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)股份有限公司方(fang)(fang)矩(ju)形(xing)焊管(guan)機組(zu)參數如(ru)表(biao)7-8所(suo)示(shi)。一、生產(chan)(chan)(chan)工(gong)(gong)(gong)藝流程玉龍方(fang)(fang)矩(ju)形(xing)焊管(guan)機組(zu)生產(chan)(chan)(chan)工(gong)(gong)(gong)藝流程見圖7-11所(suo)示(shi)。二、主要(yao)技術特點(1)原材料寬度計算:生產(chan)(chan)(chan)同樣規格的方(fang)(fang)、矩(ju)形(xing)管(guan),采(cai)(cai)用直接成方(fang)(fang)工(gong)(gong)(gong)藝與采(cai)(cai)用圓成方(fang)(fang)工(gong)(gong)(gong)藝相(xiang)比(bi),圓成方(fang)(fang)工(gong)(gong)(gong)藝變形(xing)劇烈,軋制力較(jiao)大(da),鋼管(guan)產(chan)(chan)(chan)生了較(jiao)大(da)的延(yan)伸(shen),再(zai)...