Inqubo Yokondla Nge-Wire Ductile Iron Treatment

Ngokukhiqizwa kwangempela, kusetshenziswa indlela yokushaya ngenqindi nendlela yokudla ukukhiqiza i-ductile iron, futhi kuhlaziywa izici zezinqubo ezimbili. Ngokuqhathanisa, ukusebenza okuphelele kokuphonswa okukhiqizwa indlela yokondla kuzinzile kakhulu kunendlela yokushaya; futhi inqubo yokudla is spheroidized. Ukwabelana ngokuhlangenwe nakho okukuyo.

I-1. Sibutsetelo

Njengoba sonke sazi, i-asi iyinto ebalulekile ethwala umthwalo wemoto, futhi ihlobene ngqo nokuphepha kwemoto. Izindlu ze-axle zingenye zezinto ezisemqoka ze-axle. Ukusebenza kwempahla ye-asi ye-eksisi kunquma ngqo umthamo wokuthwala umthwalo wemoto. Okwamanje, izindlu ze-ekseli elisembonini yamaloli esindayo ngokuvamile zehlukaniswe ngezigaba ezimbili: izindlu ezifakwa nge-asi ezivalekile nezindawo zokuphonsa ama-asi, futhi izindlu ze-asi ezihlukaniswayo zingahlukaniswa ngezindlu zensimbi ezijikijelwayo nezindlu zensimbi.

Izindlu ze-axle cast bezilokhu zihlala endaweni enkulu yezindlu ezisindayo zamaloli ngenxa yesisindo sayo esithwala umthwalo omkhulu kanye nezindleko zokukhiqiza eziphansi. Ngenxa yendawo yokusebenza enzima yendlu ye-axle nomsebenzi wesikhathi eside ngaphansi komthwalo onamandla, lokhu kudinga izidingo eziphezulu zezinto ezibonakalayo zendlu ye-axle. Ngenkathi iqinisekisa amandla, futhi idinga ukuthola upulasitiki ophakeme nobunzima bokuzivumelanisa nezindlu ze-ekseli. Izici zomsebenzi.

Siyazi ukuthi ngensimbi ye-nodular cast, inqubo ye-spheroidizing iyisixhumanisi esiyinhloko ekukhiqizeni i-nodular cast iron, futhi ikhwalithi yokwelashwa kwe-spheroidizing ithinta ngqo ikhwalithi yensimbi ye-nodular cast. Ekuqaleni, inqubo ye-spheroidizing ebesiyisebenzisa bekuyinqubo ye-spheroidizing yendlela yokungena ngokushesha. Yize le ndlela ilula futhi isebenza kalula, inamaphutha amaningi, njenge: isivuno se-alloy ephansi; intuthu enkulu nendawo yokusebenza engeyinhle; ukusabela Inani le-slag ekhiqizwa ngaleso sikhathi likhulu; umphumela wokwelashwa uthinteka kalula yizinto zangaphandle, okuholela ekushintshashintsheni kwekhwalithi yokuphonswa kanye nokuvama okungafaneleki kwe-spheroidization. Lokhu kushintshashintsha kwekhwalithi kuzothinta ukusebenza kwezindlu ze-axle futhi kuphazamise nokuphepha kwemoto.

Inqubo yokwelashwa yocingo yokwelashwa kwe-spheroidizing yasetshenziswa ekukhiqizeni insimbi yensimbi. Kwaqala ngawo-1980 phesheya. Yize ukukhiqizwa kwasekhaya kwe-nodular cast iron kwaqala ukusebenzisa lobu buchwepheshe sekwephuzile, ubuchwepheshe buye bathandwa futhi busetshenziswa ngokushesha ezweni, futhi bulusizo ekwenzeni ngcono ukukhiqizwa kwe-nodular graphite. Umphumela wokuqina kwekhwalithi yensimbi isobala.

2. Ukondla inqubo ye-spheroidizing yocingo

Umgomo oyisisekelo wenqubo yokondla umucu we-spheroidizing ukugoqa ukwakheka okuthile kwe-ejenti eyimpuphu ye-spheroidizing ne-inoculant ngesikhumba sensimbi, bese uyithumela kuphakheji yokwelashwa okukhazimulayo ngejubane elithile ngemishini, ukuze i-spheroidizing ezansi iphakethe lizoqhuma. Ukufeza injongo yokwelashwa kwe-spheroidization inoculation.

Okwamanje, inqubo yokuphakelwa kocingo esiyisebenzisayo yilena: lungisa ukwakheka kwamakhemikhali kuzidingo zenqubo, ukushisa kuze kufike ku-1510-1520 ℃ bese ume ume, izinga lokushisa ngokuthepha lingu-1480 ～ 1500 ℃, okukhiphayo kwensimbi kungu-2t, futhi izinga lokushisa lokwelashwa okukhazimulayo ngu-1420 ～ 1450 ℃. Ukushisa okuthelayo kungu-1370 ～ 1380 ℃. Izinga lokugonywa ngokugeleza lingu-0.1%.

Ubude bolayini we-spheroidizing bungu-39-46m, bulungiswe ngokuya ngesibabule sensimbi yensimbi yokuqala. Ukuphakama kokuqukethwe kwesibabule, kulapho umugqa we-spheroidizing udinga ukwengezwa, futhi okuphambene nalokho. Ubude bomugqa wokufaka inoculation ngu-32m.

3. Inqubo ye-spheroidizing yokondla ucingo ithuthukisa ikhwalithi yokuphosa

Ngemuva konyaka ongaphezu kokukhiqizwa, ikhwalithi yezindlu zethu ze-axle yathuthukiswa kakhulu uma kuqhathaniswa nangaphambilini. Ikakhulu ukuzinza kokwakheka, i-metallography nezakhiwo zemishini kuthuthukiswe kakhulu.

Ukuqhathanisa isakhiwo se-metallographic Khetha isikhundla esifanayo sokuphonsa ukuze upholishe futhi ubone isakhiwo se-metallographic. Isithombe se-metallographic esithathiwe sikhonjisiwe kuMdwebo 2. Uma kuqhathaniswa nendlela yokushaya, amabhola e-graphite okusakaza akhiqizwa indlela yokuphakela maningi futhi mancane, futhi ukuzungeza kungcono.

4. Izinzuzo zokondla inqubo yochungechunge lwe-spheroidization

Ngokuya ngokuqhathanisa kwethu kwangempela kokukhiqiza, inqubo yokuphakela ngentambo inezinzuzo eziningi ngaphezu kwenqubo yokuphamba yendlela yokushaya.

• Ukwenza ngcono indawo yokukhiqiza esizeni. Lapho i-ejenti ye-spheroidizing iphendula ngensimbi encibilikisiwe, kukhiqizwa intuthu enkulu nokukhanya okuqinile, okwenza indawo yokusebenza esizeni ibe yimbi kakhulu; lapho indlela yokudla kwentambo isetshenziselwa i-spheroidization, isiteshi sokucubungula Kukhona ikhava yokumboza isikhwama se-spheroidization, futhi ikhava ixhunywe ohlelweni lokususa uthuli lwesiteshi sokucubungula, ukuze intuthu icutshungulwe uhlelo lokususa uthuli esikhundleni salokho wokukhishwa ngqo kumasifundisane.
• Inani le-alloy added lincishisiwe, futhi izindleko zokukhiqiza ziyancipha. Ngemuva kokubala, ukucutshungulwa kwe-1t yendlela yokuncibilikisa insimbi encibilikisiwe kungonga cishe ama-yuan angama-78 ezindlekweni zempahla eluhlaza kunendlela yokugigiyela. Ngokuya ngomthamo wokukhiqiza wonyaka wamathani ayi-10,000 we-ductile iron axle izindlu zefektri yethu, ukonga minyaka yonke Izindleko zingu-780,000 yuan futhi izinzuzo ziyabazeka.
• Bona ukuzenzakalela kwemisebenzi futhi wehlise ukuqina kwabasebenzi. Lapho inqubo ye-spheroidization yenziwa, amalungiselelo okuqala abasebenzi ayasinda, kufaka phakathi ukukala i-spheroidizing agent kanye ne-inoculant, ukwengeza i-spheroidizing agent kanye ne-inoculant esikhwameni, futhi imisebenzi yokuTamping nokumboza iyadingeka; inani elengeziwe lemigqa ye-spheroidizing kanye ne-inoculating yendlela yokuphakelwa kwentambo yengezwa ngokuzenzekelayo ngekhabethe lokulawula, elehlisa umsebenzi omningi.
• Ikhwalithi ye-spheroidization izinzile futhi umphumela we-spheroidization ungcono. Ngokwezibalo, selokhu kwasetshenziswa inqubo yokuphakela ngentambo ngo-2013, izinga lokuphasa nge-spheroidization lingaphezu kwama-99.5%, kanti izinga lokuphasa lenqubo ye-spheroidization lingama-95% kuphela.

5. Ungayikhetha kanjani kahle imingcele yenqubo yokondla i-spheroidization yentambo

Ekukhiqizweni kwangempela, ukuthi ungayikhetha kahle kanjani imingcele yenqubo yokuphakelwa kwentambo kudinga inani elithile lezivivinyo ukuqinisekisa. Senze izinguquko eziningi zenqubo kusukela ekuqaleni kwenhlangano yokuhlolwa kukhiqizwa ngobuningi okusemthethweni. Okulandelayo kuzokwabelana ngesipiliyoni sethu nozakwethu.

Ukuze ukhethe kahle inqubo yemingcele yokondla i-spheroidization, udinga ukunaka lezi zinto ezilandelayo:

• (1) Ukukhethwa kocingo oluhlanganisiwe Olunye ulwazi lwangaphandle alutusi ukusetshenziswa kocingo oluphakeme lweMg. Okuqukethwe kweMg kuphakeme kakhulu, ukusabela kwe-spheroidization kukhulu, iMg ishisa kakhulu, futhi nenani le-slag likhulu. Ngokuvamile, kunconywa ukuthi ukhethe okuqukethwe kwe-Mg okungaba ngu-30%, bese usebenzisa intambo ye-Ba-aqukethe inoculation, engavimbela ngempumelelo ukwehla kwe-inoculation. Imingcele eyinhloko yocingo oluhlanganisiwe olusetshenziswe inkampani yethu yilezi: ukushuba komgogodla wensimbi yangaphandle kungu-0.4mm, nobubanzi bocingo olungu-13mm. Ngaphambi kokuyisebenzisa, hlola ukuthi ukubonakala kocingo olufakwe isigaxa kufanele kube yindilinga futhi kungabi nemifantu, ukuvuza kwempuphu, njll. Ekukhiqizweni kwangempela, kuyadingeka ukuzivumelanisa ngokuya ngamazinga okushisa okwelashwa kanye nokuphakama kwensimbi encibilikisiwe. Ngokuvamile, ukuphakama kwamazinga okushisa okwelashwa, kuphakama ukuphakama kwensimbi encibilikisiwe, futhi ijubane lokudla kwentambo lishesha. Ngaphezu kwalokho. Ezinye izinto zokwakha ziveze futhi indlela elula futhi engenzeka yokulinganisa ijubane eliphezulu lokudla kwentambo: qala ulinganise ukuphakama kwensimbi encibilikisiwe esikhwameni sokucubungula, bese ngesandla usuthisa umshini wocingo ukuze ucingo olungumongo luthinte nje indawo engamanzi, bese sula i-counter, Umshini wokuphakela ucingo owenziwa ngesandla wenza ukondla ngocingo. Lapho uzwa umsindo wokuphendula we- "boom", hlola ubude bokudla ngokushesha. Uma lobu ubude ngokuyisisekelo bulingana nokuphakama kwensimbi encibilikisiwe, ijubane kufanele lifanele. Ngemuva kokuqinisekisa, sikhethe isivinini sokondla esingu-30m / min.
• Ukukhethwa kwenani lokondliwa ngentambo Inani elifanele lokondla intambo ukondla intambo engaphansi kakhulu ngaphansi kwesisekelo sokuqinisekisa umphumela we-spheroidization. Inani lokondla ngocingo kufanele linqunywe ngokuya ngenani lokucubungula lensimbi encibilikisiwe, izinga lokushisa lokucubungula, kanye nokuqukethwe kwesibabule sensimbi encibilikisiwe. Ngokuya ngezidingo zethu zensimbi zesulfure encibilikisiwe nezidingo zenqubo yomkhiqizo, kuhlanganiswe nokuqinisekisa kokuhlola, ngaphansi kwesimo sokuqinisekisa okuqukethwe okusele kwe-magnesium, ubude bolayini we-spheroidizing ngu-39-46m, kanti ubude bomugqa wokufaka inoculation ngu-32m.
• Ukukhethwa kokushisa kokucubungula Izinga lokushisa lokucubungula kufanele linciphiswe ngangokunokwenzeka ngaphansi kwesisekelo sokuqinisekisa ukushisa okuthelayo. Ukwehla kwamazinga okushisa okucubungula, kukhuphuka izinga lokumuncwa le-magnesium futhi ukusetshenziswa okuncane kocingo oluhlanganisiwe kuncane. Ngokuya kokuhlolwa kwangempela kokukhiqiza, isikhathi esivela ekuqaleni kokwelashwa kwe-spheroidizing kuya ekuqaleni kokuthelwa yimizuzu emi-4 kuye kwemi-5, lapho ukwehla kwezinga lokushisa kungama-40 kuye ku-50 ° C, kanti isikhathi sokuphendula okukhazimulayo yimizuzwana engama-80 kuye kwangama-90. Njengoba inqubo ye-spheroidizing idinga ukuguqulwa, sibeka ukushisa kokucubungula ku-1410 ～ 1450 ℃, umkhawulo ophezulu uthathwa lapho izinga lokushisa kwegumbi lingaphansi kuka-5 ℃, nomkhawulo ophansi lapho izinga lokushisa kwekamelo lingaphezu kuka-25 ℃.
• Ukukhethwa kokusalela kokuqukethwe kwe-magnesium ngensimbi encibilikisiwe ngemuva kokwelashwa. Okuqukethwe okusele kwe-magnesium kufanele kubekelwe eceleni inani elithile lokuqukethwe kwe-magnesium ngokuya ngezici zokuzisakaza uqobo. Ekuqaleni, besilawula okuqukethwe okusele kwe-magnesium kuya ku-0.03% kuya ku-0.06%, kepha ngemuva kokuqinisekiswa kwangempela kokukhiqizwa, kufanelekile ukulawula okuqukethwe okusele kwe-magnesium ku-0.05% kuye ku-0.06%, ngoba sithole ukuthi lapho i-magnesium eyinsalela ingaphansi kuka 0.04%, i-graphite yayo Ukuzungezwa kwebhola kubi kakhulu. Uma ingaphezulu kuka-0.07%, i-cementite iyathanda ukuvela, futhi ukuthambekela kokuncipha kwensimbi encibilikisiwe kuba kukhulu.
• Ukuxazulula inkinga yocingo oludidayo ngesikhathi sokusetshenziswa Isimo sokwenza i-wire jam sizokwenzeka ngesikhathi senqubo yokudlulisa ucingo oluhlanganisiwe, oluzokwenza ukuthi lonke iphakethe lensimbi encibilikile lisulwe. Kuze kube manje, sithathe lezi zinyathelo ezilandelayo: enye ukufaka iringi yensimbi ngenhla kwensimbi yocingo ekhethiwe, njengoba kukhonjisiwe ku-Figure 5, enganciphisa ukugoba kocingo oluyisisekelo futhi ikwenze kube lula ukungena kumhlahlandlela; okwesibili ukuxhuma amakhoyili amabili Uma ushisela, ngemuva kokushisela, pholisha amaqhubu amakhulu ukuvimbela ucingo ukuba lungqubuzane ngesikhathi senqubo yokudlulisa; okwesithathu, gwema ukugoba kobubanzi okungaphansi kuka-1m epayipini lokuhambisa noma umzila wocingo oluhlanganisiwe ukuvimbela ucingo oluhlanganisiwe ukuthi lungathuthwa ukuvuza kwePowder noma ukuqhuqhana kwenzeka ngesikhathi senqubo

Isiphetho se-6

• Ukondla inqubo yocingo lwe-spheroidizing inenani lokungezelela kwe-alloy ephansi, izinga lokumuncwa eliphakeme le-Mg, futhi inganciphisa ngempumelelo intuthu nokungcola kokukhanya okuqinile e-workshop, idale izinzuzo ezinhle zezomnotho nezemvelo kumabhizinisi asungula.
• Inqubo yokondla intambo inqubo ye-spheroidization inganciphisa ngempumelelo izinga lokwehluleka kwe-spheroidization, ithuthukise ikhwalithi ye-nodular cast iron, ithuthukise izakhiwo zayo eziphelele, futhi ithuthukise ukuncintisana emakethe kwebhizinisi.
• Isisekelo ngasinye kufanele sikhethe imingcele yenqubo efanelekile yocingo lwe-spheroidization ngokuya ngezimo zayo zokukhiqiza nezidingo zenqubo yomkhiqizo, kuhlanganiswe nesipiliyoni sokukhiqiza sontanga.

Inqubo yokuphakela umugqa wokuphrinta ingathuthukisa kakhulu ukuzinza kwekhwalithi yensimbi ye-nodular cast, inciphise izindleko zokukhiqiza, ithuthukise indawo yokukhiqiza, futhi inciphise namandla abasebenzi. Lo mkhuba wokuthuthuka wakamuva wenqubo ye-spheroidizing.

Sicela ugcine umthombo nekheli lale ndatshana ukuze uphinde uprintwe: FInqubo yokwelashwa kwe-Wire Method Ductile Iron

UMinghe Inkampani yeDie Casting anikezelwe ekukhiqizeni nasekuhlinzekeni ikhwalithi nokusebenza okuphezulu Izingxenye Zokulingisa (izingxenye zensimbi zensimbi zokufa zisebenza ikakhulukazi zibandakanya I-Thin-Wall Die Casting,I-Hot Chamber Die Casting,Cold Chamber die Casting), Insizakalo Eyindilinga (Insiza Yokulingisa,ICnc Machining,Ukwenza Okubandayo, Surface Treatment) .Noma ikuphi ukusakazwa kwe-Aluminium die, i-magnesium noma i-Zamak / zinc die casting nezinye izidingo zokuphosa zamukelekile ukuxhumana nathi.

Ngaphansi kokulawulwa kwe-ISO9001 ne-TS 16949, Zonke izinqubo zenziwa ngamakhulu emishini esezingeni eliphakeme yokufa, imishini ye-5-axis, nezinye izikhungo, ezisukela kuma-blasters kuya kumishini yokuwasha ye-Ultra Sonic.Minghe akagcinanga ngemishini esezingeni eliphezulu kepha futhi unobuchwepheshe iqembu lonjiniyela abanolwazi, ama-opharetha nabahloli ukwenza ukwakheka kwekhasimende kugcwaliseke.

Umenzi wenkontileka yokufa kwabasikiwe. Amandla afaka izingxenye ezibandayo ze-aluminium die casting ezivela ku-0.15 lbs. kuye ku-6 lbs., Ukusetha ushintsho olusheshayo, nemishini. Izinsizakalo ezingezwe ngenani zifaka phakathi ukupholisha, ukudlidliza, ukuphazamisa, ukuqhumisa ngokudubula, ukupenda, ukuhlobisa, ukumboza, ukuhlangana nokusetshenziswa kwamathuluzi. Izinto zokusebenza ezisetshenzisiwe zifaka ama-alloys afana no-360, 380, 383, no-413.

I-Zinc die casting design usizo / izinsizakalo zobunjiniyela ezihambisanayo. Umenzi wangokwezifiso we-precision zinc die castings. Ukusakazwa okuncane, ukukhishwa kwengcindezi ephezulu, ukusikeka kwesikhunta esiningi, ukujikijelwa kwesikhunta okuvamile, ukufefa kwamayunithi kanye nokuzimela okuzimele kanye nokuvalwa okuvaliwe komgodi kungenziwa. Ama-Castings angenziwa ngobude nobubanzi obufinyelela ku-24 in. Ku +/- 0.0005 in. Ukubekezelelana.  

I-ISO 9001: Umkhiqizi oqinisekisiwe ka-2015 we-die cast magnesium, Amandla afaka i-high-pressure magnesium die casting up to 200 ton chamber hot & 3000 ton cold chamber, designing designing, polishing, molding, machining, powder & liquid paint, QA full with CMM amakhono , inhlangano, ukupakisha nokulethwa.

Kuqinisekiswe i-ITAF16949. Insiza Eyengeziwe Yokulingisa Faka ukukhipha utshalomali,ukuphonsa kwesihlabathi,Ukuphonswa kwamandla, Lost Foam Ekubunjweni,I-Centrifugal Casting,Ukuphoswa Kokuqothula,Permanent Isikhunta Ukulingisa, Amakhono afaka i-EDI, usizo lobunjiniyela, ukumodeliswa okuqinile nokucutshungulwa kwesibili.

Izimboni Zokulingisa Izingxenye Zamacala Ezifundo Zezimoto: Izimoto, Amabhayisikili, Izindiza, Izinsimbi Zomculo, I-Watercraft, Amadivayisi we-Optical, Izinzwa, Amamodeli, Amadivayisi we-elekthronikhi, Ukuvaleka, Amawashi, Imishini, Izinjini, Ifenisha, Ubucwebe, AmaJig, Telecom, Ukukhanyisa, Amadivayisi Wezokwelapha, amadivayisi wezithombe, Amarobhothi, okubaziwe, okokusebenza komsindo, okwezemidlalo, i-Tooling, Amathoyizi nokuningi. 

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By Umkhiqizi weMinghe Die Casting | Izigaba: Izindatshana Eziwusizo |Material Omaka: I-Aluminium Casting, Zinc Ukulingisa, Ukulingiswa kweMagnesium, I-Titanium Casting, Insimbi Engagqwali, Brass Ekubunjweni,Ukulingiswa kweBronze,Isakaza ividiyo,Umlando wenkampani,I-Aluminium Die Casting | Amazwana Off