目前卷軋(ya)(ya)中厚板軋(ya)(ya)機的主(zhu)要有以下三種種生產工藝：

 1. 單張鋼板往(wang)復軋制方式

   這種(zhong)方式主要用(yong)于(yu)軋制厚(hou)度(du)大于(yu)20毫(hao)米的(de)厚(hou)鋼(gang)板(ban)(ban)，使(shi)用(yong)較長(chang)(chang)的(de)板(ban)(ban)坯，當軋制到目標鋼(gang)板(ban)(ban)厚(hou)度(du)時，最(zui)終長(chang)(chang)度(du)大于(yu)50米（一般不(bu)超過100米），軋件(jian)直(zhi)接從出(chu)口卷取爐下面(mian)送至轉鼓飛剪，將之剪切成倍尺(chi)母板(ban)(ban)長(chang)(chang)度(du)；通(tong)過加速冷(leng)卻后進入熱矯直(zhi)機及冷(leng)床；最(zui)后經精(jing)整線(xian)剪切出(chu)定尺(chi)成品(pin)鋼(gang)板(ban)(ban)。這種(zhong)方式適于(yu)常規的(de)中(zhong)厚(hou)板(ban)(ban)生(sheng)產工藝。

 2. 卷(juan)軋(ya)鋼板方式

   這(zhe)種方(fang)式主要用于(yu)(yu)(yu)(yu)軋(ya)(ya)制(zhi)生(sheng)(sheng)(sheng)產(chan)厚(hou)度(du)(du)不(bu)(bu)(bu)(bu)超(chao)過20毫(hao)米的中(zhong)厚(hou)鋼(gang)板(ban)。使用較長(chang)板(ban)坯，先在(zai)軋(ya)(ya)機(ji)上經反復可逆軋(ya)(ya)制(zhi)，當軋(ya)(ya)件(jian)(jian)(jian)(jian)厚(hou)度(du)(du)不(bu)(bu)(bu)(bu)超(chao)過25毫(hao)米時，長(chang)軋(ya)(ya)件(jian)(jian)(jian)(jian)進(jin)入軋(ya)(ya)機(ji)入口或出(chu)口卷取爐進(jin)行保(bao)溫(wen)，經往復軋(ya)(ya)制(zhi)，最終軋(ya)(ya)至成品(pin)厚(hou)度(du)(du)；然后從出(chu)口卷取爐下面送往飛剪(jian)(jian)剪(jian)(jian)切成長(chang)度(du)(du)不(bu)(bu)(bu)(bu)超(chao)過50米的母板(ban)，再經熱矯(jiao)直機(ji)矯(jiao)直，冷(leng)床(chuang)冷(leng)卻，在(zai)精整線剪(jian)(jian)切成定尺(chi)長(chang)度(du)(du)鋼(gang)板(ban)。這(zhe)種生(sheng)(sheng)(sheng)產(chan)工藝是卷軋(ya)(ya)中(zhong)厚(hou)板(ban)軋(ya)(ya)機(ji)特(te)(te)有的生(sheng)(sheng)(sheng)產(chan)工藝。卷軋(ya)(ya)板(ban)生(sheng)(sheng)(sheng)產(chan)方(fang)式既不(bu)(bu)(bu)(bu)同于(yu)(yu)(yu)(yu)普通(tong)中(zhong)板(ban)生(sheng)(sheng)(sheng)產(chan)方(fang)式，也(ye)不(bu)(bu)(bu)(bu)同于(yu)(yu)(yu)(yu)熱連軋(ya)(ya)鋼(gang)卷生(sheng)(sheng)(sheng)產(chan)方(fang)式。由(you)(you)于(yu)(yu)(yu)(yu)其(qi)采用的是當軋(ya)(ya)件(jian)(jian)(jian)(jian)軋(ya)(ya)至厚(hou)度(du)(du)不(bu)(bu)(bu)(bu)超(chao)過25毫(hao)米，長(chang)軋(ya)(ya)件(jian)(jian)(jian)(jian)進(jin)入機(ji)前或機(ji)后卷取爐進(jin)行保(bao)溫(wen)方(fang)式，因(yin)此既減(jian)(jian)少了軋(ya)(ya)件(jian)(jian)(jian)(jian)的溫(wen)降，也(ye)可使軋(ya)(ya)件(jian)(jian)(jian)(jian)在(zai)卷取爐與軋(ya)(ya)機(ji)之間形成張力，進(jin)而可減(jian)(jian)小軋(ya)(ya)件(jian)(jian)(jian)(jian)縱向的變形抗力。由(you)(you)于(yu)(yu)(yu)(yu)卷軋(ya)(ya)鋼(gang)板(ban)具有上述特(te)(te)點，因(yin)而可使軋(ya)(ya)件(jian)(jian)(jian)(jian)軋(ya)(ya)得(de)更(geng)薄，并能得(de)到較好的板(ban)形。

 3. 鋼卷(juan)軋制方式

   這種方式(shi)用(yong)于軋(ya)(ya)(ya)制(zhi)商品鋼(gang)卷(juan)(juan)(juan)。采(cai)用(yong)出(chu)、入(ru)口卷(juan)(juan)(juan)取爐，將軋(ya)(ya)(ya)件(jian)往復軋(ya)(ya)(ya)至厚(hou)(hou)2.5～20.0毫米的帶鋼(gang)，經(jing)層(ceng)流冷卻(que)后進入(ru)地(di)下卷(juan)(juan)(juan)取機(ji)(ji)卷(juan)(juan)(juan)成鋼(gang)卷(juan)(juan)(juan)。綜合了熱(re)(re)連軋(ya)(ya)(ya)機(ji)(ji)和(he)中厚(hou)(hou)板軋(ya)(ya)(ya)機(ji)(ji)的技(ji)(ji)(ji)術特(te)點，形(xing)成了現代(dai)卷(juan)(juan)(juan)軋(ya)(ya)(ya)中厚(hou)(hou)板軋(ya)(ya)(ya)機(ji)(ji)的技(ji)(ji)(ji)術特(te)色。采(cai)用(yong)的主要技(ji)(ji)(ji)術有：直接熱(re)(re)裝(zhuang)技(ji)(ji)(ji)術，最高可達(da)到75％；爐卷(juan)(juan)(juan)軋(ya)(ya)(ya)制(zhi)工藝(yi)(yi)技(ji)(ji)(ji)術；控(kong)制(zhi)軋(ya)(ya)(ya)制(zhi)及(ji)熱(re)(re)機(ji)(ji)軋(ya)(ya)(ya)制(zhi)工藝(yi)(yi)技(ji)(ji)(ji)術（可滿足生產管線鋼(gang)、高強度造(zao)船板、高強度結構(gou)鋼(gang)板的要求）；高精度、快(kuai)速動(dong)態自動(dong)厚(hou)(hou)度控(kong)制(zhi)技(ji)(ji)(ji)術（AGC）；板形(xing)控(kong)制(zhi)（目前僅限(xian)于軋(ya)(ya)(ya)輥彎輥）技(ji)(ji)(ji)術；控(kong)制(zhi)冷卻(que)及(ji)層(ceng)流冷卻(que)＋加速冷卻(que)技(ji)(ji)(ji)術；全(quan)液(ye)壓(ya)地(di)下卷(juan)(juan)(juan)取機(ji)(ji)及(ji)自動(dong)踏(ta)步控(kong)制(zhi)技(ji)(ji)(ji)術等。

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