Spiral e nang le pefo e halikiloeng ea li-arc tse halikiloeng bakeng sa indasteri ea sejoale-joale
Melemo ea spiral e betliloeng ea arc e tepelletseng
1. Kaho e sebetsang:
Lipipipi tsa SSAW li na le moralo o boima oa spiral o lumellang tlhahiso e lekaneng le ho fokotsoa nako ea ho etsa lintho. Tšobotsi ena e ikhethang e etsa khetho ea pele bakeng sa merero e kholo ea kaho e joalo ka oli leliphaephe tsa khase, litsamaiso tsa phetisetso ea metsing le litsamaiso tse chencha. Ts'ebetso e tsoelang pele e fokotsang ho tšepahala ho tšepahala, ho eketsa boipelaetso le ts'ebeletso ea ts'ebeletso ea phala.
Tloaelo | Sehlopha sa tšepe | Sebopeho sa lik'hemik'hale | Theko ea Teko | Teko ea maikutlo ea Charpy le Teko ea Boima | ||||||||||||||
C | Si | Mn | P | S | V | Nb | Ti | Cev4) (%) | RT0.5 MPA e fana ka matla | RM MPA Tense ea matla | RT0.5 / RM | (L0 = 5.65 √ s0) haloation a% | ||||||
Max | Max | Max | Max | Max | Max | Max | Max | Tse ling | Max | min | Max | min | Max | Max | min | |||
L245MB | 0.22 | 0.45 | 1.2 | 0.025 | 0.15 | 0.05 | 0.05 | 0.04 | 1) | 0.4 | 245 | 450 | 415 | 760 | 0.93 | 22 | Teko ea Charpy Contror: Kaho e monya matla a 'mele oa pampiri le Seam o tla lekoa ha ho hlokahala tekanyetso ea pele. Bakeng sa lintlha, bona maemo a pele. Qoba Teko ea Tefo ea Tefo: Sebaka sa Tlhaho | |
GB / T9711-2011 (PSL2) | L290MB | 0.22 | 0.45 | 1.3 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | 1) | 0.4 | 290 | 495 | 415 | 21 | |||
L320mb | 0.22 | 0.45 | 1.3 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | 1) | 0.41 | 320 | 500 | 430 | 21 | ||||
L360MB | 0.22 | 0.45 | 1.4 | 0.025 | 0.015 | 1) | 0.41 | 360 | 530 | 460 | 20 | |||||||
L390MB | 0.22 | 0.45 | 1.4 | 0.025 | 0.15 | 1) | 0.41 | 390 | 545 | 490 | 20 | |||||||
L415MB | 0.12 | 0.45 | 1.6 | 0.025 | 0.015 | 1) 2) 3 | 0.42 | 415 | 565 | 520 | 18 | |||||||
L450MBMB | 0.12 | 0.45 | 1.6 | 0.025 | 0.015 | 1) 2) 3 | 0.43 | 450 | 600 | 535 | 18 | |||||||
L485MB | 0.12 | 0.45 | 1.7 | 0.025 | 0.015 | 1) 2) 3 | 0.43 | 485 | 635 | 570 | 18 | |||||||
L555MB | 0.12 | 0.45 | 1.85 | 0.025 | 0.015 | 1) 2) 3 | Puisano | 555 | 705 | 625 | 825 | 0.95 | 18 |
2. Matla a monate le ho fetoha le maemo:
'Mino oa Spiral oa pipi ea Ssaw pipi e eketsa matla a eona, e e lumella ho hanela likhatello tsa ka ntle le tsa ka ntle. Li-lipepe tsena li khona ho mamella maemo a leholimo a litšila a sa tšoaeeng hantle, a etsa hore a lokele ka holimo le ka tlase ho lits'ebetso tsa fatše. Ho feta moo, maemo a teroro a ba lumella ho atisoa habonolo mme a kenngoa libakeng tse fapaneng, ho kenyelletsa le mobu o boima le mobu o sa tsitsang.
3. Tharollo e sebetsang ea theko:
Mekhoa e tsoelang pele e tsoelang pele e eketsa tlhahiso ha e ntse e fokotsa litsie le litšenyehelo. Ntle le moo, lipehelo tse betliloeng tsa Arc tse halikiloeng li fana ka matla a phahametseng le ho tšoarella, ho fokotsa litšenyehelo tsa bona tsa ho lokisa, ho li etsa khetho ea moruo bakeng sa indasteri.

Mathata a tobaneng le li-spiral tse thibetsoeng tsa Arc tse peli tsa Arc tse Tebileng:
1. Taolo ea boleng:
Ka lebaka la lits'ebetso tse rarahaneng tse kenyelletsang ho hlahisa lipeipi tse nang le litsi tse nang le li-arc tse halikiloeng, li bolela boleng bo thata ke phephetso. Haeba lipampitšana tse sa laoloang ha li laoloe ka nepo, litsila tse ngata tse kang likaroloana le litsong, poranteng le ho senyeha ha fumo li tla etsahala. Ho hlola phephetso ena, mehato ea taolo ea boleng bo thata le ho tsamaisana le sebaka se hatellang pele nakong ea ts'ebetso ea lihlahisoa e bohlokoa.
2. Mefuta ea Diameter ea PIETE:
Ha li-pipes tse betliloeng tsa spiral tsa Arc li loketse likopo tse kholo, li kanna tsa se ke tsa tšoaneleha li indasteri e hlokang boholo ba phaene. Ts'ebetso ea tlhahiso e sebetsa hantle haholo bakeng sa lipeipi tse kholo tsa poli, e le hore ho fumanoe merero e nyane bakeng sa merero e mebe e kang popi e nyane ea indasteri le indasteri. Bakeng sa litlhokahalo tse joalo, Mahlohla a fapaneng a Pepe a ho fana ka liphallelo a lokela ho hlahlojoa.
3. Bokaholimo bo koahelang:
Phephetso e 'ngoe e tobaneng le indasteri ea Ssaw ea lipeipi e bontša makhapetla a loketseng le a tšoarellang hore a sireletse khahlanong le koetliso le ho roala. Ho etsa kopo ea ho roala libakeng tsa lefutso ho hloka lisebelisoa tse tsoetseng pele le boiphihlelo ho netefatsa le ho hlakoloa. Ho kenella hantle ka hare ho bohlokoa ho fetisa Bophelo ba litšebeletso tsa Spiral Wipight Arc Welperged PIPP e nang le matla a spiral e nang le li-arc tse halikiloeng, haholo-holo maemong a thata.
Ha re phethela:
Peiral e nang le spiral e nang le pefo e nang le mokhoa o netefalitsoeng haholo indastering e ntle haholo ea indasteri ea sejoale-joale, e fana ka katleho, matla le boikitlaetso. Seam ea eona e ikhethang ea Spiral Weld e tla etsa tlhahiso e lekaneng le ho hloka botsitso ho hoholo, ho e etsa merero e meholo ea kaho. Leha ho le joalo, bakeng sa katleho e ileng ea tsoela pele le ho amohela mahlale ana a ho etsa mathata a tlhahiso, mathata a kang ho laola boleng, bophahamo ba bophahamo, le makhapetla a mangata a hloka hore a sebelisoe. Ka ho hlola mathata ana ka tšebeliso ea mahlale a mahlale, setsebi sa Spal o ile a sebelisana se atlehileng sa ho fetola le ho boloka maemo a thata ho feta lefatše.