Mapaipi a HSAW

HSAW mapaipi (ozungulira kumizidwa arc welded chitoliro), ndi mabe wa otentha adagulung'undisa Mzere zitsulo ndi kupinda anapanga malinga ozungulira, basi kumizidwa arc kuwotcherera kuchitidwa mkati mwa msoko ndi msoko welded ozungulira msoko zitsulo chitoliro (wotchedwanso ozungulira welded chitoliro). , chitoliro chozungulira, chitoliro chachitsulo chozungulira).Pazifukwa zotsatirazi, chimagwiritsidwa ntchito kupanga lalikulu m'mimba mwake zitsulo chitoliro:
1) kusintha mawonekedwe ngodya, mungagwiritse ntchito chimodzimodzi m'lifupi Mzere kupanga zosiyanasiyana calibres zitsulo chitoliro;
2) chifukwa ndi kupindika kosalekeza, kutalika kwa chitoliro chachitsulo kutalika kwake kulibe malire;
3) weld kozungulira woboola pakati yunifolomu kugawa pa circumference wa chitoliro lonse zitsulo, zitsulo chitoliro kukula, mwatsatanetsatane mkulu, mkulu mwamphamvu;
4) zosavuta kusintha kukula oyenera zochulukirachulukira zitsulo chitoliro kupanga mitundu yambiri.

Spiral weld seam molunjika chubu kutalika, chubu kutalika L, weld kutalika ndi L / cos (8).Kwa nthawi yayitali kutsutsana pa chitoliro chozungulira komanso chowongoka cha msoko, makamaka, yemwe ali wamkulu poyerekeza ndi chitoliro chachitsulo cha UOE.Spiral chitoliro kupanga luso mpaka lero, tiyenera mabuku ndi zolondola kuwunika ndi kuyerekeza, lingaliro la "atali ozungulira kuwotcherera".

Choyamba, chifukwa cha zolakwika mu weld kufanana, kwa chitoliro chozungulira, zolakwika za weld zimakhala ngati "oblique defects".Panthawi yogwiritsira ntchito, kupanikizika kwakukulu kwa chitoliro chachitsulo, chitoliro cha chitoliro chofanana ndi kutalika kwake ndi samll kuposa chitoliro chowongoka chochepa;Kachiwiri, popeza zitsulo payipi ndi adagulung'undisa mbale, zimakhudza kulimba anisotropy lalikulu pamodzi akugubuduza malangizo CVN mtengo kuposa perpendicular kugubuduza malangizo a mtengo CVN katatu apamwamba.Woongoka msoko chitoliro anavutika ndi kupsyinjika waukulu ndendende perpendicular kwa malangizo otsikitsitsa chitoliro mmene kukana chitoliro, pamene ozungulira ndi kuzembera m'munsi mu malangizo a chitoliro mmene kukana kukana, kotero kuti ozungulira kuwotcherera kuipa mu ubwino.


Nthawi yotumiza: Jul-10-2023