Boenjiniere le tlhahiso, matla ke ntlha ea bohlokoa. Ebang ke crankshaft enjeneng ea likoloi kapa phini e nang le meroalo e mengata ea thepa ea kaho, matla a ho tiea a lekanya hore na thepa e ka jara boima bo bokae pele e robeha. Har'a litšepe tse ngata tsa alloy tse fumanehang,4140 tšepe ea motsoakoe tumme ka ho leka-lekana ha eona ka mokhoa o tsotehang oa matla a ho tsitsa, ho ba thata le ho sebetsa ka thata.
Empa tšepe ea alloy ea 4140 e matla hakae-ruri? Sehloohong sena,sakysteele ikakhela ka setotsoana mefuteng e tsitsitseng ea 4140, e hlahloba hore na ke eng e etsang hore e be thepa e ka tšeptjoang mabapi le lits'ebetso tsa meralo le tsa mochini.
4140 Alloy Steel ke eng?
4140 ke atšepe e tlaase ea chromium-molybdenume tsebahalang ka matla a eona a phahameng a ho tsikitlanya le ho hanyetsa mokhathala o motle. E sebelisoa haholo ho etsa thepa, ho etsa machining, ho etsa lisebelisoa le likarolo tse boima.
Motsoako oa bohlokoa oa lik'hemik'hale oa 4140 o kenyelletsa:
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Khabone:0.38% - 0.43%
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Chromium:0.80% - 1.10%
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Molybdenum:0.15% - 0.25%
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Manganese:0.75% - 1.00%
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Silikone:0.15% - 0.35%
Lintho tsena tse kopantsoeng li matlafatsa ho thatafala le matla, li etsa hore 4140 e be e 'ngoe ea litšepe tse ka tšeptjoang ka ho fetisisa bakeng sa tšebeliso ea meralo.
Ho utloisisa Matla a Tensile
Matla a tšepee bua ka boholo ba khatello ea kelello (ho hula kapa ho otlolla) ntho e ka mamellang pele e hlōleha. Hangata e lekantsoe kamegapascals (MPa) or liponto ka inch square (psi). Matla a phahameng a matla a bolela hore thepa e ka mamella matla a maholo pele a holofala kapa a robeha.
Matla a Tensile a 4140 Alloy Steel
Matla a matla a tšepe ea 4140 a itšetlehile haholo ka boemo ba eona ba phekolo ea mocheso:
1. Annealed Condition
Boemong ba eona bo bonolo ka ho fetesisa (ho kenyelelitsoe), tšepe ea 4140 hangata e fana ka:
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Matla a tšepe:655 - 850 MPa
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Kotulo e Matla:415 - 620 MPa
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Ho thatafala:~ 197 HB
2. Boemo bo tloaelehileng
Kamora ho tloaeleha, sebopeho sa tšepe se fetoha se ts'oanang, se ntlafatsa thepa ea mochini:
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Matla a tšepe:850 - 1000 MPa
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Kotulo e Matla:650 - 800 MPa
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Ho thatafala:~ 220 HB
3. Quenched and Tempered (Q&T)
Ena ke boemo bo atileng haholo bakeng sa lits'ebetso tse sebetsang hantle haholo:
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Matla a tšepe:1050 - 1250 MPa
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Kotulo e Matla:850 - 1100 MPa
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Ho thatafala:28 - 36 HRC
At sakysteel, rea fana4140 tšepe ea motsoakomaemong a fapaneng a phekotsoeng mocheso, e ntlafalitsoeng ho tsamaisana le litlhoko tse ikhethang tsa matla bakeng sa liindasteri tse fapaneng.
Hobaneng ha Matla a Tensile a 4140 a le Hakaale?
Lintlha tsa bohlokoa tse entseng hore ho be le matla a phahameng a 4140 a kenyelletsa:
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Litaba tsa Chromium:E eketsa boima le ho hanyetsa ho apara
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Molybdenum:E ntlafatsa matla ka mocheso o phahameng le ho matlafatsa boima ba 'mele
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Ho Fetola Phekolo ea Mocheso:Tailor microstructure ho tsamaisana le matla le boima bo lakatsehang
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Boemo ba Carbon bo leka-lekaneng:E fana ka motsoako o motle oa matla le ductility
Litšobotsi tsena li lumella 4140 ho feta litšepe tse ngata tsa carbon esita le lisebelisoa tse ling ha ho tluoa tabeng ea matla a thata tlas'a mojaro.
4140 e Bapisa Joang le Litšepe Tse Ling?
4140 vs 1045 Carbon Steel
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1045 ke tšepe ea khabone e mahareng e nang le matla a tsitsitseng ho pota 570 - 800 MPa.
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4140 e fana ka 30% ho 50% matla a eketsehileng, haholo ha e phekoloa mocheso.
4140 vs 4340 Tšepe
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4340 e kenyelletsa nickel, e matlafatsang ho tiea le ho hanyetsa mokhathala.
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Le ha 4340 e ka fana ka boima bo phahameng hanyane, 4140 e na le chelete e ngata ka ts'ebetso e ts'oanang ea tsitsipano.
4140 vs Stainless Steel (mohlala, 304, 316)
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Litšepe tse sa hloekang tsa Austenitic li fana ka khanyetso ea kutu empa matla a tlase a tlase (hangata ~ 500 - 750 MPa).
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4140 e batla e le matla habeli empa e tlameha ho sireletsoa khahlano le kutu maemong a mabifi.
Lisebelisoa tse itšetlehileng ka 4140's Tensile Strength
Ka lebaka la matla a eona a holimo, 4140 e sebelisoa haholo likarolong tse mamellang meroalo e boima kapa matla a matla. Lisebelisoa tse tloaelehileng li kenyelletsa:
Tsa makoloi
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Khanna li-shafts
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Li-crankshafts
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Likarolo tsa ho emisa
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Likheo tsa li-gear
Oli le Khase
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Kola melala
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Lisebelisoa tsa lisebelisoa
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Mele ea li-valve
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Lisebelisoa tsa Hydraulic
Sepakapaka
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Likarolo tsa lisebelisoa tsa ho lulisa
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Li-brackets tsa tšehetso ea enjene
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Likamano tse nepahetseng
Tool & Shoa
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Litebele le ho shoa
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Lisebelisoa tsa lisebelisoa
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Lisebelisoa tsa ho etsa
Bokhoni ba ho mamella meroalo e tsitsitseng le ea cyclic e etsa4140motheo oa likarolo tse ngata tsa bohlokoa indastering ea lefats'e.
Lintlha tse Susumetsang Matla a Tensile Boitloaetsong
Matla a theoretical tensile ea 4140 a ka fapana lits'ebetsong tsa 'nete tsa lefats'e ho ipapisitse le:
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Boholo ba karolo:Likarolo tse kholo li ka pholile butle nakong ea kalafo ea mocheso, tsa fokotsa boima.
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Qetello ea bokaholimo:Lithako tse thata li ka sebetsa joalo ka liphahamiso tsa khatello ea maikutlo.
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Ts'ebetso ea mochini:Ho sebetsa ka mokhoa o sa nepahalang ho ka baka khatello ea maikutlo.
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Taolo ea kalafo ea mocheso:Mocheso o nepahetseng oa ho tima le ho futhumatsa o ama matla a ho qetela.
At sakysteel, re sebelisa taolo e thata ea boleng nakong ea phekolo ea mocheso le mechine ho etsa bonnete ba hore thepa e nepahetseng le e tsitsitseng ea ho tsitsisa lihlahisoa tsohle tsa rona tsa 4140 alloy steel.
Teko le Setifikeiti
Matla a thata a atisa ho lekanyetsoa ka ho sebelisa amochini oa tlhahlobo oa bokahohle (UTM)ho latela litekanyetso tsa ASTM kapa ISO. Mohlala oa tšepe o otlolohile ho fihlela o robeha, 'me liphello li ngotsoe.
TsohlesakysteelLisebelisoa tsa tšepe tsa 4140 li ka fanoa ka:
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Setifikeiti sa EN 10204 3.1
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Litlaleho tsa liteko tsa mochini
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Lintlha tsa sebopeho sa lik'hemik'hale
Sena se netefatsa ponaletso e felletseng le ho tsamaellana le litloaelo tsa indasteri.
Mehopolo ea ho Qetela
4140 tšepe ea motsoakoke e 'ngoe ea litšepe tse feto-fetohang le tse matla tse fumanehang' marakeng oa lefatše. Ka matla a matla a fetang 1000 MPa maemong a phekoloang, e kopana le litlhoko tse hlokahalang tsa mekhoa ea meralo, ea mechine le ea lisebelisoa.
Ha matla, ho tšoarella, le ts'ebetso li bohlokoa haholo,4140 e fana- lesakysteele netefatsa hore o fumana feela thepa ea boleng bo holimo, e lekiloeng le e netefalitsoeng bakeng sa khotso ea kelello ea hau.
Nako ea poso: Jul-29-2025