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大型齒圈鍛造工藝研(yan)究

文章來源：sjzwx 更新時間：2014-11-24 09:25:36

    當前鍛件市(shi)場(chang)競爭激烈，公(gong)(gong)司(si)(si)水(shui)(shui)壓(ya)機噸位小(xiao)，鍛(duan)(duan)(duan)(duan)(duan)(duan)造(zao)(zao)(zao)(zao)(zao)空(kong)間有限，在市(shi)場(chang)競爭中處于(yu)不利地位。如(ru)何采取(qu)工(gong)藝(yi)措施，進行技術創新，挖掘設備(bei)鍛(duan)(duan)(duan)(duan)(duan)(duan)造(zao)(zao)(zao)(zao)(zao)潛力(li)，采用(yong)小(xiao)設備(bei)干大活，成(cheng)(cheng)為擺在鍛(duan)(duan)(duan)(duan)(duan)(duan)造(zao)(zao)(zao)(zao)(zao)分公(gong)(gong)司(si)(si)面前的(de)問題。這次我(wo)公(gong)(gong)司(si)(si)營銷部承(cheng)攬沈陽某公(gong)(gong)司(si)(si)的(de)筒類(lei)(lei)鍛(duan)(duan)(duan)(duan)(duan)(duan)件(jian)(jian)(jian)，材料(liao)：20SiMn，其(qi)精加(jia)工(gong)尺(chi)(chi)寸(cun)為中2205X中1933×1340mm，鍛(duan)(duan)(duan)(duan)(duan)(duan)件(jian)(jian)(jian)重量(liang)達(da)(da)14000kg，從(cong)外徑、高(gao)度及(ji)鍛(duan)(duan)(duan)(duan)(duan)(duan)件(jian)(jian)(jian)重均為我(wo)公(gong)(gong)司(si)(si)3200噸水(shui)(shui)壓(ya)機鍛(duan)(duan)(duan)(duan)(duan)(duan)造(zao)(zao)(zao)(zao)(zao)歷(li)史上最大的(de)圈(quan)類(lei)(lei)鍛(duan)(duan)(duan)(duan)(duan)(duan)件(jian)(jian)(jian)。從(cong)我(wo)公(gong)(gong)司(si)(si)水(shui)(shui)壓(ya)機現(xian)有鍛(duan)(duan)(duan)(duan)(duan)(duan)造(zao)(zao)(zao)(zao)(zao)空(kong)間來看，由于(yu)此鍛(duan)(duan)(duan)(duan)(duan)(duan)件(jian)(jian)(jian)高(gao)度尺(chi)(chi)寸(cun)達(da)(da)到(dao)1400mm，采用(yong)馬杠擴孔成(cheng)(cheng)形必須(xu)用(yong)整(zheng)體(ti)縱向砧滿長(chang)擴孔鍛(duan)(duan)(duan)(duan)(duan)(duan)造(zao)(zao)(zao)(zao)(zao)成(cheng)(cheng)形出成(cheng)(cheng)品，否(fou)則(ze)會(hui)導致超出水(shui)(shui)壓(ya)機下橫梁底(di)座外鍛(duan)(duan)(duan)(duan)(duan)(duan)造(zao)(zao)(zao)(zao)(zao)，危害鍛(duan)(duan)(duan)(duan)(duan)(duan)造(zao)(zao)(zao)(zao)(zao)設備(bei)；如(ru)此尺(chi)(chi)寸(cun)規格的(de)圈(quan)類(lei)(lei)鍛(duan)(duan)(duan)(duan)(duan)(duan)件(jian)(jian)(jian)，為能(neng)承(cheng)接此鍛(duan)(duan)(duan)(duan)(duan)(duan)件(jian)(jian)(jian)訂貨，在鍛(duan)(duan)(duan)(duan)(duan)(duan)造(zao)(zao)(zao)(zao)(zao)工(gong)藝(yi)編制(zhi)(zhi)(zhi)上要(yao)縮小(xiao)鍛(duan)(duan)(duan)(duan)(duan)(duan)件(jian)(jian)(jian)加(jia)工(gong)余量(liang)，以便控制(zhi)(zhi)(zhi)鍛(duan)(duan)(duan)(duan)(duan)(duan)件(jian)(jian)(jian)重量(liang)，達(da)(da)到(dao)用(yong)戶要(yao)求，加(jia)大鍛(duan)(duan)(duan)(duan)(duan)(duan)件(jian)(jian)(jian)尺(chi)(chi)寸(cun)控制(zhi)(zhi)(zhi)難(nan)度。鍛(duan)(duan)(duan)(duan)(duan)(duan)造(zao)(zao)(zao)(zao)(zao)工(gong)序(xu)復雜，鍛(duan)(duan)(duan)(duan)(duan)(duan)造(zao)(zao)(zao)(zao)(zao)火次多(duo)。鍛(duan)(duan)(duan)(duan)(duan)(duan)件(jian)(jian)(jian)鍛(duan)(duan)(duan)(duan)(duan)(duan)造(zao)(zao)(zao)(zao)(zao)過程(cheng)基本囊括(kuo)自由鍛(duan)(duan)(duan)(duan)(duan)(duan)造(zao)(zao)(zao)(zao)(zao)所有工(gong)序(xu)，鍛(duan)(duan)(duan)(duan)(duan)(duan)件(jian)(jian)(jian)重量(liang)大，鋼錠的(de)下料(liao)、坯料(liao)的(de)鐓(dui)粗、沖孔、中間過程(cheng)的(de)芯棒拔長(chang)，各工(gong)序(xu)尺(chi)(chi)寸(cun)須(xu)相互匹(pi)配，否(fou)則(ze)鍛(duan)(duan)(duan)(duan)(duan)(duan)造(zao)(zao)(zao)(zao)(zao)過程(cheng)會(hui)超長(chang)，坯料(liao)燒損嚴重，料(liao)不夠用(yong)而(er)導致尺(chi)(chi)寸(cun)達(da)(da)不到(dao)工(gong)藝(yi)要(yao)求而(er)報廢(fei)。針對(dui)上述(shu)制(zhi)(zhi)(zhi)造(zao)(zao)(zao)(zao)(zao)難(nan)度，我(wo)公(gong)(gong)司(si)(si)組織技術、生產(chan)、設備(bei)、水(shui)(shui)壓(ya)機車間等部門的(de)相關人員對(dui)其(qi)進行了制(zhi)(zhi)(zhi)造(zao)(zao)(zao)(zao)(zao)工(gong)藝(yi)的(de)研究。