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
江蘇玉龍鋼管(guan)股份有限(xian)公(gong)司方矩形焊(han)管(guan)機(ji)組參數如表7-8所示。一、生產(chan)(chan)工(gong)藝流程玉龍方矩形焊(han)管(guan)機(ji)組生產(chan)(chan)工(gong)藝流程見圖7-11所示。二、主要技術(shu)特(te)點(dian)(1)原材料寬(kuan)度計算:生產(chan)(chan)同樣規格的方、矩形管(guan),采(cai)用(yong)直(zhi)接成(cheng)方工(gong)藝與(yu)采(cai)用(yong)圓成(cheng)方工(gong)藝相比,圓成(cheng)方工(gong)藝變形劇(ju)烈,軋制(zhi)力較大(da),鋼管(guan)產(chan)(chan)生了較大(da)的延伸,再...