<銅陵>普源金屬材料有限公司成立以來憑著嚴格的銅陵鋼板產品質量、合理的交易價格、優質的銷售服務、誠實的商業信譽、完善的銷售網絡及售后服務，在廣大銅陵鋼板客戶群體中贏得了口碑。公司(si)全(quan)體員(yuan)工將不懈努(nu)力，執著追(zhui)求質量和品牌形象(xiang)，奉行(xing)“質量是(shi)生命(ming)、服務是(shi)靈(ling)魂”的企業經營理念來滿足(zu)市場及客戶(hu)的需求。

導讀：為生(sheng)產(chan)出質量(liang)好(hao)、成(cheng)(cheng)(cheng)本低的(de)(de)(de)(de)(de)H型(xing)鋼(gang)(gang)(gang)(gang)，首先(xian)需要(yao)確定(ding)一(yi)(yi)個(ge)合理(li)的(de)(de)(de)(de)(de)生(sheng)產(chan)工(gong)(gong)(gong)藝(yi)流程。目前(qian)(qian)各(ge)主(zhu)要(yao)H型(xing)鋼(gang)(gang)(gang)(gang)廠所采(cai)(cai)用(yong)(yong)(yong)的(de)(de)(de)(de)(de)主(zhu)流工(gong)(gong)(gong)藝(yi)流程如下圖所示。一(yi)(yi)般(ban)(ban)(ban)中小(xiao)規(gui)(gui)格(ge)（H400×200及以下規(gui)(gui)格(ge)）H型(xing)鋼(gang)(gang)(gang)(gang)多(duo)選(xuan)用(yong)(yong)(yong)方坯(pi)(pi)(pi)、矩(ju)形(xing)坯(pi)(pi)(pi)，較大(da)(da)規(gui)(gui)格(ge)（H400×200以上規(gui)(gui)格(ge)）H型(xing)鋼(gang)(gang)(gang)(gang)多(duo)選(xuan)用(yong)(yong)(yong)異形(xing)坯(pi)(pi)(pi)，矩(ju)形(xing)坯(pi)(pi)(pi)和(he)異形(xing)坯(pi)(pi)(pi)都(dou)(dou)可(ke)(ke)用(yong)(yong)(yong)連(lian)鑄(zhu)坯(pi)(pi)(pi)。從(cong)連(lian)鑄(zhu)過來的(de)(de)(de)(de)(de)鋼(gang)(gang)(gang)(gang)坯(pi)(pi)(pi)在(zai)(zai)經過稱重后(hou)(hou)，裝(zhuang)(zhuang)(zhuang)入(ru)步進(jin)式（或推鋼(gang)(gang)(gang)(gang)式，現在(zai)(zai)用(yong)(yong)(yong)于生(sheng)產(chan)型(xing)鋼(gang)(gang)(gang)(gang)的(de)(de)(de)(de)(de)推鋼(gang)(gang)(gang)(gang)爐(lu)已經比較少）加(jia)熱爐(lu)中加(jia)熱到(dao)1200～1250℃出爐(lu)。步進(jin)式加(jia)熱爐(lu)大(da)(da)多(duo)數采(cai)(cai)用(yong)(yong)(yong)上、下布置的(de)(de)(de)(de)(de)雙預(yu)熱式燒(shao)嘴(zui)，可(ke)(ke)對(dui)不同規(gui)(gui)格(ge)鋼(gang)(gang)(gang)(gang)坯(pi)(pi)(pi)提供的(de)(de)(de)(de)(de)溫(wen)度(du)(du)(du)(du)控(kong)制(zhi)(zhi)，并節(jie)約燃(ran)料。鋼(gang)(gang)(gang)(gang)坯(pi)(pi)(pi)出爐(lu)后(hou)(hou)，先(xian)用(yong)(yong)(yong)10-25MPa的(de)(de)(de)(de)(de)高(gao)(gao)壓(ya)水(shui)除(chu)鱗(lin)，然后(hou)(hou)送(song)(song)(song)入(ru)開(kai)坯(pi)(pi)(pi)機(ji)(ji)(ji)軋(ya)(ya)(ya)(ya)制(zhi)(zhi)。開(kai)坯(pi)(pi)(pi)機(ji)(ji)(ji)一(yi)(yi)般(ban)(ban)(ban)為兩(liang)輥(gun)(gun)(gun)(gun)可(ke)(ke)逆(ni)(ni)式軋(ya)(ya)(ya)(ya)機(ji)(ji)(ji)（在(zai)(zai)小(xiao)型(xing)鋼(gang)(gang)(gang)(gang)上也有采(cai)(cai)用(yong)(yong)(yong)三輥(gun)(gun)(gun)(gun)軋(ya)(ya)(ya)(ya)機(ji)(ji)(ji)的(de)(de)(de)(de)(de)，但(dan)工(gong)(gong)(gong)藝(yi)局限(xian)性強不利(li)于生(sheng)產(chan)組(zu)織），在(zai)(zai)開(kai)坯(pi)(pi)(pi)機(ji)(ji)(ji)上需要(yao)軋(ya)(ya)(ya)(ya)制(zhi)(zhi)5～13道次左右(you)，然后(hou)(hou)軋(ya)(ya)(ya)(ya)件被(bei)送(song)(song)(song)往切(qie)(qie)頭飛剪(jian)或熱鋸(ju)(ju)，熱鋸(ju)(ju)只負(fu)責切(qie)(qie)去頭部未成(cheng)(cheng)(cheng)形(xing)部分(fen)，但(dan)飛剪(jian)可(ke)(ke)切(qie)(qie)頭、分(fen)段及切(qie)(qie)尾。切(qie)(qie)頭后(hou)(hou)的(de)(de)(de)(de)(de)軋(ya)(ya)(ya)(ya)件送(song)(song)(song)入(ru)精軋(ya)(ya)(ya)(ya)機(ji)(ji)(ji)組(zu)進(jin)行(xing)軋(ya)(ya)(ya)(ya)制(zhi)(zhi)，國內主(zhu)要(yao)廠家(jia)(jia)(jia)小(xiao)規(gui)(gui)格(ge)型(xing)鋼(gang)(gang)(gang)(gang)精軋(ya)(ya)(ya)(ya)都(dou)(dou)采(cai)(cai)用(yong)(yong)(yong)全連(lian)軋(ya)(ya)(ya)(ya)形(xing)式，大(da)(da)規(gui)(gui)格(ge)型(xing)鋼(gang)(gang)(gang)(gang)精軋(ya)(ya)(ya)(ya)都(dou)(dou)為可(ke)(ke)逆(ni)(ni)軋(ya)(ya)(ya)(ya)制(zhi)(zhi)。經精軋(ya)(ya)(ya)(ya)軋(ya)(ya)(ya)(ya)制(zhi)(zhi)后(hou)(hou)一(yi)(yi)般(ban)(ban)(ban)都(dou)(dou)直(zhi)(zhi)接送(song)(song)(song)上冷(leng)(leng)(leng)床(chuang)進(jin)行(xing)冷(leng)(leng)(leng)卻，但(dan)也有采(cai)(cai)用(yong)(yong)(yong)上冷(leng)(leng)(leng)床(chuang)前(qian)(qian)進(jin)行(xing)分(fen)段或上冷(leng)(leng)(leng)床(chuang)后(hou)(hou)切(qie)(qie)頭的(de)(de)(de)(de)(de)。大(da)(da)規(gui)(gui)格(ge)型(xing)鋼(gang)(gang)(gang)(gang)由(you)于腿(tui)厚與(yu)腰(yao)厚差比較大(da)(da)，若采(cai)(cai)用(yong)(yong)(yong)平(ping)放容易因腰(yao)腿(tui)冷(leng)(leng)(leng)卻速度(du)(du)(du)(du)不一(yi)(yi)致，造成(cheng)(cheng)(cheng)腰(yao)部波浪(lang)，故一(yi)(yi)般(ban)(ban)(ban)多(duo)采(cai)(cai)用(yong)(yong)(yong)立冷(leng)(leng)(leng)。但(dan)小(xiao)規(gui)(gui)格(ge)H型(xing)鋼(gang)(gang)(gang)(gang)主(zhu)流廠家(jia)(jia)(jia)都(dou)(dou)采(cai)(cai)用(yong)(yong)(yong)步進(jin)齒式冷(leng)(leng)(leng)床(chuang)都(dou)(dou)在(zai)(zai)齒條上斜放，采(cai)(cai)用(yong)(yong)(yong)步進(jin)式齒式冷(leng)(leng)(leng)床(chuang)不僅可(ke)(ke)以減少原(yuan)來用(yong)(yong)(yong)鏈式拖(tuo)運機(ji)(ji)(ji)構(gou)造成(cheng)(cheng)(cheng)的(de)(de)(de)(de)(de)缺陷，而且容易控(kong)制(zhi)(zhi)鋼(gang)(gang)(gang)(gang)材冷(leng)(leng)(leng)卻速度(du)(du)(du)(du)。經過冷(leng)(leng)(leng)卻后(hou)(hou)的(de)(de)(de)(de)(de)H型(xing)鋼(gang)(gang)(gang)(gang)被(bei)送(song)(song)(song)人(ren)矯(jiao)直(zhi)(zhi)機(ji)(ji)(ji)矯(jiao)直(zhi)(zhi)。由(you)于H型(xing)鋼(gang)(gang)(gang)(gang)斷面模數較大(da)(da)，一(yi)(yi)般(ban)(ban)(ban)都(dou)(dou)采(cai)(cai)用(yong)(yong)(yong)8輥(gun)(gun)(gun)(gun)、9輥(gun)(gun)(gun)(gun)或10輥(gun)(gun)(gun)(gun)式矯(jiao)直(zhi)(zhi)機(ji)(ji)(ji)矯(jiao)直(zhi)(zhi)，矯(jiao)直(zhi)(zhi)輥(gun)(gun)(gun)(gun)間(jian)距可(ke)(ke)達2200mm。鋼(gang)(gang)(gang)(gang)材經矯(jiao)直(zhi)(zhi)后(hou)(hou)被(bei)送(song)(song)(song)入(ru)編組(zu)臺架進(jin)行(xing)分(fen)組(zu)等候鋸(ju)(ju)切(qie)(qie)，經冷(leng)(leng)(leng)鋸(ju)(ju)按(an)定(ding)尺長度(du)(du)(du)(du)鋸(ju)(ju)切(qie)(qie)后(hou)(hou)被(bei)送(song)(song)(song)到(dao)檢查臺檢查尺寸、外(wai)形(xing)和(he)表面質量(liang)，然后(hou)(hou)進(jin)行(xing)分(fen)類(lei)、堆垛和(he)打捆后(hou)(hou)送(song)(song)(song)入(ru)倉(cang)庫。對(dui)不合格(ge)品按(an)按(an)缺陷種類(lei)進(jin)行(xing)對(dui)應的(de)(de)(de)(de)(de)重矯(jiao)、修磨(mo)、焊補及其它處理(li)，然后(hou)(hou)進(jin)入(ru)對(dui)應質檢程序檢查合格(ge)后(hou)(hou)再分(fen)類(lei)入(ru)庫。為提高(gao)(gao)軋(ya)(ya)(ya)(ya)機(ji)(ji)(ji)作業率、減少換(huan)輥(gun)(gun)(gun)(gun)時間(jian)，幾乎所有的(de)(de)(de)(de)(de)廠家(jia)(jia)(jia)都(dou)(dou)采(cai)(cai)用(yong)(yong)(yong)快速換(huan)輥(gun)(gun)(gun)(gun)系統，即(ji)在(zai)(zai)生(sheng)產(chan)的(de)(de)(de)(de)(de)同時預(yu)先(xian)把(ba)下一(yi)(yi)個(ge)品種所需軋(ya)(ya)(ya)(ya)輥(gun)(gun)(gun)(gun)組(zu)裝(zhuang)(zhuang)(zhuang)好(hao)。在(zai)(zai)換(huan)輥(gun)(gun)(gun)(gun)時只要(yao)把(ba)全部原(yuan)機(ji)(ji)(ji)架拉出，換(huan)上已裝(zhuang)(zhuang)(zhuang)好(hao)的(de)(de)(de)(de)(de)新機(ji)(ji)(ji)架即(ji)可(ke)(ke)。每個(ge)機(ji)(ji)(ji)架都(dou)(dou)裝(zhuang)(zhuang)(zhuang)有一(yi)(yi)個(ge)快速接頭面板，面板內包括冷(leng)(leng)(leng)卻水(shui)、液(ye)壓(ya)、稀油(you)和(he)干油(you)管(guan)接頭及連(lian)接桿的(de)(de)(de)(de)(de)定(ding)位連(lian)接裝(zhuang)(zhuang)(zhuang)置等。該(gai)裝(zhuang)(zhuang)(zhuang)置拆接方便、迅速，整個(ge)換(huan)輥(gun)(gun)(gun)(gun)時間(jian)約10-20分(fen)鐘(zhong)左右(you)。根據小(xiao)型(xing)鋼(gang)(gang)(gang)(gang)的(de)(de)(de)(de)(de)換(huan)輥(gun)(gun)(gun)(gun)經驗一(yi)(yi)般(ban)(ban)(ban)整體換(huan)輥(gun)(gun)(gun)(gun)時間(jian)在(zai)(zai)45-70分(fen)鐘(zhong)左右(you)。近(jin)二十(shi)年來，隨著連(lian)鑄(zhu)技術(shu)的(de)(de)(de)(de)(de)進(jin)步和(he)在(zai)(zai)線自動化程度(du)(du)(du)(du)的(de)(de)(de)(de)(de)提高(gao)(gao)，H型(xing)鋼(gang)(gang)(gang)(gang)生(sheng)產(chan)工(gong)(gong)(gong)藝(yi)也日益(yi)成(cheng)(cheng)(cheng)熟，而且正朝高(gao)(gao)度(du)(du)(du)(du)自動化和(he)連(lian)續(xu)鑄(zhu)軋(ya)(ya)(ya)(ya)的(de)(de)(de)(de)(de)方向發展，將要(yao)面臨工(gong)(gong)(gong)藝(yi)的(de)(de)(de)(de)(de)變(bian)革。下期將為大(da)(da)家(jia)(jia)(jia)帶來H型(xing)鋼(gang)(gang)(gang)(gang)的(de)(de)(de)(de)(de)常見缺陷，敬(jing)請(qing)期待！