Mokhoa oa ho ntlafatsa haholo boleng ba ho jara tšepe ka ho phomola ka potlako haholo kamora ho phalla

Nako ea ho Hatisa: 06 / 28 2021 Mongoli: Mohlophisi oa Setsi Etela: 12798

Libering ke karolo ea bohlokoa ea lisebelisoa tsa mochini. Ho isa bohōleng bo itseng, boleng ba libering bo thibela lebelo le tsoelo-pele ea moruo oa naha, kaho ea naha ea ts'ireletso le ntlafatso ea mahlale le mahlale, le tsoelo-pele ea ho jara theknoloji ea tlhahiso ea tšepe e ama ka kotloloho indastering e behang Bakeng sa nts'etsopele, linaha tse tsoetseng pele indastering li hokela bohlokoa bo boholo ho etsa lipatlisiso ka boleng ba ho jara lihlahisoa tsa tšepe.

Ho ntlafatsa boleng ba ho roala tšepe le ho netefatsa hore e na le matla a phahameng a mokhathala, matla a kopanyang, ho thatafala ha sefahleho le bophelo bo botle ba ts'ebeletso, ho hlokahala hore ho ntlafatsoe bohloeki ba tšepe le ho tšoana ha carbides ka tšepe, haholoholo lintho tse bonahalang. Likahare, mofuta oa kenyelletso le khase; 'me ho ts'oana ha sebopeho, boholo le kabo ea li-carbide ke sesupo se seng sa bohlokoa ho lekanya boleng ba lihlahisoa tsa tšepe.

Nakong ea ts'ebetso ea ho pholisa kamora ho sesa ho chesang, li-carbide tsa bobeli tse thehiloeng li na le tšusumetso ea bohlokoa ts'ebetsong ea tšepe e behang. Ka hona, ho hlokahala hore marang-rang a carbide a tšepe e be tlase ho 2.5. Carbide ea marang-rang e tla tlisa litlamorao tse mpe:

Ka ho tima sehlahisoa se latelang, e ke ke ea felisoa ka botlalo.
Li-carbide tse kang letlooa tse bolokiloeng ka tšepe li eketsa haholo brittleness ea likarolo le ho fokotsa bokhoni ba ho mamella meroalo e matla.
Tlas'a ketso ea mojaro o matla, likarolo li bonolo ho roba moeli oa lijo-thollo.
Eketsa tloaelo ea ho tima mapetso.

Hajoale, naha ea heso e amohela ts'ebetso ea mocheso o tlase ho laola pula e nang le marang-rang a tšepe, ebe e tlatsetsa ka sekhahla se itseng sa ho pholisa. Leha ho le joalo, ts'ebetso ena e ipapisitse le bokhoni ba leloala le bilikang mme e hloka matla a lekaneng a ho laoloa a laoloang pele o qeta ho phethoa. Kamora ho pholile ha metsi, ho na le sebaka se lekaneng sa isothermal pele ho phetheloa la hoqetela. Ka mola o tsoelang pele oa ho etsa lihlahisoa, ho phalla ha mocheso o tlase hoa phethahala. Ka lebaka la matla a sa lekaneng a ho futhumatsa a lisebelisoa tse teng tsa ho futhumatsa, ho ba thata ho laola mocheso hantle, haholo-holo mekoallo e meholohali kaholimo ho Ф30mm, boleng ba sehlahisoa ha boa tsitsa, 'me pula ea marang-rang ea carbide e tebile.

Bakeng sa ho ntlafatsa boleng ba sehlahisoa sa litlatsetso tse fapaneng tsa tšepe le ho fokotsa ts'epo e boima ea leloala le lisebelisoa tse ling tlhahiso ea tšepe, State Laboratory ea Rolling Technology le Continuous Rolling Automation (RAL) ea Univesithi ea Leboea-bochabela ho tsoa thekenoloji e potlakileng haholo ea ho futhumatsa e nang le mekoallo ea tšepe. Mosebetsi oa lipatlisiso o entsoe maemong a pula ea carbides le phetoho ea mohato nakong ea pholileng e tsoelang pele.

Boima ba micro-hard of the steel steel bearing le pearlite lamella spacing li angoa ke sekhahla sa ho phola kamora ho phalla. Ha sekhahla sa ho futhumatsa se eketseha kamora ho chesa ho chesang, sekhahla sa pearlite lamella sea fokotseha ha boleng ba microhardness bo ntse bo eketseha, mme sekhahla se senyenyane sa lamella se thusa haholo bakeng sa ho koala sekhahla se latelang.

Molao-motheo oa taolo ke hore nakong ea ts'ebetso e tsoelang pele ea ho futhumatsa ea subcooled austenite, austenite e tla hlaha joang kapa joang sebakeng se futsanehileng sa khabone le sebakeng se nang le khabone. Hang ha maemo a li-nucleation a khotsofalitsoe, ha ferrite e ntse e hahuoa sebakeng se nang le khabone, samente e boetse e ahoa sebakeng se nang le khabone. Tsena ka bobeli li hokahantsoe ka nako e le 'ngoe, eutectoid le symbiosis, li theha mokokotlo oa pearlite (ferrite + Cementite), mme ka nako e ts'oanang li-nuclei tse ncha tsa kristale li hlahisoa likarolong tse ling ebe li hola ka ho tsoelang pele. Ha pearlite e theoa, kholo ea longitudinal e bolela hore samente le maqephe a ferrite a tsoela pele ho hola ho ba austenite ka nako e le 'ngoe, ha kholo ea lateral e bolela hore lisemente le maqephe a ferrite a kopantsoe ka tsela e ngoe hore a eketsehe.

Ho eketsa sekhahla se phodisang se tsoelang pele kamora ho fetoha ho tla bapala karolo ea ho hloekisa lithollo tsa austenite. Boholo ba lithollo tsa austenite ha bo na phello e totobetseng karohanong ea pearlite lamella, empa bo ama boholo ba lipelete tsa perela. Lithollo tsa austenite li lokile 'me sebaka sa moeli oa lijo-thollo ka bophahamo ba bophahamo ba yuniti sea eketseha, se tla khothaletsa mokokotlo oa liperela. Haeba palo ea libaka tsa "pearlite" tsa "pearlite" e eketseha, bophara ba "pearlite pellets" boa fokotseha.

Mahlale a morao-rao a pholileng a sebelisoa ho taolo ea tšepe e nang le tšepe, e le hore tšepe e kenelle kapele e feta sebakeng seo pula ea carbide e leng matla kamora ho sesa, e ka fokotsang haholo kapa ea qoba pula ea li-carbide tsa bobeli moeling oa lijo-thollo.

Mokhoa o lekanyelitsoeng oa elemente o sebelisetsoa ho etsisa le ho sekaseka tšimo ea mocheso oa ts'ebetso ea ho futhumatsa e potlakileng ka ho fetesisa ea ho jara tšepe ea litlhaloso tse fapaneng kamora ho sotha, 'me ho khethoa tsela e utloahalang ea ho futhumatsa. Motheong ona, sesebelisoa se futhumatsang se potlakileng haholo bakeng sa ho jara mekoallo ea tšepe le Sisteme e amanang le eona.

Ho latela litlhoko tsa ts'ebetso ea ho futhumatsa ka potlako, e kopantsoeng le maemo a nnete a tlhahiso, lisebelisoa tsa ho futhumatsa tse fihlellang litlhokahalo tsa ho futhumatsa ka lebelo le potlakileng la ho jara tšepe kamora ho qaptjoa ho entsoe, mme sistimi ea taolo e ikemetseng e ile ea ntlafatsoa, 'me ea phethahala ka lipalo ea mohlala e ile ea thehoa ho etsa taolo mocheso ho nepahala ha behang tšepe le Cooling tshwano e se e ntlafetse haholo

The tobileng tsa ho jara tšepe hlahisoang ke mahlaseli mahlaseli tsidifatso tsidifatso haholo-holo Ф15.3mm ~ Ф60mm. Sekhahla sa mangolo a ho jara carbide ea tšepe ea Ф30mm kapa tlase le sehlopha sa 2.0 kapa ka tlase se eketsehile ho tloha ho 10% ho ea 100%; bakeng sa Ф30mm ~ Ф60mm e jereng carbides ea tšepe, e eketsehile ho tloha ho 2.5 ~ 4 ho isa ho 2.0. Sekhahla se latelang sa ho feta se feta 95%. Bakeng sa tšepe e jereng ea Ф60mm ~ Ф120mm, mengoapo e holim'a metsi kamora ho phomola ha ultra-fast e ntlafalitsoe haholo.

Ka kopo boloka mohloli le aterese ea sengoloa sena hore se hatisoe hape:Mokhoa oa ho ntlafatsa haholo boleng ba ho jara tšepe ka ho phomola ka potlako haholo kamora ho phalla

Minghe Khamphani ea Die Casting li inehetse ho etsa le ho fana ka boleng bo phahameng le likarolo tse phahameng tsa ho lahla likarolo Thining-Wall Die Casting,Hot Chamber Die lahla,Cold Chamber shoa lahla), Tšebeletso e chitja (Die Casting Service,Cnc Machining,Ho Etsa Mofuta, Bokaholimo Phekolo) .Na tloaelo efe kapa efe ea Aluminium die die cast, magnesium kapa Zamak / zinc die casting le litlhoko tse ling tsa castings lia amoheleha ho ikopanya le rona

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Lahla Liindasteri Liphuputso tsa likarolo tsa likarolo tsa: Likoloi, libaesekele, lifofane, liletsa tsa 'mino, sesepa sa metsi, lisebelisoa tsa Optical, li-sensor, mehlala, lisebelisoa tsa elektroniki, masaka, lioache, mechini, lienjine, thepa ea ka tlung, mabenyane, mabenyane, telecom, mabone, lisebelisoa tsa bongaka, lisebelisoa tsa litšoantšo, Liroboto, Litšoantšo tse betliloeng, Lisebelisoa tsa molumo, Lisebelisoa tsa lipapali, Lithulusi, Lipapali le tse ling.