Kusiyana pakati pa kuwotcherera arc kumizidwa kawiri (dsaw) ndi kusiyana kwakukulu kwafupipafupi (hfw) kumawonekera makamaka pamawonekedwe a weld, chitoliro chachitsulo chomizidwa pawiri chokhala ndi kachingwe kakang'ono, makamaka mkati mwachitsulo.Chitoliro chowotcherera chowongoka chomizidwa ndi arc ndichokwera kwambiri kuposa choyambira chaukhondo cha 1-3mm.Maonekedwe pafupipafupi zitsulo chubu yosalala, sanali okusayidi adhesion.Mu weld, high-frequency molunjika msoko chitsulo chitoliro kuwotcherera mkulu muyeso kufinya kukana kutuluka, yokhotakhota serrate osasamba kuwotcherera, chowotcherera ichi ndi "zikanda" asanatuluke, kusiya lathyathyathya kuwotcherera kuchotsedwa kwa kufufuza.

Komanso, mbali ziwiri kumizidwa arc kuwotcherera ndi mkulu pafupipafupi kusiyana zimaonekeranso mu ndondomeko kupanga, ntchito zipangizo zosiyanasiyana zopangira, osiyana akamaumba ndondomeko, ndondomeko kuwotcherera ndi wosiyana mayunitsi kupanga osiyanasiyana, kupanga kukula osiyanasiyana.M'mbali mwake arc kuwotcherera molunjika msoko kupanga chitsulo kokha ndi JCOE akamaumba ndondomeko akamaumba zovuta, kupanga dzuwa poyerekeza otsika pafupipafupi welded chitoliro, kotero kupanga mtengo ndi apamwamba kuposa mkulu-pafupipafupi msoko wowotcherera zitsulo chitoliro.High-Friquency molunjika wowongoka welded steel pipe (ERW) njira yopanga ndi yosavuta, ndondomeko imodzi.Njira ziwiri zomizidwa ndi arc zowongoka zachitsulo zopanga chitoliro ndi mawonekedwe ozizira a JCOE, zomwe zimapanga chitsulo pa 50mm kupanga pang'onopang'ono, J, C, O, E chikuyimira chithunzi cha chitsulo chowongoka chomira pansi pa arc kupanga.Pafupipafupi molunjika msoko zitsulo chitoliro kupanga ndondomeko Mipikisano chiphaso masikono, Finyani malekezero onse a Mzere, ndipo potsiriza wolungamitsidwa Mzere ozizira akamaumba ndondomeko, akamaumba ndondomeko amakhala ndi mosadodometsedwa, mosalekeza kuwotcherera.Njira yowotcherera ya arc imadziwika ndi kugwiritsa ntchito waya wachitsulo wamagetsi ndikusungunuka palimodzi, ngati kuwotcherera kwa filler.Pafupipafupi molunjika msoko zitsulo chitoliro kuwotcherera ndondomeko amakhala ndi ntchito mkulu pafupipafupi panopa khungu zotsatira mofulumira kutentha Mzere umatha mu nthawi yochepa pansi pa zochita za kunja mphamvu Mzere kusungunuka pamodzi.Chitoliro chowongoka chowongoka chowongoka cha mizere yofananira yogwira ntchito mosadukiza, ndikuwotcherera arc yowotcherera mowongoka zitsulo zimakhala ndi njira 15 zophatikizika zopangira zida zonse.Kuchulukirachulukira kowongoka kwachitsulo chopanga chitoliro kumachulukirachulukira.