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不銹(xiu)鋼(gang)(gang)三(san)(san)(san)(san)通(tong)(tong)(tong)為(wei)管(guan)(guan)件(jian)、管(guan)(guan)道(dao)連接(jie)件(jian)。用(yong)(yong)(yong)在主管(guan)(guan)道(dao)要分支(zhi)管(guan)(guan)處。 不銹(xiu)鋼(gang)(gang)三(san)(san)(san)(san)通(tong)(tong)(tong)有等(deng)徑(jing)和異徑(jing)之分,等(deng)徑(jing)三(san)(san)(san)(san)通(tong)(tong)(tong)的(de)接(jie)管(guan)(guan)端部均為(wei)相同的(de)尺(chi)(chi)寸(cun);異徑(jing)的(de)三(san)(san)(san)(san)通(tong)(tong)(tong)的(de)主管(guan)(guan)接(jie)管(guan)(guan)尺(chi)(chi)寸(cun)相同,而(er)支(zhi)管(guan)(guan)的(de)接(jie)管(guan)(guan)尺(chi)(chi)寸(cun)小(xiao)于(yu)主管(guan)(guan)的(de)接(jie)管(guan)(guan)尺(chi)(chi)寸(cun)。不銹(xiu)鋼(gang)(gang)三(san)(san)(san)(san)通(tong)(tong)(tong)是用(yong)(yong)(yong)于(yu)管(guan)(guan)道(dao)分支(zhi)處的(de)一(yi)種(zhong)(zhong)管(guan)(guan)件(jian)。對于(yu)采用(yong)(yong)(yong)無縫管(guan)(guan)制造(zao)三(san)(san)(san)(san)通(tong)(tong)(tong)來(lai)講,目前(qian)通(tong)(tong)(tong)常所(suo)(suo)采用(yong)(yong)(yong)的(de)工(gong)藝(yi)有液(ye)(ye)(ye)壓(ya)(ya)脹形(xing)和熱(re)壓(ya)(ya)成形(xing)兩(liang)(liang)種(zhong)(zhong)。不銹(xiu)鋼(gang)(gang)三(san)(san)(san)(san)通(tong)(tong)(tong)的(de)液(ye)(ye)(ye)壓(ya)(ya)脹形(xing)是通(tong)(tong)(tong)過(guo)金屬(shu)材料的(de)軸向補(bu)償脹出(chu)支(zhi)管(guan)(guan)的(de)一(yi)種(zhong)(zhong)成形(xing)工(gong)藝(yi)。其過(guo)程是采用(yong)(yong)(yong)專用(yong)(yong)(yong)液(ye)(ye)(ye)壓(ya)(ya)機(ji),將與三(san)(san)(san)(san)通(tong)(tong)(tong)直徑(jing)相等(deng)的(de)管(guan)(guan)坯(pi)(pi)內注入液(ye)(ye)(ye)體,通(tong)(tong)(tong)過(guo)液(ye)(ye)(ye)壓(ya)(ya)機(ji)的(de)兩(liang)(liang)個水平側缸(gang)同步對中運動(dong)擠壓(ya)(ya)管(guan)(guan)坯(pi)(pi),管(guan)(guan)坯(pi)(pi)受(shou)擠壓(ya)(ya)后體積(ji)變(bian)小(xiao),管(guan)(guan)坯(pi)(pi)內的(de)液(ye)(ye)(ye)體隨管(guan)(guan)坯(pi)(pi)體積(ji)變(bian)小(xiao)而(er)壓(ya)(ya)力升(sheng)高(gao),當達到不銹(xiu)鋼(gang)(gang)三(san)(san)(san)(san)通(tong)(tong)(tong)支(zhi)管(guan)(guan)脹出(chu)所(suo)(suo)需要的(de)壓(ya)(ya)力時,金屬(shu)材料在側缸(gang)和管(guan)(guan)坯(pi)(pi)內液(ye)(ye)(ye)體壓(ya)(ya)力的(de)雙(shuang)重作用(yong)(yong)(yong)下沿模具內腔流動(dong)而(er)脹出(chu)支(zhi)管(guan)(guan)。



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