Pipe ea tšepe e nang le li-welds e ajoa ka spiral e amanang le axis ea 'mele oa phala. Haholo-holo e sebelisoa e le liphaephe tsa lipalangoang, liphaephe tsa liphaephe, le liphaephe tse ling tsa meralo. Litlhaloso tsa sehlahisoa: bophara ba ka ntle 300 ~ 3660mm, botenya ba lerako 3.2 ~ 25.4mm.
Litšobotsi tsa tlhahiso ea lipeipi tse cheselitsoeng ka spiral ke:
(1) Liphaephe tse nang le bophara bo fapaneng ba ka ntle li ka hlahisoa ho tloha marapeng a bophara bo lekanang;
(2) Pipe e na le ho otloloha hantle le litekanyo tse nepahetseng. Li-welds tsa ka hare le tsa ka ntle li eketsa ho tiea ha 'mele oa liphaephe, kahoo ha ho hlokahale hore ho be le mekhoa ea ho etsa boholo le ho otlolla ka mor'a ho tjheseletsa;
(3) Ho bonolo ho lemoha mochini, othomathike, le tlhahiso e tsoelang pele;
(4) Ha e bapisoa le thepa e 'ngoe ea sekala se tšoanang, e na le litekanyo tse nyane, ha e na sebaka sa ho lula fatše le matsete, 'me e potlakile ho e haha;
(5) Ha ho bapisoa le liphaephe tse otlolohileng tsa seam tse tjheselitsoeng tsa boholo bo lekanang, seam sa weld ka bolelele ba yuniti e telele, kahoo tlhahiso e tlase.

Ts'ebetso ea tlhahiso ea phallo ea spiral welded pipe:
Lisebelisoa tsa liphaephe tse cheselitsoeng ka spiral li kenyelletsa likhoele le lipoleiti. Letlapa le sebelisoa ha botenya bo le ka holimo ho 19mm. Ha u sebelisa li-strip, ho netefatsa phepelo e tsoelang pele ea thepa nakong ea ho tjheseletsa butt ea li-coil tse ka pele le tse ka morao, ho ka sebelisoa sesebelisoa sa looper, kapa ho ka sebelisoa trolley ea fly welding bakeng sa khokahano ea welding butt. Ts'ebetso eohle ea ho lokisoa ho tloha ha ho koaheloa ho isa ho butt welding e ka etsoa haufi le pina holim'a trolley ea fly welding. E phethiloe nakong ea ho falla. Ha mohatla oa tšepe e ka pele e ts'oaroa ke letlapa le ka morao la mochini oa tjheseletsa oa butt, trolley e huleloa pele ka lebelo le ts'oanang le mochini oa ho etsa le oa ho tjheseletsa pele. Ka mor'a hore ho tjheseletsa butt ho phethoe, seqhobane se ka morao sea lokolloa 'me trolley e khutlela ka boeona. ho ya boemong ba pele. Ha u sebelisa lipoleiti, lipoleiti tse le 'ngoe tsa tšepe li hloka ho kenngoa butt-welded hore e be marapo ka ntle ho mohala oa ts'ebetso, ebe li romelloa moleng oa ts'ebetso ea ts'ebetso hore li be le butt-welded le ho kopanngoa le koloi e fofang. Ho tjheseletsa butt ho etsoa ho sebelisoa welding ea arc e kenelletseng ka metsing, e etsoang kahare ho phala. Libaka tse sa keneng li thehoa 'me li entsoe pele, ebe li lokisoa ka holim'a phala e ka ntle, ebe li-welds tsa spiral li kenngoa ka hare le ka ntle. Pele lesela le kena mochining oa ho etsa, moeli oa sekhahla o tlameha ho kobeha pele ho kobeha e itseng ho latela bophara ba phala, botenya ba lerako, le ho theha angle, e le hore ho kobeha ha sekhahla sa moeli le karolo e bohareng kamora ho theha. e tsamaellanang le ho thibela sekoli sa "bamboo" sa libaka tse hlahelletseng tsa weld. Ka mor'a ho kobeha pele, e kena ka pele ho spiral bakeng sa ho theha (sheba spiral forming) le pre-welding. Ho ntlafatsa tlhahiso, mohala oa ho theha le oa pele oa welding o atisa ho sebelisoa ho bapisa mela e mengata ea ka hare le ea ka ntle. Sena se ke ke sa ntlafatsa boleng ba li-welds feela empa se ka eketsa tlhahiso haholo. Ho tjheseletsa pele ho tjheseletsa hangata ho sebedisa tjheseletsa ya kgase e sireleditsweng kapa tjheseletsa ya maqhubu a phahameng haholo ka lebelo le potlakileng la welding, le welding e bolelele bo felletseng. Welding ena e sebelisa li-automatic arc welding tse nang le lipalo tse ngata.

Tataiso e kholo ea nts'etsopele ea tlhahiso ea liphaephe tse cheselitsoeng ka moea ke hobane khatello ea liphaephe e ntse e eketseha letsatsi le letsatsi, maemo a ts'ebeliso a ntse a mpefala le ho feta, mme bophelo ba ts'ebeletso ea liphaephe bo tlameha ho atolosoa ka hohle kamoo ho ka khonehang, kahoo tataiso ea mantlha ea nts'etsopele ea spiral welded pipes ke:
(1) Hlahisa liphaephe tse nang le marako a maholo a bophara bo boholo ho ntlafatsa ho hanyetsa khatello;
(2) Rala le ho hlahisa lipeipi tse ncha tsa tšepe tse entsoeng ka tšepe, tse kang liphaephe tse cheselitsoeng ka mekhahlelo e 'meli, tse cheselitsoeng ho ba liphaephe tse nang le mekhahlelo e 'meli tse nang le litšepe tse halofo ea botenya ba lebota la liphaephe. Hase feela hore matla a bona a phahame ho feta liphaephe tse nang le sekhahla se le seng sa botenya bo tšoanang, empa li ke ke tsa baka tšenyo e senyang;
(3) Theha mefuta e mecha ea tšepe, ho ntlafatsa boemo ba botekgeniki ba lits'ebetso tsa ho qhibilihisa, le ho amohela mekhoa e mengata e laoloang le ea morao-rao ea mocheso oa litšila ho tsoela pele ho ntlafatsa matla, boima le ts'ebetso ea tjheseletsa ea 'mele oa liphaephe;
(4) Etsa liphaephe tse koahetsoeng ka matla. Ka mohlala, ho roala lerako le ka hare la phala ka lera le khahlanong le kutu ho ke ke ha lelefatsa bophelo ba tšebeletso feela, empa hape ho ntlafatsa boreleli ba lerako le ka hare, ho fokotsa ho hanyetsa ha mokelikeli, ho fokotsa boka ba boka le ho bokella litšila, ho fokotsa palo ea phala. ho hloekisa linako, le ho fokotsa tlhokomelo.