Martensitic tšepe e sa hloekang piston silindara

2025-11-16

Lintho tse bonahalang

1.4112 (S46990, S44003, sus440b, X90CrMoV18)

sebopeho sa lik'hemik'hale

C: 0,85～0.95%; Boemo: ≤1.0%; Mong: ≤1.0%; P: ≤0,04%; S: ≤0.015%; Kr: 17～19%; Mo: 0.9–1.3%; V: 0,07~0,12%; Fe: ho leka-lekana

Lintho tse bonahalang

Boima: 7.7g/cm³; matla a matla: 590MPa; matla a tlhahiso: 245MPa; bolelele: 15%; boima HBW: 269; ho tima le ho kokobetsa boima: 55HRC.

Boitšoaro ba mechine

1.4112 ke tšepe e phahameng ea carbon martensitic. Lisebelisoa tsa eona tsa mechine li kenyelletsa matla, boima, boima, joalo-joalo Ka lebaka la lik'habone tse phahameng le chromium, mofuta ona oa tšepe o na le matla a phahameng le boima 'me o ka mamella khatello e kholo le ho apara. Ka nako e ts'oanang, ka lebaka la boima ba eona bo botle, mofuta ona oa tšepe ha o bonolo ho ebrittle mme o ka sebelisoa libakeng tse thata haholoanyane. E hanyetsana le kutu e tsoang sepakapakeng se bonolo, mouoane oa metsi a hloekileng, ammonia, lihlahisoa tse ngata tsa peterole le lisebelisoa tsa manyolo, le libaka tse fapaneng tsa asiti e fokolang. Thempereichara ea annealing e tlase haholo, 'me boima ka mor'a ho tima bo phahame. Hangata boima bo fihla ho HRC56-58. E na le khanyetso e ntle ea kutu (magnetic) le toughness e matla.

Libaka tsa kopo

Hobane tšepe e sa hloekang ea 1.4112 e na le ts'ebetso e ntle ea ho thibela kutu le thepa ea mochini, e sebelisoa haholo ho petroleum, indasteri ea lik'hemik'hale, boenjiniere ba likepe, likoloi, lijo le masimo a mang. Liindastering tsa peterole le lik'hemik'hale, ka lebaka la ts'ebetso ea eona e ntle ea ho thibela kutu, e sebelisoa ho etsa li-reactors, liphaephe le lisebelisoa tse ling. Lefapheng la boenjineri ba metsing, e sebelisoa ho etsa likarolo tsa bohlokoa tsa likepe le sethala sa maoatle. Lefapheng la likoloi, e sebelisoa ho etsa lisebelisoa tse kang li-exhaust systems le li-fasteners. Sebakeng sa lijo, se sebelisetsoa ho etsa lisebelisoa tsa kichineng le lisebelisoa tsa ho lokisa lijo ka lebaka la thepa ea eona e ntle ea bohloeki.

Ts'ebetso ea ts'ebetso

Thepa ea ts'ebetso ea 1.4112 tšepe e sa hloekang haholo e kenyelletsa welding, kalafo ea mocheso le thepa ea ho sebetsa. Mofuta ona oa tšepe o na le ts'ebetso e ntle ea welding 'me o ka chesetsoa ho sebelisoa mekhoa e fapaneng ea ho cheselletsa. Kalafo ea mocheso e ka ntlafatsa thepa ea eona ea mechine le ho hanyetsa kutu, empa tlhokomelo e lokela ho nkoa ho thibela ho phunyeha kapa ho senyeha ho bakoang ke ho chesa haholo kapa ho feta. E na le ts'ebetso e ntle ea ts'ebetso 'me e ka sebelisoa bakeng sa ho phethoha, ho sila, ho cheka, ho tlanya le lits'ebetso tse ling tsa ho lokisa. Mefokolo ea eona ke hore ea khomarela 'me e chesa ka potlako, empa e bonolo ho lehlabathe ho feta tšepe leha e le efe ea carbon' me ho bonolo haholo ho e khaola ka sakha ea letsoho.

Litlhoko tsa ho sebetsa likarolo

Martensitic tšepe e sa hloekang piston silindara1

Ho nepahala ho phahameng ka ho fetisisa ho sebetsa ke 0.03mm, boreleli bo phahameng ka ho fetisisa ke Rz1um, 'me botebo ba libaka tsohle tse chitja tse ka ntle li ka hare ho 0.03mm.

Ho sebetsa

Ho Lahla: ho sebelisa boka ba mocheso o mahareng o lahlehetsoeng ke boka bo nepahetseng.

Martensitic tšepe e sa hloekang piston cylinder process2

Martensitic tšepe e sa hloekang piston silindara3

Martensitic tšepe e sa hloekang piston cylinder process4

Mechine: Lathe e tšoara ntlha e le 'ngoe ea clamp clamp, e sebelisana le foreimi e bohareng, e sebetsana le selikalikoe se ka ntle e le sesupo se nepahetseng, ebe e sebetsana le lesoba le ka hare, e fetola ka mokhoa o thata ho fetola bokahare le bokantle ba ka ntle, 'me e qetelle e fetola selikalikoe ka ntle le lifahleho tse qetellang tsa mahlakore ka bobeli.

Martensitic tšepe e se nang tšepe piston silindara5

Martensitic tšepe e sa hloekang piston cylinder process6

Ts'ebetso e qaqileng ea mochini

Martensitic tšepe e sa hloekang piston silindara111 (7)

1.Tšoara lesoba le ka hare ka mahlakoreng a mabeli. Rough Machining mahlakore a mabeli (Size10,15,16,20,27,28,30,35,36,37,38)le karolo eohle e ka ntle;

Martensitic tšepe e sa hloekang piston silindara111 (1)

2.Clamp ka lehlakoreng le letšehali, 'me u tšoare holim'a OD. Ho sebetsa ka lehlakoreng le letona le likoti tse ka hare. Boholo ba mochini oa mochini NO.27---45. Qetella boholo ba mechine NO.72;

Martensitic tšepe e sa hloekang piston silindara111 (2)

3.Clamp lehlakoreng le letona, 'me u tšoare OD holim'a metsi, Rough machining lehlakoreng le letšehali, Rough machining size NO.9,10,11,12,13,14,15,16,20,21and 57-64;

Martensitic tšepe e sa hloekang piston silindara111 (3)

4.Tšoara ka hare ho lesoba ho tloha ka lehlakoreng le letona,Ke motheo A. Tšoara karolo ho tloha lesobeng le letšehali. Etsa machining ea ho qetela ka mahlakoreng ka bobeli. Boholo ba mechine NO.9, 10-16,20,21. Le 23-45;

Martensitic tšepe e sa hloekang piston silindara111 (4)

5.CNC machining masoba, khoele ka mahlakoreng a mabeli;

6.Machining Size NO. 2,4,6,8. 46-56.

Ho sila le ho bentša: boloka 0.05mm bakeng sa tumello ea ho sebetsa ka grinder, ho sila ka hare + ho honing.

Phekolo ea mocheso:

Annealing, ho pholile butle ho 800 ~ 920 ℃; ho tima, ho futhumatsa oli ho 1000 ~ 1050 ℃; mocheso, 200 ~ 300 ℃; 96h quenching le tempering mocheso kalafo.

Mtlaleho ea lintho tse bonahalang