如何判(pan)(pan)(pan)斷(duan)精(jing)(jing)(jing)密(mi)(mi)光亮管(guan)(guan)的(de)(de)(de)(de)精(jing)(jing)(jing)密(mi)(mi)性(xing)邢(xing)(xing)臺(tai)(tai)精(jing)(jing)(jing)密(mi)(mi)管(guan)(guan)的(de)(de)(de)(de)三(san)大特點：尺寸(cun)偏(pian)差(cha)小(xiao)、金屬表(biao)面處理優、管(guan)(guan)材性(xing)能(neng)優。尺寸(cun)的(de)(de)(de)(de)精(jing)(jing)(jing)密(mi)(mi)精(jing)(jing)(jing)密(mi)(mi)不(bu)(bu)銹(xiu)鋼管(guan)(guan)件尺寸(cun)的(de)(de)(de)(de)正(zheng)負(fu)(fu)極偏(pian)差(cha)是(shi)有(you)一(yi)定(ding)的(de)(de)(de)(de)考慮(lv)的(de)(de)(de)(de)。只能(neng)做(zuo)(zuo)到(dao)了一(yi)定(ding)小(xiao)的(de)(de)(de)(de)尺寸(cun)正(zheng)負(fu)(fu)極偏(pian)差(cha)，才可以算(suan)是(shi)上精(jing)(jing)(jing)密(mi)(mi)。精(jing)(jing)(jing)密(mi)(mi)不(bu)(bu)銹(xiu)鋼管(guan)(guan)件的(de)(de)(de)(de)制(zhi)做(zuo)(zuo)。由(you)原材料到(dao)制(zhi)管(guan)(guan)及其生(sheng)產制(zhi)造全過程(cheng)中(zhong)，都務必確保尺寸(cun)的(de)(de)(de)(de)精(jing)(jing)(jing)度。這(zhe)在其中(zhong)包括著(zhu)：制(zhi)管(guan)(guan)成形，拉撥，精(jing)(jing)(jing)扎，激光切割，調(diao)直等眾多個加工工藝，這(zhe)全部(bu)… 判(pan)(pan)(pan)斷(duan)邢(xing)(xing)臺(tai)(tai)精(jing)(jing)(jing)密(mi)(mi)管(guan)(guan)出現氧化的(de)(de)(de)(de)原因(yin)有(you)哪些判(pan)(pan)(pan)斷(duan)邢(xing)(xing)臺(tai)(tai)精(jing)(jing)(jing)密(mi)(mi)管(guan)(guan)故(gu)障是(shi)操作邢(xing)(xing)臺(tai)(tai)精(jing)(jing)(jing)密(mi)(mi)管(guan)(guan)的(de)(de)(de)(de)標(biao)準(zhun)，由(you)于一(yi)旦邢(xing)(xing)臺(tai)(tai)精(jing)(jing)(jing)密(mi)(mi)管(guan)(guan)產生(sheng)故(gu)障，便會有(you)一(yi)連(lian)串的(de)(de)(de)(de)反應。牽涉面也(ye)較為大，許(xu)多與之有(you)關(guan)的(de)(de)(de)(de)零(ling)配件乃至是(shi)全部(bu)機(ji)器(qi)設備都是(shi)因(yin)而(er)遭受(shou)負(fu)(fu)面影響，因(yin)而(er)一(yi)定(ding)要對其故(gu)障進行及時的(de)(de)(de)(de)判(pan)(pan)(pan)斷(duan)并。有(you)關(guan)的(de)(de)(de)(de)標(biao)準(zhun)如下。應判(pan)(pan)(pan)明(ming)邢(xing)(xing)臺(tai)(tai)精(jing)(jing)(jing)密(mi)(mi)管(guan)(guan)的(de)(de)(de)(de)工作中(zhong)標(biao)準(zhun)和外場自然環境是(shi)不(bu)(bu)是(shi)一(yi)切正(zheng)常;另外還(huan)必須搞清(qing)楚故(gu)障的(de)(de)(de)(de)特性(xing)，是(shi)機(ji)器(qi)設備機(ji)械設備一(yi)部(bu)分(fen).

<邢臺>大金鋼管制造有限公司 邢臺服務周到的20cr精密管公司

邢臺(tai)(tai)精(jing)密管低(di)溫(wen)(wen)回(hui)(hui)火(huo)(huo)(huo)(huo)脆(cui)(cui)(cui)性(xing)(xing)合金鋼(gang)淬火(huo)(huo)(huo)(huo)得到馬(ma)氏(shi)體組織后，在(zai)(zai)250～400℃溫(wen)(wen)度(du)(du)范圍回(hui)(hui)火(huo)(huo)(huo)(huo)使鋼(gang)脆(cui)(cui)(cui)化(hua)，其(qi)韌性(xing)(xing)一脆(cui)(cui)(cui)性(xing)(xing)轉化(hua)溫(wen)(wen)度(du)(du)明顯(xian)升高。已(yi)脆(cui)(cui)(cui)化(hua)的(de)邢臺(tai)(tai)精(jing)密管不能再用低(di)溫(wen)(wen)回(hui)(hui)火(huo)(huo)(huo)(huo)加(jia)熱的(de)方法(fa)，故又稱為(wei)%26ldquo;不可(ke)逆回(hui)(hui)火(huo)(huo)(huo)(huo)脆(cui)(cui)(cui)性(xing)(xing)%26rdquo;。它主要發(fa)生在(zai)(zai)合金結構(gou)鋼(gang)和低(di)合金超高強度(du)(du)邢臺(tai)(tai)精(jing)密管等鋼(gang)種。已(yi)脆(cui)(cui)(cui)化(hua)邢臺(tai)(tai)精(jing)密管的(de)斷口是沿(yan)晶(jing)(jing)斷口或是沿(yan)晶(jing)(jing)和準(zhun)解理混合斷口。產生低(di)溫(wen)(wen)回(hui)(hui)火(huo)(huo)(huo)(huo)脆(cui)(cui)(cui)性(xing)(xing)的(de)原(yuan)(yuan)因(yin)(yin)，普(pu)遍認(ren)為(wei)：與滲碳體在(zai)(zai)低(di)溫(wen)(wen)回(hui)(hui)火(huo)(huo)(huo)(huo)時以(yi)薄片狀(zhuang)在(zai)(zai)原(yuan)(yuan)奧(ao)氏(shi)體晶(jing)(jing)界(jie)(jie)析出(chu)，造(zao)成晶(jing)(jing)界(jie)(jie)脆(cui)(cui)(cui)化(hua)密切(qie)相關。雜質元素磷等在(zai)(zai)原(yuan)(yuan)奧(ao)氏(shi)體晶(jing)(jing)界(jie)(jie)偏(pian)聚也是造(zao)成低(di)溫(wen)(wen)回(hui)(hui)火(huo)(huo)(huo)(huo)脆(cui)(cui)(cui)性(xing)(xing)原(yuan)(yuan)因(yin)(yin)之含磷低(di)于0.005%的(de)高純(chun)邢臺(tai)(tai)精(jing)密管并不產生低(di)溫(wen)(wen)回(hui)(hui)火(huo)(huo)(huo)(huo)脆(cui)(cui)(cui)性(xing)(xing)。磷在(zai)(zai)火(huo)(huo)(huo)(huo)加(jia)熱時發(fa)生奧(ao)氏(shi)體晶(jing)(jing)界(jie)(jie)偏(pian)聚，淬火(huo)(huo)(huo)(huo)后保留下來。磷在(zai)(zai)原(yuan)(yuan)奧(ao)氏(shi)體晶(jing)(jing)界(jie)(jie)偏(pian)聚和滲碳體回(hui)(hui)火(huo)(huo)(huo)(huo)時在(zai)(zai)原(yuan)(yuan)奧(ao)氏(shi)體晶(jing)(jing)界(jie)(jie)析出(chu)，這兩個(ge)因(yin)(yin)素造(zao)成沿(yan)晶(jing)(jing)脆(cui)(cui)(cui)斷，促成了低(di)溫(wen)(wen)回(hui)(hui)火(huo)(huo)(huo)(huo)脆(cui)(cui)(cui)性(xing)(xing)的(de)發(fa)生。

邢(xing)臺精(jing)(jing)密管(guan)(guan)(guan)的(de)原料是邢(xing)臺精(jing)(jing)密管(guan)(guan)(guan)坯(pi)(pi)，邢(xing)臺精(jing)(jing)密管(guan)(guan)(guan)胚要(yao)(yao)經(jing)(jing)過(guo)切(qie)割(ge)機(ji)的(de)切(qie)割(ge)加(jia)工成(cheng)長度(du)(du)約為1米的(de)坯(pi)(pi)料，并(bing)(bing)經(jing)(jing)傳送帶送到(dao)熔爐內加(jia)熱(re)。鋼(gang)(gang)坯(pi)(pi)被(bei)(bei)送入熔爐內加(jia)熱(re)，溫度(du)(du)大約為1200℃。燃(ran)料為氫氣或乙(yi)炔。爐內溫度(du)(du)控制(zhi)是關鍵性的(de)問題(ti).邢(xing)臺精(jing)(jing)密管(guan)(guan)(guan)坯(pi)(pi)出爐后(hou)(hou)(hou)要(yao)(yao)經(jing)(jing)過(guo)壓(ya)(ya)力穿(chuan)孔(kong)機(ji)進行穿(chuan)空。一般較常見(jian)的(de)穿(chuan)孔(kong)機(ji)是錐(zhui)形輥穿(chuan)孔(kong)機(ji)，這種(zhong)穿(chuan)孔(kong)機(ji)生產效率高(gao)，產品(pin)質量好，穿(chuan)孔(kong)擴徑(jing)(jing)(jing)量大，可(ke)穿(chuan)多種(zhong)鋼(gang)(gang)種(zhong)。穿(chuan)孔(kong)后(hou)(hou)(hou)，邢(xing)臺精(jing)(jing)密管(guan)(guan)(guan)坯(pi)(pi)就(jiu)(jiu)先后(hou)(hou)(hou)被(bei)(bei)三(san)輥斜軋(ya)(ya)、連軋(ya)(ya)或擠(ji)壓(ya)(ya)。擠(ji)壓(ya)(ya)后(hou)(hou)(hou)要(yao)(yao)脫管(guan)(guan)(guan)定(ding)徑(jing)(jing)(jing)。定(ding)徑(jing)(jing)(jing)機(ji)通(tong)(tong)過(guo)錐(zhui)形鉆頭(tou)高(gao)速旋轉入鋼(gang)(gang)胚打孔(kong)，形成(cheng)鋼(gang)(gang)管(guan)(guan)(guan)。鋼(gang)(gang)管(guan)(guan)(guan)內徑(jing)(jing)(jing)由定(ding)徑(jing)(jing)(jing)機(ji)鉆頭(tou)的(de)外徑(jing)(jing)(jing)長度(du)(du)來確定(ding)。鋼(gang)(gang)管(guan)(guan)(guan)經(jing)(jing)定(ding)徑(jing)(jing)(jing)后(hou)(hou)(hou)，進入冷(leng)(leng)卻(que)塔中(zhong)，通(tong)(tong)過(guo)噴水(shui)冷(leng)(leng)卻(que)，鋼(gang)(gang)管(guan)(guan)(guan)經(jing)(jing)冷(leng)(leng)卻(que)后(hou)(hou)(hou)，就(jiu)(jiu)要(yao)(yao)被(bei)(bei)矯直。鋼(gang)(gang)管(guan)(guan)(guan)經(jing)(jing)矯直后(hou)(hou)(hou)由傳送帶送至金(jin)屬探傷機(ji)(或水(shui)壓(ya)(ya)實驗)進行內部探傷。若鋼(gang)(gang)管(guan)(guan)(guan)內部有(you)裂紋(wen)，氣泡等問題(ti)，將被(bei)(bei)探測出。鋼(gang)(gang)管(guan)(guan)(guan)質檢后(hou)(hou)(hou)還(huan)要(yao)(yao)通(tong)(tong)過(guo)嚴格的(de)手工挑選。鋼(gang)(gang)管(guan)(guan)(guan)質檢后(hou)(hou)(hou)，用油漆噴上編(bian)號(hao)、規格、生產批號(hao)等。并(bing)(bing)由吊車吊入倉庫中(zhong)。 邢(xing)臺精(jing)(jing)密管(guan)(guan)(guan)分熱(re)軋(ya)(ya)和冷(leng)(leng)軋(ya)(ya)(撥)邢(xing)臺精(jing)(jing)密管(guan)(guan)(guan)兩類。

<邢臺>大金鋼管制造有限公司 邢臺服務周到的20cr精密管公司