不銹鋼三(san)(san)通(tong)有等徑三(san)(san)通(tong)和(he)異徑三(san)(san)通(tong)之(zhi)分,等徑三(san)(san)通(tong)的(de)(de)接管(guan)(guan)端部均(jun)為相(xiang)同(tong)的(de)(de)尺寸;異徑的(de)(de)三(san)(san)通(tong)的(de)(de)主管(guan)(guan)接管(guan)(guan)尺寸相(xiang)同(tong),而支管(guan)(guan)的(de)(de)接管(guan)(guan)尺寸小于主管(guan)(guan)的(de)(de)接管(guan)(guan)尺寸。
不(bu)銹鋼(gang)三通為(wei)管(guan)件、管(guan)道(dao)(dao)連接件,用在(zai)主管(guan)道(dao)(dao)要分支管(guan)處。
不銹(xiu)鋼(gang)三(san)通(tong)(tong)是用(yong)(yong)于管(guan)(guan)(guan)道(dao)分(fen)支(zhi)處的(de)(de)一(yi)種管(guan)(guan)(guan)件。對(dui)于采(cai)(cai)用(yong)(yong)無縫管(guan)(guan)(guan)制造三(san)通(tong)(tong)來講(jiang),通(tong)(tong)常所采(cai)(cai)用(yong)(yong)的(de)(de)工藝有液(ye)(ye)壓脹(zhang)(zhang)形(xing)和熱壓成(cheng)形(xing)兩種。不銹(xiu)鋼(gang)三(san)通(tong)(tong)的(de)(de)液(ye)(ye)壓脹(zhang)(zhang)形(xing)是通(tong)(tong)過金屬材料(liao)(liao)的(de)(de)軸(zhou)向補償脹(zhang)(zhang)出(chu)(chu)支(zhi)管(guan)(guan)(guan)的(de)(de)一(yi)種成(cheng)形(xing)工藝。其過程是采(cai)(cai)用(yong)(yong)一(yi)對(dui)一(yi)液(ye)(ye)壓機,將與三(san)通(tong)(tong)直徑(jing)相等的(de)(de)管(guan)(guan)(guan)坯(pi)(pi)內(nei)(nei)注入液(ye)(ye)體,通(tong)(tong)過液(ye)(ye)壓機的(de)(de)兩個水平(ping)側(ce)缸(gang)同步(bu)對(dui)中運(yun)動擠(ji)壓管(guan)(guan)(guan)坯(pi)(pi),管(guan)(guan)(guan)坯(pi)(pi)受擠(ji)壓后體積(ji)變小,管(guan)(guan)(guan)坯(pi)(pi)內(nei)(nei)的(de)(de)液(ye)(ye)體隨管(guan)(guan)(guan)坯(pi)(pi)體積(ji)變小而壓力(li)升高,當達到不銹(xiu)鋼(gang)三(san)通(tong)(tong)支(zhi)管(guan)(guan)(guan)脹(zhang)(zhang)出(chu)(chu)所需要(yao)的(de)(de)壓力(li)時,金屬材料(liao)(liao)在側(ce)缸(gang)和管(guan)(guan)(guan)坯(pi)(pi)內(nei)(nei)液(ye)(ye)體壓力(li)的(de)(de)雙重作用(yong)(yong)下沿模具(ju)內(nei)(nei)腔流動而脹(zhang)(zhang)出(chu)(chu)支(zhi)管(guan)(guan)(guan)。
不銹(xiu)鋼(gang)(gang)三通的(de)液壓脹形工藝可一次成形,生產效率較高(gao);不銹(xiu)鋼(gang)(gang)三通的(de)主管(guan)及肩部壁厚(hou)均有增加。