(ban)邊(bian)(bian)的(de)平(ping)(ping)行度(du)達到(dao)規定(ding)的(de)公差(cha)范(fan)圍內，為(wei)制(zhi)造出高(gao)精(jing)(jing)(jing)(jing)(jing)度(du)的(de)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)做(zuo)準備。使(shi)精(jing)(jing)(jing)(jing)(jing)密(mi)管(guan)(guan)(guan)(guan)板(ban)邊(bian)(bian)具(ju)有精(jing)(jing)(jing)(jing)(jing)密(mi)管(guan)(guan)(guan)(guan)將(jiang)成(cheng)(cheng)(cheng)型(xing)(xing)(xing)(xing)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)半徑(jing)相等曲率半徑(jing)，精(jing)(jing)(jing)(jing)(jing)密(mi)管(guan)(guan)(guan)(guan)預(yu)彎邊(bian)(bian)機(ji)(ji)：將(jiang)銑邊(bian)(bian)機(ji)(ji)加工(gong)(gong)(gong)出兩(liang)邊(bian)(bian)焊(han)(han)(han)接(jie)坡(po)口(kou)的(de)精(jing)(jing)(jing)(jing)(jing)密(mi)管(guan)(guan)(guan)(guan)板(ban)邊(bian)(bian)進行預(yu)彎。防止成(cheng)(cheng)(cheng)型(xing)(xing)(xing)(xing)機(ji)(ji)成(cheng)(cheng)(cheng)型(xing)(xing)(xing)(xing)成(cheng)(cheng)(cheng)型(xing)(xing)(xing)(xing)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)中產生(sheng)過長的(de)直(zhi)邊(bian)(bian)，保證(zheng)精(jing)(jing)(jing)(jing)(jing)密(mi)管(guan)(guan)(guan)(guan)的(de)圓(yuan)度(du)。全自(zi)動(dong)(dong)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)成(cheng)(cheng)(cheng)型(xing)(xing)(xing)(xing)機(ji)(ji)：完成(cheng)(cheng)(cheng)對(dui)(dui)(dui)各種金屬板(ban)料(liao)的(de)彎曲成(cheng)(cheng)(cheng)型(xing)(xing)(xing)(xing)。進行進一(yi)步的(de)合縫和(he)預(yu)焊(han)(han)(han)，鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)預(yu)焊(han)(han)(han)機(ji)(ji)：將(jiang)成(cheng)(cheng)(cheng)型(xing)(xing)(xing)(xing)機(ji)(ji)成(cheng)(cheng)(cheng)型(xing)(xing)(xing)(xing)合格(ge)的(de)開口(kou)管(guan)(guan)(guan)(guan)坯為(wei)內、外(wai)焊(han)(han)(han)做(zuo)準備。焊(han)(han)(han)接(jie)小車(che)運送工(gong)(gong)(gong)件(jian)沿(yan)軌(gui)道行走(zou)，雙(shuang)絲內焊(han)(han)(han)機(ji)(ji)：用(yong)(yong)于(yu)對(dui)(dui)(dui)大口(kou)徑(jing)直(zhi)縫鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)進行自(zi)動(dong)(dong)埋弧(hu)焊(han)(han)(han)接(jie)配合主(zhu)機(ji)(ji)實(shi)現(xian)對(dui)(dui)(dui)工(gong)(gong)(gong)件(jian)的(de)焊(han)(han)(han)接(jie)。焊(han)(han)(han)接(jie)小車(che)運送工(gong)(gong)(gong)件(jian)沿(yan)軌(gui)道行走(zou)，雙(shuang)絲外(wai)焊(han)(han)(han)機(ji)(ji)：用(yong)(yong)于(yu)對(dui)(dui)(dui)直(zhi)縫鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)進行自(zi)動(dong)(dong)埋弧(hu)焊(han)(han)(han)接(jie)配合主(zhu)機(ji)(ji)實(shi)現(xian)對(dui)(dui)(dui)工(gong)(gong)(gong)件(jian)的(de)焊(han)(han)(han)接(jie)。以改變鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)圓(yuan)度(du)，鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)精(jing)(jing)(jing)(jing)(jing)整機(ji)(ji)：對(dui)(dui)(dui)圓(yuan)度(du)欠佳的(de)長圓(yuan)管(guan)(guan)(guan)(guan)逐段從外(wai)部(bu)施加強大壓力使(shi)之達到(dao)有關規范(fan)和(he)使(shi)用(yong)(yong)要求。龍門移(yi)動(dong)(dong)式(shi)感官矯直(zhi)機(ji)(ji)：用(yong)(yong)于(yu)鋼(gang)(gang)(gang)(gang)(gang)制(zhi)圓(yuan)柱型(xing)(xing)(xing)(xing)管(guan)(guan)(guan)(guan)的(de)矯直(zhi)。直(zhi)縫鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)平(ping)(ping)頭倒角機(ji)(ji)：將(jiang)直(zhi)縫鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)端部(bu)按規定(ding)的(de)鈍(dun)邊(bian)(bian)以及(ji)坡(po)口(kou)角度(du)進行倒角。提(ti)高(gao)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)尺寸精(jing)(jing)(jing)(jing)(jing)度(du)。鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)擴(kuo)徑(jing)機(ji)(ji)：應力。檢查鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)規定(ding)壓力下有無滲(shen)透缺陷(xian)，3000T水(shui)(shui)壓試驗機(ji)(ji)：對(dui)(dui)(dui)焊(han)(han)(han)管(guan)(guan)(guan)(guan)進行水(shui)(shui)壓試驗。焊(han)(han)(han)接(jie)應力及(ji)成(cheng)(cheng)(cheng)型(xing)(xing)(xing)(xing)應力，從而保證(zheng)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)使(shi)用(yong)(yong)性能。

大金鋼管制造有限公司