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(yu)龍(long)鋼(gang)管(guan)股份有限公(gong)司方矩形(xing)焊管(guan)機組參數如表7-8所(suo)示。一、生(sheng)產(chan)工(gong)藝(yi)(yi)流程玉(yu)龍(long)方矩形(xing)焊管(guan)機組生(sheng)產(chan)工(gong)藝(yi)(yi)流程見圖7-11所(suo)示。二、主要技術(shu)特(te)點(dian)(1)原材料寬(kuan)度計算:生(sheng)產(chan)同樣規格的方、矩形(xing)管(guan),采(cai)用(yong)直接成(cheng)(cheng)方工(gong)藝(yi)(yi)與采(cai)用(yong)圓(yuan)成(cheng)(cheng)方工(gong)藝(yi)(yi)相比(bi),圓(yuan)成(cheng)(cheng)方工(gong)藝(yi)(yi)變形(xing)劇烈(lie),軋制(zhi)力(li)較大,鋼(gang)管(guan)產(chan)生(sheng)了較大的延伸,再...