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<池州>億錦天澤鋼鐵有限公司 池州球鐵QT500-7方棒切割零售

池州(zhou)億錦鑄(zhu)(zhu)(zhu)(zhu)鐵(tie)(tie)(tie)(tie)(tie)(tie)型(xing)(xing)(xing)(xing)材(cai)有(you)限公(gong)司(si)專業(ye)提供池州(zhou)球(qiu)(qiu)(qiu)(qiu)墨(mo)(mo)鑄(zhu)(zhu)(zhu)(zhu)鐵(tie)(tie)(tie)(tie)(tie)(tie)棒現(xian)貨，池州(zhou)鑄(zhu)(zhu)(zhu)(zhu)鐵(tie)(tie)(tie)(tie)(tie)(tie)棒生(sheng)產(chan)(chan)廠家的(de)(de)(de)(de)鑄(zhu)(zhu)(zhu)(zhu)鐵(tie)(tie)(tie)(tie)(tie)(tie)型(xing)(xing)(xing)(xing)材(cai)在(zai)(zai)(zai)工(gong)(gong)(gong)(gong)程中(zhong)(zhong)具有(you)廣(guang)泛(fan)的(de)(de)(de)(de)應(ying)用(yong)(yong)(yong)，然而(er)鑄(zhu)(zhu)(zhu)(zhu)鐵(tie)(tie)(tie)(tie)(tie)(tie)型(xing)(xing)(xing)(xing)材(cai)制(zhi)(zhi)(zhi)(zhi)品(pin)的(de)(de)(de)(de)生(sheng)產(chan)(chan)中(zhong)(zhong)存在(zai)(zai)(zai)球(qiu)(qiu)(qiu)(qiu)化率(lv)控(kong)(kong)制(zhi)(zhi)(zhi)(zhi)的(de)(de)(de)(de)困難，在(zai)(zai)(zai)實(shi)(shi)(shi)(shi)際(ji)生(sheng)產(chan)(chan)中(zhong)(zhong)一(yi)般采(cai)用(yong)(yong)(yong)爐(lu)前檢(jian)測(ce)的(de)(de)(de)(de)方法(fa)(fa)(fa)來控(kong)(kong)制(zhi)(zhi)(zhi)(zhi)球(qiu)(qiu)(qiu)(qiu)化率(lv)。熱分析技術(shu)(shu)(shu)是(shi)目前在(zai)(zai)(zai)爐(lu)前檢(jian)測(ce)中(zhong)(zhong)應(ying)用(yong)(yong)(yong)較多的(de)(de)(de)(de)先進(jin)技術(shu)(shu)(shu)。在(zai)(zai)(zai)采(cai)用(yong)(yong)(yong)熱分析技術(shu)(shu)(shu)控(kong)(kong)制(zhi)(zhi)(zhi)(zhi)蠕鐵(tie)(tie)(tie)(tie)(tie)(tie)制(zhi)(zhi)(zhi)(zhi)品(pin)球(qiu)(qiu)(qiu)(qiu)化率(lv)的(de)(de)(de)(de)技術(shu)(shu)(shu)中(zhong)(zhong)，其(qi)關鍵(jian)是(shi)如(ru)何將鑄(zhu)(zhu)(zhu)(zhu)鐵(tie)(tie)(tie)(tie)(tie)(tie)液的(de)(de)(de)(de)冷卻曲線(xian)(xian)準確采(cai)集(ji)到(dao)電腦(nao)中(zhong)(zhong)，并提取曲線(xian)(xian)上(shang)能(neng)(neng)(neng)夠表征(zheng)(zheng)球(qiu)(qiu)(qiu)(qiu)化率(lv)的(de)(de)(de)(de)特征(zheng)(zheng)值。對(dui)鼓(gu)肚缺(que)陷，在(zai)(zai)(zai)鑄(zhu)(zhu)(zhu)(zhu)鐵(tie)(tie)(tie)(tie)(tie)(tie)型(xing)(xing)(xing)(xing)材(cai)的(de)(de)(de)(de)水平(ping)(ping)連鑄(zhu)(zhu)(zhu)(zhu)過(guo)(guo)程中(zhong)(zhong)采(cai)用(yong)(yong)(yong)反(fan)(fan)弧度(du)(du)法(fa)(fa)(fa)工(gong)(gong)(gong)(gong)藝(yi)(yi)，即通(tong)過(guo)(guo)新型(xing)(xing)(xing)(xing)的(de)(de)(de)(de)石墨(mo)(mo)套(tao)與(yu)引(yin)錠裝(zhuang)置來實(shi)(shi)(shi)(shi)現(xian)的(de)(de)(de)(de)，通(tong)過(guo)(guo)實(shi)(shi)(shi)(shi)施反(fan)(fan)弧度(du)(du)法(fa)(fa)(fa)工(gong)(gong)(gong)(gong)藝(yi)(yi)，鑄(zhu)(zhu)(zhu)(zhu)鐵(tie)(tie)(tie)(tie)(tie)(tie)型(xing)(xing)(xing)(xing)材(cai)的(de)(de)(de)(de)鼓(gu)肚現(xian)象得到(dao)有(you)效。但由于(yu)(yu)在(zai)(zai)(zai)率(lv)次實(shi)(shi)(shi)(shi)驗(yan)過(guo)(guo)程中(zhong)(zhong)，剛開(kai)始(shi)生(sheng)產(chan)(chan)鑄(zhu)(zhu)(zhu)(zhu)鐵(tie)(tie)(tie)(tie)(tie)(tie)型(xing)(xing)(xing)(xing)材(cai)時(shi)的(de)(de)(de)(de)拉(la)(la)(la)拔(ba)(ba)速度(du)(du)比較慢、拉(la)(la)(la)拔(ba)(ba)周期較長(chang)，使鑄(zhu)(zhu)(zhu)(zhu)鐵(tie)(tie)(tie)(tie)(tie)(tie)型(xing)(xing)(xing)(xing)材(cai)在(zai)(zai)(zai)結(jie)晶器的(de)(de)(de)(de)停留(liu)時(shi)間過(guo)(guo)長(chang)，導(dao)致在(zai)(zai)(zai)扁平(ping)(ping)方向上(shang)鑄(zhu)(zhu)(zhu)(zhu)鐵(tie)(tie)(tie)(tie)(tie)(tie)型(xing)(xing)(xing)(xing)材(cai)頂部略微向下(xia)凹(ao)，當拉(la)(la)(la)拔(ba)(ba)參(can)數調整合適(shi)時(shi)，下(xia)凹(ao)及鼓(gu)肚現(xian)象基(ji)本消失。反(fan)(fan)弧度(du)(du)法(fa)(fa)(fa)工(gong)(gong)(gong)(gong)藝(yi)(yi)制(zhi)(zhi)(zhi)(zhi)各(ge)的(de)(de)(de)(de)鑄(zhu)(zhu)(zhu)(zhu)鐵(tie)(tie)(tie)(tie)(tie)(tie)型(xing)(xing)(xing)(xing)材(cai)組(zu)織更為(wei)均勻，力學(xue)(xue)性能(neng)(neng)(neng)更為(wei)優良。并且(qie)其(qi)抗(kang)拉(la)(la)(la)強(qiang)(qiang)度(du)(du)指標高(gao)于(yu)(yu)鑄(zhu)(zhu)(zhu)(zhu)鐵(tie)(tie)(tie)(tie)(tie)(tie)型(xing)(xing)(xing)(xing)材(cai)標準(JBT10854-2008水平(ping)(ping)連續鑄(zhu)(zhu)(zhu)(zhu)造鑄(zhu)(zhu)(zhu)(zhu)鐵(tie)(tie)(tie)(tie)(tie)(tie)型(xing)(xing)(xing)(xing)材(cai)) 性能(neng)(neng)(neng)要求(qiu)。同(tong)時(shi)，伸長(chang)率(lv)指標均超(chao)過(guo)(guo)LZQT500-7規定(ding)(ding)的(de)(de)(de)(de)指標。與(yu)拉(la)(la)(la)伸性能(neng)(neng)(neng)結(jie)果類似，反(fan)(fan)弧度(du)(du)法(fa)(fa)(fa)試(shi)樣的(de)(de)(de)(de)抗(kang)壓強(qiang)(qiang)度(du)(du)高(gao)于(yu)(yu)未實(shi)(shi)(shi)(shi)施反(fan)(fan)弧度(du)(du)法(fa)(fa)(fa)試(shi)樣的(de)(de)(de)(de)抗(kang)拉(la)(la)(la)強(qiang)(qiang)度(du)(du)。而(er)且(qie)無法(fa)(fa)(fa)建(jian)立(li)數學(xue)(xue)模(mo)(mo)型(xing)(xing)(xing)(xing)，采(cai)用(yong)(yong)(yong)BP、GA-BP神經網(wang)絡(luo)算法(fa)(fa)(fa)進(jin)行拉(la)(la)(la)坯(pi)工(gong)(gong)(gong)(gong)藝(yi)(yi)參(can)數自(zi)適(shi)應(ying)整定(ding)(ding)研究。基(ji)于(yu)(yu)Matlab軟件建(jian)立(li)以(yi)鑄(zhu)(zhu)(zhu)(zhu)造工(gong)(gong)(gong)(gong)藝(yi)(yi)參(can)數為(wei)輸(shu)入(ru)，拉(la)(la)(la)坯(pi)工(gong)(gong)(gong)(gong)藝(yi)(yi)參(can)數為(wei)輸(shu)出(chu)的(de)(de)(de)(de)控(kong)(kong)制(zhi)(zhi)(zhi)(zhi)模(mo)(mo)型(xing)(xing)(xing)(xing)。仿真實(shi)(shi)(shi)(shi)驗(yan)表明本文建(jian)立(li)的(de)(de)(de)(de)拉(la)(la)(la)坯(pi)工(gong)(gong)(gong)(gong)藝(yi)(yi)參(can)數GA-BP神經網(wang)絡(luo)控(kong)(kong)制(zhi)(zhi)(zhi)(zhi)模(mo)(mo)型(xing)(xing)(xing)(xing)可以(yi)用(yong)(yong)(yong)于(yu)(yu)拉(la)(la)(la)坯(pi)工(gong)(gong)(gong)(gong)藝(yi)(yi)參(can)數自(zi)適(shi)應(ying)整定(ding)(ding)，所獲(huo)得拉(la)(la)(la)坯(pi)工(gong)(gong)(gong)(gong)藝(yi)(yi)參(can)數能(neng)(neng)(neng)夠用(yong)(yong)(yong)于(yu)(yu)實(shi)(shi)(shi)(shi)際(ji)生(sheng)產(chan)(chan)系統(tong)，實(shi)(shi)(shi)(shi)現(xian)高(gao)質量、率(lv)的(de)(de)(de)(de)鑄(zhu)(zhu)(zhu)(zhu)鐵(tie)(tie)(tie)(tie)(tie)(tie)型(xing)(xing)(xing)(xing)材(cai)水平(ping)(ping)連鑄(zhu)(zhu)(zhu)(zhu)拉(la)(la)(la)坯(pi)生(sheng)產(chan)(chan)。因(yin)而(er)在(zai)(zai)(zai)國民經濟的(de)(de)(de)(de)各(ge)行各(ge)業(ye)中(zhong)(zhong)有(you)著(zhu)廣(guang)泛(fan)的(de)(de)(de)(de)應(ying)用(yong)(yong)(yong)，而(er)且(qie)逐漸成為(wei)重工(gong)(gong)(gong)(gong)業(ye)中(zhong)(zhong)重要的(de)(de)(de)(de)部分。近年來，厚壁球(qiu)(qiu)(qiu)(qiu)鐵(tie)(tie)(tie)(tie)(tie)(tie)鑄(zhu)(zhu)(zhu)(zhu)鐵(tie)(tie)(tie)(tie)(tie)(tie)型(xing)(xing)(xing)(xing)材(cai)的(de)(de)(de)(de)生(sheng)產(chan)(chan)不斷增長(chang)，用(yong)(yong)(yong)于(yu)(yu)制(zhi)(zhi)(zhi)(zhi)造大型(xing)(xing)(xing)(xing)的(de)(de)(de)(de)耐(nai)壓、耐(nai)磨(mo)、耐(nai)熱零件。與(yu)普通(tong)球(qiu)(qiu)(qiu)(qiu)鐵(tie)(tie)(tie)(tie)(tie)(tie)相比，厚壁鑄(zhu)(zhu)(zhu)(zhu)鐵(tie)(tie)(tie)(tie)(tie)(tie)型(xing)(xing)(xing)(xing)材(cai)常伴隨孕育衰退(tui)、球(qiu)(qiu)(qiu)(qiu)墨(mo)(mo)畸(ji)變、石墨(mo)(mo)漂浮、元素偏(pian)析、縮松(song)、縮孔等缺(que)陷，成為(wei)困擾生(sheng)產(chan)(chan)廠家的(de)(de)(de)(de)難題之一(yi)。

池州億錦(jin)鑄(zhu)(zhu)(zhu)(zhu)(zhu)鐵(tie)(tie)(tie)型(xing)(xing)(xing)材(cai)(cai)(cai)有(you)限(xian)公(gong)司(si)專(zhuan)業提(ti)供池州球墨(mo)鑄(zhu)(zhu)(zhu)(zhu)(zhu)鐵(tie)(tie)(tie)棒現(xian)貨，池州鑄(zhu)(zhu)(zhu)(zhu)(zhu)鐵(tie)(tie)(tie)棒生(sheng)產廠家今(jin)后我(wo)國對球墨(mo)鑄(zhu)(zhu)(zhu)(zhu)(zhu)鐵(tie)(tie)(tie)型(xing)(xing)(xing)材(cai)(cai)(cai)的需求(qiu)(qiu)量(liang)將快速增加。球墨(mo)鑄(zhu)(zhu)(zhu)(zhu)(zhu)鐵(tie)(tie)(tie)型(xing)(xing)(xing)材(cai)(cai)(cai)主要用(yong)(yong)(yong)于(yu)(yu)(yu)(yu)城市供水、城市管網改造(zao)(zao)，污水處理等市政建(jian)設項目(mu)。目(mu)前，國內球墨(mo)鑄(zhu)(zhu)(zhu)(zhu)(zhu)鐵(tie)(tie)(tie)管行業大型(xing)(xing)(xing)企業數(shu)目(mu)較少(shao)。鑄(zhu)(zhu)(zhu)(zhu)(zhu)鐵(tie)(tie)(tie)型(xing)(xing)(xing)材(cai)(cai)(cai)在(zai)(zai)重工(gong)業中(zhong)(zhong)需求(qiu)(qiu)量(liang)大，被廣(guang)泛應(ying)用(yong)(yong)(yong)于(yu)(yu)(yu)(yu)交通(tong)運(yun)輸(shu)(shu)、機(ji)床、印刷、農業機(ji)械等支柱行業。對鼓肚(du)缺陷(xian)，在(zai)(zai)鑄(zhu)(zhu)(zhu)(zhu)(zhu)鐵(tie)(tie)(tie)型(xing)(xing)(xing)材(cai)(cai)(cai)的水平連鑄(zhu)(zhu)(zhu)(zhu)(zhu)過程中(zhong)(zhong)采(cai)用(yong)(yong)(yong)反(fan)弧(hu)度(du)(du)法(fa)(fa)工(gong)藝(yi)(yi)(yi)，即通(tong)過新型(xing)(xing)(xing)的石墨(mo)套與引錠裝置來實現(xian)的，通(tong)過實施(shi)反(fan)弧(hu)度(du)(du)法(fa)(fa)工(gong)藝(yi)(yi)(yi)，鑄(zhu)(zhu)(zhu)(zhu)(zhu)鐵(tie)(tie)(tie)型(xing)(xing)(xing)材(cai)(cai)(cai)的鼓肚(du)現(xian)象得到有(you)效。但由于(yu)(yu)(yu)(yu)在(zai)(zai)率(lv)次實驗過程中(zhong)(zhong)，剛開始(shi)生(sheng)產鑄(zhu)(zhu)(zhu)(zhu)(zhu)鐵(tie)(tie)(tie)型(xing)(xing)(xing)材(cai)(cai)(cai)時(shi)的拉(la)(la)拔速度(du)(du)比較慢(man)、拉(la)(la)拔周(zhou)期較長，使(shi)鑄(zhu)(zhu)(zhu)(zhu)(zhu)鐵(tie)(tie)(tie)型(xing)(xing)(xing)材(cai)(cai)(cai)在(zai)(zai)結晶器的停留時(shi)間過長，導致在(zai)(zai)扁(bian)平方(fang)向(xiang)(xiang)上鑄(zhu)(zhu)(zhu)(zhu)(zhu)鐵(tie)(tie)(tie)型(xing)(xing)(xing)材(cai)(cai)(cai)頂部略微向(xiang)(xiang)下(xia)凹，當拉(la)(la)拔參(can)(can)數(shu)調整(zheng)合適(shi)時(shi)，下(xia)凹及鼓肚(du)現(xian)象基(ji)本(ben)消失。反(fan)弧(hu)度(du)(du)法(fa)(fa)工(gong)藝(yi)(yi)(yi)制各的鑄(zhu)(zhu)(zhu)(zhu)(zhu)鐵(tie)(tie)(tie)型(xing)(xing)(xing)材(cai)(cai)(cai)組織更為(wei)均勻，力學性(xing)能(neng)更為(wei)優(you)良。并(bing)且(qie)其(qi)抗(kang)拉(la)(la)強(qiang)度(du)(du)指標(biao)(biao)高(gao)于(yu)(yu)(yu)(yu)鑄(zhu)(zhu)(zhu)(zhu)(zhu)鐵(tie)(tie)(tie)型(xing)(xing)(xing)材(cai)(cai)(cai)標(biao)(biao)準(zhun)(JBT10854-2008水平連續鑄(zhu)(zhu)(zhu)(zhu)(zhu)造(zao)(zao)鑄(zhu)(zhu)(zhu)(zhu)(zhu)鐵(tie)(tie)(tie)型(xing)(xing)(xing)材(cai)(cai)(cai)) 性(xing)能(neng)要求(qiu)(qiu)。同時(shi)，伸(shen)長率(lv)指標(biao)(biao)均超過LZQT500-7規定(ding)的指標(biao)(biao)。與拉(la)(la)伸(shen)性(xing)能(neng)結果類似，反(fan)弧(hu)度(du)(du)法(fa)(fa)試樣(yang)的抗(kang)壓強(qiang)度(du)(du)高(gao)于(yu)(yu)(yu)(yu)未實施(shi)反(fan)弧(hu)度(du)(du)法(fa)(fa)試樣(yang)的抗(kang)拉(la)(la)強(qiang)度(du)(du)。由于(yu)(yu)(yu)(yu)鑄(zhu)(zhu)(zhu)(zhu)(zhu)鐵(tie)(tie)(tie)型(xing)(xing)(xing)材(cai)(cai)(cai)拉(la)(la)坯(pi)(pi)工(gong)藝(yi)(yi)(yi)參(can)(can)數(shu)控制系(xi)統(tong)具有(you)非線性(xing)和(he)強(qiang)耦合的特(te)點(dian)，而且(qie)無法(fa)(fa)建(jian)立數(shu)學模(mo)型(xing)(xing)(xing)，采(cai)用(yong)(yong)(yong)BP、GA-BP神(shen)經網絡(luo)(luo)算法(fa)(fa)進行拉(la)(la)坯(pi)(pi)工(gong)藝(yi)(yi)(yi)參(can)(can)數(shu)自適(shi)應(ying)整(zheng)定(ding)研究。基(ji)于(yu)(yu)(yu)(yu)Matlab軟件建(jian)立以(yi)鑄(zhu)(zhu)(zhu)(zhu)(zhu)造(zao)(zao)工(gong)藝(yi)(yi)(yi)參(can)(can)數(shu)為(wei)輸(shu)(shu)入，拉(la)(la)坯(pi)(pi)工(gong)藝(yi)(yi)(yi)參(can)(can)數(shu)為(wei)輸(shu)(shu)出的控制模(mo)型(xing)(xing)(xing)。仿真實驗表(biao)明(ming)本(ben)文建(jian)立的拉(la)(la)坯(pi)(pi)工(gong)藝(yi)(yi)(yi)參(can)(can)數(shu)GA-BP神(shen)經網絡(luo)(luo)控制模(mo)型(xing)(xing)(xing)可以(yi)用(yong)(yong)(yong)于(yu)(yu)(yu)(yu)拉(la)(la)坯(pi)(pi)工(gong)藝(yi)(yi)(yi)參(can)(can)數(shu)自適(shi)應(ying)整(zheng)定(ding)，所獲得拉(la)(la)坯(pi)(pi)工(gong)藝(yi)(yi)(yi)參(can)(can)數(shu)能(neng)夠用(yong)(yong)(yong)于(yu)(yu)(yu)(yu)實際生(sheng)產系(xi)統(tong)，實現(xian)高(gao)質量(liang)、率(lv)的鑄(zhu)(zhu)(zhu)(zhu)(zhu)鐵(tie)(tie)(tie)型(xing)(xing)(xing)材(cai)(cai)(cai)水平連鑄(zhu)(zhu)(zhu)(zhu)(zhu)拉(la)(la)坯(pi)(pi)生(sheng)產。