江蘇玉龍鋼管股份有限公司方矩形焊管機組工藝設備特點
江(jiang)蘇玉龍(long)鋼(gang)(gang)管股份(fen)有限公司方(fang)(fang)矩(ju)形(xing)焊(han)管機(ji)組參數如表7-8所(suo)示。一、生產(chan)(chan)工(gong)(gong)藝流程玉龍(long)方(fang)(fang)矩(ju)形(xing)焊(han)管機(ji)組生產(chan)(chan)工(gong)(gong)藝流程見圖7-11所(suo)示。二(er)、主要技(ji)術特(te)點(1)原(yuan)材料寬(kuan)度(du)計算:生產(chan)(chan)同樣規(gui)格的(de)方(fang)(fang)、矩(ju)形(xing)管,采用(yong)(yong)直接(jie)成(cheng)(cheng)方(fang)(fang)工(gong)(gong)藝與(yu)采用(yong)(yong)圓(yuan)成(cheng)(cheng)方(fang)(fang)工(gong)(gong)藝相(xiang)比(bi),圓(yuan)成(cheng)(cheng)方(fang)(fang)工(gong)(gong)藝變形(xing)劇烈,軋制(zhi)力(li)較大(da),鋼(gang)(gang)管產(chan)(chan)生了較大(da)的(de)延(yan)伸,再...