Eketsa The Ferrite Content Of Ductile Tšepe

Boithuto bo bontšitse hore likarolo tse fapaneng tsa matrix li na le tšusumetso e kholo ho thatafallang mocheso o tlase maemong a fapaneng a mocheso, 'me tšepe ea ferritic ductile e nang le polasetiki e phahameng e ka fumana lits'oants'o tse matla tsa ho ba thata

4.1.1 Lik'hemik'hale

Fokotsa likarolo tse khothalletsang kapa tse tsitsisang sebopeho sa pearlite, joalo ka: Mn, V, Zr, Nb, Ti, Cr, Mo, W, Cu, Pb, Sb le likarolo tse ling. Har'a tsona, ho na le lintlha tse peli tse lokelang ho boleloa, e 'ngoe ke mankanese, e loketseng spheroidal graphite. Ts'usumetso ea ho thatafala le mocheso o bobebe oa phetoho ea tšepe e na le phello e mpe haholo. Keketseho e ngoe le e ngoe ea 0.1% ea manganese e tla eketsa mocheso o fetohang oa tšepe ea ductile ka 10 ℃ ～ 12 ℃. Ka hona, leka ho khetha tšepe e tlase ea manganese pig le tšepe e setseng e le lisebelisoa tse tala; Element ke Cu. Le ha e le karolo e sa nke lehlakore, phello ea ho eketsa likahare tsa pearlite ha e totobetse, empa ka keketseho ea litaba tsa Cu, mocheso o fetohang oa phetoho ea tšepe ea ductile oa eketseha, 'me boima ba eona boa fokotseha.

Ka nepo eketsa likarolo tsa sebopeho sa ferrite, joalo ka: C, Si, Ca, Ba, Al, Bi le likarolo tse ling. Har'a bona, ntlha ea Si e lokela ho boleloa. Joalokaha bohle re tseba, Si ke ntho e khothalletsang graphitization ka matla mme e molemo ho eketsa litaba tsa ferrite. , Empa litaba tsa Si lia eketseha, ho ba thata hoa tšusumetso ho hlakile, mocheso o fetohang oa phetoho o eketseha ka 5.5 ℃ ～ 6 ℃ nako le nako ha litaba tsa Si li eketseha ka 01.%, 'me tšepe ea ductile e nang le Si e ka bang 4% e na le ferrite matrix, empa brittleness e phahame haholo, leha e le mochesong oa kamore, ho thata ho e sebelisa tlasa maemo a khatello ea mojaro. Ka hona, litaba tsa Si ka tšepe ea ductile e nang le litlamorao tse tlase tsa ts'ebetso ea mocheso hangata e laoloa ho 1.6-2.0%.

4.1.2 Fokotsa sekhahla sa ho futhumatsa ha li-castings hammoho le hlobo

Bakeng sa sebopeho se itseng sa tšepe ea ductile, ho fetola sekhahla sa ho futhumatsa ha sethala sa eutectic ho ka fetola sebopeho sa eona sa matrix ka bongata bo boholo. Ka mantsoe a mang, butle-butle lebelo la ho lahla le ntse le phahama, 'me le phahame haholo ka har'a sebopeho sa matrix. Ha sekhahla se pholile se lieha butle, se phahamisa litaba tsa ferrite. Leha ho le joalo, hoa hlokahala ho thibela ponahalo ea lithollo tsa kristale tse mahoashe le libolo tsa graphite; thepa e fapaneng ea ho bōpa e na le mafura a fapaneng a futhumatsang, a lebisang mefuteng e fapaneng ea ho futhumatsa ha li-castings. Lehlabathe le ommeng kapa lehlabathe la lehoakhoa le lokela ho sebelisoa bakeng sa thepa ea ho etsa mohlala ka mocheso o tsamaeang butle, mme botenya ba hlobo bo lokela ho phutholoha ka nepo. (Ka tloaelo ho tsejoa e le ho eketsa lehlabathe le jeoang), leka ho fokotsa kapa ho felisa ts'ebeliso ea tšepe e batang. Bakeng sa likarolo tse nang le marako a mosesaane, ka nepo eketsa mocheso oa ho betla ho fokotsa lebelo la ho futhumatsa ha li-castings, le ho eketsa nako ea ho pakolla ka hohle kamoo ho ka khonehang. Haeba ho khonahala, li-castings li ka tsepamisoa. E behe ho fokotsa mocheso oa mocheso.

4.1.3 Kalafo ea mocheso

Ho ka bonoa ho tsoa ho Setšoantšo sa 4 le Setšoantšo sa 5 hore kamora ts'ebetso ea kalafo ea mocheso, likhahla tsa ferrite lia eketseha, bophahamo le boima ba tšusumetso li ntlafalitsoe haholo, 'me likarolo tse ling li ka fetoloa mocheso o phahameng ka kalafo ea annealing, le ho lahla matrix Letlapa la kristale ea sebopeho lea ntlafala 'me lijo-thollo li ntlafalitsoe,' me palo le ts'ebetso ea ferrite li ntlafalitsoe hantle. Ka nako e ts'oanang, ka mokhoa oa kalafo ea mocheso, litlhoko tse thata tsa likarolo tse ling tsa thepa e tala le e thusang li ka phutholoha hantle. Bakeng sa li-castings tse nyane le tse mahareng tse sa atleheng ho fihlela litlhokahalo, ho ka sebelisoa mehato ea kalafo ea mocheso.

4.2 Ntlafatsa lijo-thollo 'me u eketse palo ea lihlopha tsa eutectic

Ha boholo ba lijo-thollo bo ntse bo eketseha, khatello ea khatello ea thepa e fokotseha haholo. Ha boholo ba lijo-thollo bo le boholo ho feta boholo bo itseng bo thata, ho robeha ha brittle ho ba teng. Ho hloekisa le ho fokotsa boholo ba lijo-thollo ho ka fokotsa mocheso o fetohang oa phetoho, ka hona oa eketsa khatello e tlase ea mocheso o matla oa tšepe ea ductile.

Ts'ebetso ea tšepe ea tšepe ea tšepe e qhibilihisitsoeng

Ho sebelisa tšepe ea khale le ho thunya tšepe ea ductile e le lisebelisoa tsa mantlha tse tala, ho sebelisa graphite ho eketsa C, ferrosilicon kapa silicon carbide ho eketsa Si ho qhibilihisa tšepe ea ductile. Kaha ntlha e qhibilihang ea C le Si e phahametse mocheso oa tšepe e qhibilihisitsoeng, li kenya tšepe e qhibilihisitsoeng haholoholo ka ho hasana le ho qhibiliha. Ho na le palo e kholo ea [C] li-crystallite tse entsoeng ka tšepe e qhibilihisitsoeng, e leng pre-eutectoid kapa eutectic Graphite ke karolo e ntle ea kantle ho naha ea nucleation, e loketseng ntlafatso ea lijo-thollo.

Ho tsoaloa hangata

Bohlokoa ba ho entoa ke ho qhibilihisa 'mele le ho e senya ho theha lithollo tsa kantle tsa kristale. Morero oa ona ke ho eketsa bokhoni ba graphite nucleation, ho ntlafatsa lithollo tsa kristale, ho eketsa palo ea libolo tsa graphite, le ho eketsa litaba tsa ferrite. Mora incubation tharo, haholo-holo 0.3 ～ 1mm ka ho betsa. Inoculant ea Ba e nang le ente e kenang hanghang, leha bongata ba ente e le nyane, phello ea ente e bohlokoa.

4.3 Hloekisa tšepe e qhibilihisitsoeng, fokotsa slag le inclusions kahare le lipakeng tsa lithollo

Ho robeha ha lintho tse bonahalang hangata ho fetohana kapa ho robeha ha mefuta e mengata. Ho na le inclusions kapa inclusions kahare kapa lipakeng tsa lithollo tsa thepa, tse fokolisang matla a tlamang a thepa. Tlas'a tšebetso ea mojaro oa tšusumetso, hangata e theha mohloli oa mapetso kapa tsela ea ho hasana. Fokotsa tlaase mocheso tshusumetso hanyetsa lintho tse bonahalang tse.

4.3.1 Phekolo ea tšepe ea pele e qhibilihisitsoeng

4.3.1.1 Phekolo ea ho qhekella le ho senya

Bakeng sa baetsi ba sebelisang kopola-potoloho ea duplex smelting, ba ka sebelisa mokhoa oa ho sisinya kapa mokhoa oa pneumatic desulfurization bakeng sa desulfurization ho fokotsa sebabole ka tšepe ea pele e qhibilihisitsoeng ho ba tlase ho 0.02%. Leha ho le joalo, moemeli oa hona joale oa ho senya o sebelisitsoeng ke karolo e kholo ea eona ke CaO kapa CaC2. Mofuta ona oa desulfurizer o na le bokhoni bo tlase ba ho theola 'mele, mme ho molemo ho thusa hantle lisebelisoa tse ling tsa deoxidizing tse kang Ca, Ba, Al le likarolo tse ling. Bakeng sa ho qhibilihisa ka kotloloho u sebelisa sebopi sa motlakase, ho bohlokoa hape ho theola tšepe le ho e senya.

4.3.1.2 Ho chesa haholo le ho ema ha tšepe e entsoeng ka ho qhibilihisoa

Ho eketsa mocheso oa ho qhibilihisa oa tšepe e qhibilihisitsoeng ho ka etsa hore inclusions tsa thepa e tala, hammoho le slag le inclusions tse entsoeng nakong ea ts'ebetso ea ho qhibilihisa, li phaphametse tšepe e qhibilihisitsoeng.

Ka holim'a metsi, haholo-holo ts'ebelisong ea ts'ebetso ea litšepe tse nchafalitsoeng, ho hlokahala hore ka nepo ho eketsa mocheso o qhibilihang ≥ 1500 ℃ le ho eketsa nako ea ho ts'oara, ho seng joalo, khabone e ke ke ea qhibiliha ka botlalo ka tšepe e qhibilihisitsoeng mme ea theha li-slag inclusions. Ts'epe e entsoeng ka tšepe e entsoeng ka tšepe e lumelloa ho ema metsotso e 1 ho isa ho e 3, e loketseng phaphametseng ea li-oxide le li-sulfide tsa tšepe tse sebetsang joalo ka Mg, Ba, Al le Fe, ka hona li hloekisa tšepe e qhibilihisitsoeng.

4.3.1.3 Ho koaheloa hangata le ho tlosoa khafetsa ha slag

Ho fana ka litaba tse ling ho loketse ts'ebetso ea ho qhibilihisa, ho fokotsa nako ea ho ikopanya lipakeng tsa tšepe e qhibilihisitsoeng le moea nakong ea ts'ebetso ea ho betsa, le ho fokotsa moea oa oksijene ka tšepe e qhibilihisitsoeng; khafetsa slag tlosa e loketseng ho bokella ha oxide e setseng le sulfide thehoa nakong ea tsamaiso qhibilihisa kapa spheroidizing thulaganyou e, E le hore ho arola tšepe ho slag, le ho etsa bonnete ba hore tšepe e entsoeng ka ho qhibilihisoa pele kena cavity e hantle hloekisitsoeng.

4.3.1.4 Metsi mokelikeli karaoke set

Hammoho le sistimi ea ho lahla, mokotla oa slag o nang le sefa o kentsoe hlobo kapa hlobo, o mong ke ho thibela ho feta ha slag e tiileng le e metsi; e nngwe ke ho tswela tshepe molemo

Mokelikeli o kenngoa hantle kahare ho fokotsa sebopeho sa slag ea bobeli; ea boraro ke ho phaphamala pokello ea slag ka mokotleng oa slag ho fokotsa ho kena ha slag ea mantlha kahare.

4.4 Fokotsa likarolo tsa khethollo ea moeli oa lijo-thollo

Mn, Sb, Sn, As, Ti le likarolo tse ling ke likarolo tsa karohano ea moeli oa lijo-thollo, ka hona litaba tsa tsona li lokela ho fokotsoa ka hohle kamoo ho ka khonehang.

4.5 Fokotsa likarolo tsa oxide le sulfide

Ca, Ba, Al, Mg, likarolo tse sa tloaelehang tsa lefats'e li bonolo ho theha li-oxide le li-sulfide, ka hona litaba tsa tsona li lokela ho fokotsoa ka hohle kamoo ho ka khonehang

4.6 nodulizer e khethehileng le ente

Moemeli oa spheroidizing le ente e sebelisitsoeng ho hlahisa tšepe ea ductile e sa keneleng mocheso e lokela ho ela hloko melao-motheo e meraro e latelang.

• E 'ngoe ke: ts'ebetso e phahameng ea spheroidization le phello ea inoculation: karolo ena e ipapisitse le botsitso ba sebopeho sa moetsi oa spheroidizing ka boeona, mefuta e fapaneng ea ho kheloha ha likarolo tsa mantlha tse kang Mg, Re, Ca, Ba, jj e lokela ho ba tlase ho ± 0.3 %; ka lehlakoreng le leng, tšepe e entsoeng ka ho qhibilihisoa botsitso ba boleng, joalo ka mocheso oa ho tlanya tšepe, botsitso ba S le O litaba; ea boraro ke botsitso ba ts'ebetso ea ts'ebetso, joalo ka taolo ea lebelo la ho tlanya tšepe le boemo ba ho tlosa tšepe, ho thibela tšepe hore e se liehe haholo ho etsa hore tšepe e qhibilihisitsoeng e tobise nodulizer.
• Ea bobeli ke: bokhoni bo matla ba inki, Mg le Re ke likarolo tsa mantlha tsa spheroidizing, hape ke likarolo tse matla tsa molomo o mosoeu. E lokela ho ba haholo-holo Mg, e tlatsitsoeng ke Re element, ebe e ts'oana hantle le Ca, Ba, Bi le likarolo tse ling tse nang le bokhoni bo matla ba inki.
• Ea boraro ke: bokhoni bo tlase ba ho etsa slag, ka lehlakoreng le leng, litaba tsa slag tse nodulizer le inoculant, joalo ka MgO, oxides earth rare le li-slag tse ling tsa kantle ho naha, li lokela ho fokotsoa. Ka nako e ts'oanang, litaba tsa Ca le Ba ho spheroidizing agent le inoculant li lokela ho ba tse itekanetseng, hobane li na le bokhoni bo matla ba ho etsa slag.

5. Qeto ea likhanyetsano tse peli

Likahare le palo ea Mg, Re, Ca, Ba le likarolo tse ling tsa moetsi oa spheroidizing le inoculant li hanana le phello ea spheroidizing le ts'ebetso e tlase ea mocheso. Ho eketsoa ha Mg, Re, Ca, Ba le likarolo tse ling ka tšepe e entsoeng ka ho qhibilihisoa ho feta tekano, ho tla etsa hore masala a tšepe e qhibilihisitsoeng ea lintho tse kaholimo a phahame, 'me slag e phahameng ea oxide le sulfidation e tla ama ts'ebetso ea ts'ebetso. Leha ho le joalo, ha ua lokela ho tlohela ho ja ka lebaka la ho bipetsoa. Haeba likarolo tse kaholimo li le tlase haholo, li tla ama phello ea spheroidization le lisele tsa matrix, 'me phello e ke ke ea fihlelleha. Ho latela boleng bo fapaneng ba tšepe e qhibilihisitsoeng, boholo ba ho lahla, sebopeho, botenya ba lebota, ho tšela nako le maemo a mang, khetha moemeli ea khethehileng oa spheroidizing, inoculant le mehato ea ts'ehetso.

6. Qetello

Ka kakaretso, ha feela boleng ba tšepe e qhibilihisitsoeng bo laoloa hantle, litaba tsa C, Si, Mn, Ca, Ba, Re, le likarolo tse ling li lokela ho laoloa, 'me litaba tsa likarolo tse ling li lokela ho fokotsoa joalo ka ha khoneha. Ho lokela ho khethoa li-nodulizers tse khethehileng, ente ea ente le lisebelisoa tsa tšehetso. Bokhabane, ts'ebetso e thata ea mahlale a morao-rao, mekhoa e metle ea liteko ea mekhahlelo e fapaneng. Kahoo, ha ho thata haholo ho hlahisa li-castings tsa ductile tse sa keneng mocheso ho bata haholo.

Ka kopo boloka mohloli le aterese ea sengoloa sena hore se hatisoe hape:Eketsa The Ferrite Content Of Ductile Tšepe

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

Tlas'a taolo ea ISO9001 le TS 16949, lits'ebetso tsohle li etsoa ka mechini e makholo ea li-die casting, mechini e 5-axis le lits'ebeletso tse ling, ho tloha ho li-blasters ho isa mechini ea ho hlatsoa ea Ultra Sonic. sehlopha sa baenjiniere ba nang le boiphihlelo, lisebelisoa le bahlahlobi ho etsa moralo oa moreki o phethahala.

Moetsi oa konteraka oa li-cast cast. Bokhoni bo kenyelletsa likarolo tse batang tsa aluminium die die likarolo tsa 0.15 lbs. ho isa ho li-6 lbs., Ho theha phetoho e potlakileng, le machining. Litšebeletso tse kenyellelitsoeng boleng li kenyelletsa ho bentsa, ho thothomela, ho qhekella, ho phatloha ha lithunya, ho penta, ho roala, ho roala, kopano le lisebelisoa. Lisebelisoa tse sebelisitsoeng le tsona li kenyelletsa lits'epe tse kopantsoeng tse kang 360, 380, 383 le 413.

Zinc e shoa ho lahla thuso ea moralo / lits'ebeletso tsa boenjineri tse tšoanang. Moetsi oa moetlo oa li-castings tsa zinc tse nepahetseng. Li-castings tse nyane, li-castings tse phahameng tsa khatello, li-cast cast tsa hlobo, li-castings tse tloaelehileng tsa hlobo, li-unit tsa die le li-cast cast tse ikemetseng le li-cast cast tse tiisitsoeng li ka etsoa. Li-castings li ka etsoa ka bolelele le bophara ho fihlela 24 ho. Ho +/- 0.0005 ho. Mamello.  

ISO 9001: Moetsi ea netefalitsoeng oa 2015 oa magnesium ea die die, Bokhoni bo kenyelletsa khatello e phahameng ea khatello ea magnesium die cast to 200 ton room & 3000 kamoreng e batang, moralo oa lithulusi, polishing, molding, machining, powder & liquid paint, QA e felletseng e nang le bokhoni ba CMM , kopano, ho paka le ho tsamaisa.

ITAF16949 e netefalitsoe. Ts'ebeletso e 'ngoe ea ho lahla e kenyeletsa ho lahla lichelete,ho lahla lehlabathe,Matla a khoheli, Lahlehileng bubble lahla,Ho ts'oaroa ha Centrifugal,lephaka lahla,Sa Feleng hlobo lahlaBokhoni bo kenyelletsa EDI, thuso ea boenjiniere, ho etsa mohlala o tiileng le ho sebetsoa ka bobeli.

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. 

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