Lipoleiti tsa tšepe ke motheo oa liindasteri tse se nang palo, ho tloha kahong le kahong ea likepe ho ea ho oli le khase, mechine e boima le lifofane. Poleiti e 'ngoe le e 'ngoe ea tšepe e etsoa ho ea ka limaraka tse itseng, ho netefatsa hore e fihlela maemo a hlokahalang a matla, ho tiea, ho hanyetsa mafome le ho tjheseletsa. Ho utloisisa limaraka tsa poleiti ea tšepe le litekanyetso tsa tsona tsa matla tse tsamaellanang ho bohlokoa bakeng sa baenjiniere, litsebi tsa theko, le bahlahisi ba hlokang ho khetha thepa e nepahetseng bakeng sa lits'ebetso tsa indasteri.
Sengoloa sena se fana ka tlhaloso e tebileng ea limaraka tsa poleiti ea tšepe, litekanyetso tse li hlalosang, le kamoo litekanyetso tsa matla li amang ts'ebetso makaleng a fapaneng.
Likereiti tsa Tšepe tsa Lipoleiti ke Eng
Mekhahlelo ea lipoleiti tsa tšepe ke lihlopha tse hlalosang litšobotsi tsa mechine le tsa lik'hemik'hale tsa lipoleiti tsa tšepe. Mekhahlelo ena hangata e thehoa ke mekhatlo ea maemo a machaba e kang ASTM, ASME, EN, DIN, JIS, le ISO. Mekhahlelo ka 'ngoe e totobatsa liparamente tsa bohlokoa, ho kenyeletsoa:
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Sebopeho sa lik'hemik'hale (liperesente tsa khabone, manganese, chromium, nickel, jj.)
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Thepa ea mechini (matla a ho tsikinyeha, matla a ho ikatisa, ho lelefala, ho thatafala)
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Boemo ba kalafo ea mocheso (e koetsoeng, e timisitsoeng le e halefisitsoeng, e tloaelehileng)
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Tokelo ea litekanyo le maemo a holim'a metsi
Mekhahlelo e sebetsa e le puo e akaretsang, e netefatsang hore bareki le bafepedi ba ka bolela hantle hore na ke mofuta ofe oa poleiti ea tšepe e hlokahalang bakeng sa projeke.
Lintlha tsa Bohlokoa Litekanyetsong tsa Matla a Lipoleiti tsa Tšepe
Litekanyetso tsa matla ke e 'ngoe ea likarolo tsa bohlokoa ka ho fetisisa tsa li-grade tsa poleiti ea tšepe. Li bontša bokhoni ba tšepe ba ho mamella khatello ntle le ho hloleha. Litekanyetso tse tloaelehileng tsa matla li kenyelletsa:
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Matla a tšepe:Tšepe e nang le khatello e phahameng ka ho fetisisa e ka mamella pele e robeha.
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Matla a Tlhahiso:Boemo ba khatello eo ho eona ho etsahalang phetoho ea kamehla.
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Ho lelefatsa:Bokgoni ba ho otloloha le bokgoni ba thepa pele e robeha.
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Khanyetso ea Tšusumetso:Ho tiea le bokhoni ba ho monya matla mochesong o fapaneng.
Ka ho sekaseka diparamente tsena, baenjiniere ba ka fumana hore na poleiti e itseng ya tshepe e loketse ditshebediso tsa sebopeho, tsa kgatello, tsa lewatle, kapa tsa mocheso o phahameng.
Maemo le Likereiti tsa Plate ea Tšepe e Tloaelehileng
Maemo a ASTM
Mokhatlo oa Amerika oa Teko le Lisebelisoa (ASTM) o fana ka tse ling tsa limaraka tsa poleiti ea tšepe tse sebelisoang haholo:
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ASTM A36:Poleiti ea tšepe e nang le khabone e tlase e nang le bokhoni bo botle ba ho tjheseletsa, e sebelisoang haholo kahong le boenjiniere bo akaretsang.
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ASTM A572:Poleiti ea alloy e nang le matla a phahameng (HSLA), e fanang ka karolelano e betere ea matla ho ea boima bakeng sa marokho le meaho e boima.
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ASTM A516:Tšepe ea boleng ba sejana sa khatello, e etselitsoeng liboiler le lisebelisoa tsa khatello.
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ASTM A514:Poleiti e timiloeng le e halefisitsoeng bakeng sa lits'ebetso tsa meaho tse matla haholo.
Maemo a EN le a DIN
Litekanyetso tsa Europe le Jeremane le tsona lia ananeloa haholo:
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EN 10025 S235, S275, S355:Lipoleiti tsa tšepe tsa mohaho tse nang le maemo a matla a ntseng a eketseha.
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EN 10028 P265, P355:Lipoleiti tsa tšepe tsa sejana sa khatello.
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DIN 17100 St37, St52:Mekhahlelo ea sebopeho e lekanang le maemo a EN.
Maemo a JIS
Maemo a Japane a kenyeletsa:
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JIS G3101 SS400:Poleiti ea tšepe ea sebopeho se akaretsang, e tšoanang le ASTM A36.
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JIS G3106 SM490:Tšepe ea mohaho e ka tjheseletsoang bakeng sa marokho, likepe le mehaho ea indasteri.
Litlhahlobo tsa Matla Litšebelisong tsa Liindasteri
Indasteri ea Kaho
Kahong, lipoleiti tsa tšepe li sebelisoa mabaleng, likholomong le matlafatsong. Mekhahlelo e kang ASTM A36 le EN S275 e tloaelehile ka lebaka la ho tjheseletsa ha tsona le matla a tsona a lekaneng. Bakeng sa mehaho e melelele le marokho, lipoleiti tse matla tse phahameng tse kang ASTM A572 kapa EN S355 lia khethoa.
Indasteri ea Oli le Khase
Lefapha la oli le khase le hloka lipoleiti tsa tšepe tse matla haholo le tse hanyetsanang le tikoloho e thata. Lipoleiti tsa likepe tsa khatello tse kang ASTM A516 le EN P355 li sebelisoa haholo bakeng sa litanka, liphaephe le liforomo tsa leoatleng.
Kaho ea Likepe le Likepe tsa Metsing
Lisebelisoa tsa metsing li hloka lipoleiti tse thata le tse hanyetsang mafome. Likereiti tse kang ABS EH36 kapa LR AH36 li sebelisoa hangata, ho netefatsa botšepehi ba sebopeho maemong a thata a leoatle.
Tlhahiso ea Matla
Liboiler, lijana tsa khatello, le li-reactor tsa nyutlelie li itšetlehile ka lipoleiti tsa tšepe tse hanelang mocheso le tse hanelang ho thekesela. Mefuta e kang ASTM A387 (tšepe ea chromium-molybdenum) e etselitsoe tšebeletso ea mocheso o phahameng.
Lifofane le Tšireletso
Matla a phahameng le thepa e bobebe lia hlokahala bakeng sa sefofane. Likereiti tse timiloeng le tse halefisitsoeng joalo ka ASTM A514 li fana ka matla a hlokahalang bakeng sa likoloi tsa tšireletso le likarolo tsa sefofane.
Kamoo Litekanyetso tsa Matla li Lekoang Kateng
Litekanyetso tsa matla a lipoleiti tsa tšepe li netefatsoa ka liteko tse matla, ho kenyeletsoa:
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Teko ea ho Tenyetseha:E khetholla matla a ho thapolla le ho tenyetseha.
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Teko ea Tšusumetso (Charpy V-Notch):E hlahloba ho tiea ha mocheso o tlase kapa o phahameng.
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Teko ea ho tiea:E lekanya ho hanyetsa ho fetoha ha bokaholimo.
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Teko ea Ultrasonic:E netefatsa hore lipoleiti ha li na liphoso tsa ka hare.
Liteko tsena li netefatsa ho latela maemo a machaba le ho netefatsa botšepehi ba thepa bakeng sa basebelisi ba ho qetela.
Melemo ea ho Khetha Sekala sa Poleiti ea Tšepe se Nepahetseng
Ho khetha poleiti ea tšepe e nepahetseng ho tlisa melemo e 'maloa:
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E netefatsa polokeho le botšepehi ba sebopeho sa lits'ebetso tsa indasteri.
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E ntlafatsa ts'ebetso tlas'a khatello e matla, khatello, kapa mocheso.
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E fokotsa litšenyehelo tsa tlhokomelo ka lebaka la ho tšoarella ho eketsehileng.
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E fana ka ho latela maemo le mangolo a tumello a indasteri.
Ka lehlakoreng le leng, khetho e fosahetseng ea lintlha e ka lebisa ho hloleheng pele ho nako, litšenyehelo tse eketsehileng, esita le likotsi tsa polokeho.
Ho Bapisa Matla a Phahameng le Matla a Tlase
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Lipoleiti tsa Matla a Tlase (mohlala, ASTM A36, S235):Ho bonolo ho tjheseletsa le ho etsa, ho theko e tlase, ho loketse kaho e akaretsang.
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Lipoleiti tse Matla a Phahameng (mohlala, ASTM A514, EN S690):Fana ka bokgoni bo phahameng ba ho jara mojaro, fokotsa boima ba meaho, mme di loketse ditshebediso tse boima.
Khetho e itšetlehile ka litlhoko tsa projeke, lintlha tsa litšenyehelo le maemo a tikoloho.
Karolo ea Kalafo ea Mocheso ho Litekanyetso tsa Matla
Kalafo ea mocheso e phetha karolo ea bohlokoa ho khetholleng ts'ebetso ea poleiti ea tšepe:
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Ho etsa hore lintho li be maemong a tloaelehileng:E ntlafatsa sebopeho sa thollo mme e ntlafatsa ho tiea.
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Ho tima le ho nolofatsa:E eketsa matla le ho thatafala ha e ntse e boloka ho ductility.
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Ho koahela:E ntlafatsa bokgoni ba ho sebetsa mme e fokotsa ho thatafala.
Bahlahisi ba khetha ka hloko mekhoa ea kalafo ea mocheso ho fihlela tekanyo e lakatsehang ea thepa.
Mekhoa ea Nakong e Tlang Litšebelisong tsa Lipoleiti tsa Tšepe
Tlhoko ea lipoleiti tsa tšepe tse sebetsang hantle e ntse e hola, e susumetsoa ke:
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Ntlafatso ea meralo ea motheo linaheng tse ntseng li hola.
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Merero ea eneji e nchafatsoang e hlokang thepa e tšoarellang.
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Lipoleiti tse bobebe le tse matla haholo bakeng sa lipalangoang le lifofane.
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Ho eketsa maemo a polokeho ho pholletsa le liindasteri.
Ka tsoelo-pele ea theknoloji ea tšepe, ho ntse ho ntlafatsoa limaraka tse ncha tse kopanyang matla a phahameng le khanyetso e ntlafalitsoeng ea mafome le ho bōpeha ha tsona habonolo.
Hobaneng o Fumana Lipoleiti tsa Tšepe ho tsoa ho sakysteel
Ha o kgetha dipoleiti tsa tshepe, ho tshepahala ha phepelo ho bohlokwa jwalo ka tshebetso ya botekgeniki.sakysteelE fana ka mefuta e mengata ea li-grade tsa poleiti ea tšepe, e khomarela ka tieo litekanyetso tsa ASTM, EN, DIN, le JIS. Ka lits'ebeletso tsa ho sebetsana le thepa tsa sejoale-joale, tlhahlobo ea boleng ba profeshenale, le liphutheloana tse loketseng ho romelloa kantle ho naha, bareki ba ka kholiseha ka boleng le kabo.
Ho tloha mererong e menyenyane ho isa ho likonteraka tse kholo tsa indasteri,sakysteele fana ka ts'ebetso e tsitsitseng le tšehetso ea ketane ea phepelo ea lefats'e ka bophara, e leng se etsang hore e be molekane ea tšepahalang bakeng sa lits'ebetso tsa indasteri lefatšeng ka bophara.
Qetello
Mekhahlelo ea lipoleiti tsa tšepe le litekanyetso tsa matla a tsona ke motheo oa indasteri ea sejoale-joale. Ho tloha kahong le matla ho ea kahong ea likepe le lifofaneng, ts'ebeliso e 'ngoe le e 'ngoe e hloka khetho e nepahetseng ea thepa ho netefatsa polokeho, ts'ebetso le katleho ea litšenyehelo.
Ka ho utloisisa lihlopha, thepa ea mechini, le mekhoa ea liteko tsa li-plate tsa tšepe, litsebi tsa theko le baenjiniere li ka etsa liqeto tse nang le tsebo tse lumellanang le litlhoko tsa bona tsa projeke. Ha liindasteri li ntse li tsoela pele ho fetoha, li-plate tsa tšepe tse sebetsang hantle li tla lula li le bohlokoa bakeng sa boqapi le tsoelo-pele.
Nako ea poso: Loetse-05-2025