Liphaephe tse cheselitsoeng
Tlhaloso ea Lihlahisoa
Liphaephe tse cheselitsoeng, tse tsejoang hape e le liphaephe tsa tšepe tse cheselitsoeng, li entsoe ka lipoleiti tsa tšepe tse theolelang kapa li-strip hore li be le sebopeho sa tubular ebe li cheselletsa manonyeletso. Hammoho le liphaephe tse se nang moeli, ke e 'ngoe ea lihlopha tse peli tse ka sehloohong tsa lipeipi tsa tšepe. Likarolo tsa bona tsa mantlha ke tlhahiso e bonolo, theko e tlase, le mefuta e mengata e fapaneng ea litlhaloso.
I. Core Classification: Classification by Welding Process
Mekhoa e fapaneng ea ho tjheseletsa e etsa qeto ea ts'ebetso ea liphaephe tse cheselitsoeng. Ho na le mefuta e meraro ea mantlha:
• Longitudinal Welded Pipe (RW): Ka mor'a ho pitikisa tšepe ka har'a karolo e chitja kapa e lisekoere, moroko o tšeloa ka bolelele (bolelele) ho bapa le tšupu. Sena se fana ka katleho e phahameng ea tlhahiso le theko e tlaase, e leng se etsang hore e tšoanelehe bakeng sa lipalangoang tse nang le khatello e tlaase (joaloka metsi le khase) le mekhoa ea ts'ehetso ea meralo. Litlhaloso tse tloaelehileng li kenyelletsa li-diameter tse nyane le tse mahareng (ka tloaelo ≤630mm).
• Spiral Welded Pipe (SSAW): Lesela la tšepe le phuthoa ka tsela ea helical 'me seam se ts'oaroa ka nako e le' ngoe, ho etsa hore ho be le spiral weld. The weld seam e hatelloa ka ho lekana, e fana ka matla a holimo le ho kobeha ha ho bapisoa le phala e otlolohileng ea seam welded. Sena se lumella tlhahiso ea liphaephe tsa bophara bo boholo (ho fihla ho 3,000mm ka bophara) 'me e sebelisoa haholo-holo bakeng sa lipalangoang tsa metsi a khatello e phahameng (joaloka liphaephe tsa oli le khase ea tlhaho) le lipeipi tsa metsi tsa masepala.
• Peipi e cheselitsoeng ka tšepe e sa hloekang: E entsoe ka letlapa la tšepe e sa hloekang, e cheselitsoeng ho sebelisoa mekhoa e kang TIG (tungsten inert gas arc welding) le MIG (metal metal arc welding). E na le ho bola le ho hanyetsa mocheso o phahameng oa tšepe e sa hloekang 'me e loketse lisebelisoa tse hlokang lisebelisoa tsa boleng bo holimo, tse kang ho lokisa lijo, lik'hemik'hale le lisebelisoa tsa bongaka. E atisa ho sebelisoa liphaepheng tse nepahetseng tse nyenyane le tse bohareng.
II. Melemo e ka Sehloohong
1. Theko e tlaase le Tlhahiso e Phahameng: Ha e bapisoa le pipe e se nang moeli (e hlokang mekhoa e rarahaneng e kang ho phunya le ho roala), pipe e nang le welded e fana ka tšebeliso e phahameng ea thepa e tala le ts'ebetso e khutšoanyane ea tlhahiso. Litšenyehelo hangata li tlase ho 20% -50% bakeng sa litlhaloso tse tšoanang. Ho feta moo, e ka hlahisoa ka lihlopha le ho tsoela pele ho fihlela tlhokahalo e kholo.
2. Litlhaloso Tse Fetohang: Liphaephe tse nang le bophara bo sa tšoaneng (ho tloha ho limilimithara tse seng kae ho ea ho tse ’maloa), botenya ba lebota, le likaroloana tse tšekaletseng (tse chitja, tse sekoere, le tse khutlonnetsepa) li ka hlahisoa ha ho hlokahala ho khotsofatsa litlhoko tsa botho tsa likopo tse fapaneng, ho kopanyelletsa le kaho le indasteri.
3. Ts'ebetso e Bonolo: Lintho tse sa tšoaneng le li-welds tse tsitsitseng li nolofalletsa ho itšeha, ho phunya, ho kobeha, le ts'ebetso e meng ea ts'ebetso, ho netefatsa ho kenngoa ha bonolo.
III. Libaka tsa Kopo tse ka Sehloohong
• Indasteri ea Kaho: E sebelisoa phepelong ea metsi le liphaepheng tsa ho ntša metsi, lipeipi tse sireletsang mollo, litšepe tsa sebopeho sa litšepe (tse kang scaffolding le likharetene tsa mabota), liforeimi tsa mamati le lifensetere (lipeipi tse cheselitsoeng tse khutlonnetsepa), joalo-joalo.
• Lekala la Liindasteri: E sebelisoa e le lipeipi tsa ho tsamaisa metsi a nang le khatello e tlase (metsi, moea o hatelitsoeng, mouoane), liphaephe tse tšehetsang lisebelisoa, lipeipi tsa tšireletso, joalo-joalo; liphaephe tse cheselitsoeng ka bophara bo boholo ba spiral li sebelisoa liphaepheng tsa oli le khase ea tlhaho tse hole.
• Lekala la Masepala: E sebelisoa liphaepheng tsa ho ntša metsi teropong, marang-rang a lipeipi tsa khase (khatello e mahareng le e tlase), lipalo tsa mabone a literata, litselana tsa ho lebela sephethephethe, joalo-joalo.
• Bophelo ba Letsatsi le Letsatsi: Liphaephe tse nyenyane tse cheselitsoeng (tse kang lipeipi tsa tšepe e sa hloekang) li sebelisoa masakaneng a thepa ea ka tlung le liphaepheng tsa kichineng (tse kang liphaephe tsa ho ntša metsi a mangata).
Pontšo ea Sehlahisoa
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