Inqubo Yokuncibilikisa Yensimbi Ye-Ductile Iron

Enqubeni yendabuko yokukhiqiza yensimbi ye-ductile, cishe i-10% yesikhumba se-carbon ngokuvamile sisetshenziselwa izithako. Le ndatshana isebenza kuphela ngezinkinga ezithile okufanele zinakwe kakhulu enqubweni yokukhiqiza ngemuva kokukhulisa inani lesikhutha sekhabhoni esisetshenzisiwe ekukhiqizeni i-ductile iron esithandweni sokungeniswa. Ngokomkhuba wokukhiqiza, umbhali ubeka eyakhe imibono ukuze kubhekiswe ozakwabo.

Ukukhethwa kokukhokhiswa

(1) Insimbi Yensimbi

Isigaxa esisetshenziswe ekukhiqizeni i-ductile iron kufanele sibe yisigaxa sekhabhoni. Akufanele ibe nezinto ezivimbela i-graphitization, njenge-chromium. Akufanele iqukathe ama-alloying element anti-spheroidizing. Izigaxa zensimbi ezilahliwe kufanele zibe cishe ngama-30% ngohlobo lwama-flakes aminyene, angabekwa phansi esithandweni somlilo.

(2) I-Recarburizer

• I-coke yekhwalithi ephezulu. Okuqukethwe kwesibabule kufanele kube phansi, isigaxa singama-60-80mm, futhi sinamandla aphezulu. Ayikwazi ukuchobozwa ngemuva kokushiswa.
• BlockSebenzisa i-electrode block. Kungcono ukuba nobude obuthile ukuze kube lula ukusika insimbi encibilikisiwe.

(3) Insimbi Yensimbi

Isetshenziselwa ikakhulukazi ukulungisa okuqukethwe kwekhabhoni yensimbi encibilikisiwe. Ngiyethemba ukusebenzisa insimbi yengulube ephezulu enesibabule esine-wC> 4%. Okuqukethwe kwe-silicon ensimbi yengulube kuphakeme ngokufanele, futhi ukukhiqizwa kwe-nodular cast iron kungaba yi-ferrosilicon encane.

(4) Ukuqhakambisa ubuqhawe

I-spheroidizing agent ne-inoculant zisetshenziswa ngokuya ngamasu wendabuko, futhi zinqunywa ngokuya ngezimo zangempela zefektri ngayinye.

Nciphisa

Inqubo yokuncibilikisa: Coke block + insimbi eyilahliwe → ibhulokhi ye-electrode → ukwanda kwamazinga okushisa → khipha i-coke block ne-electrode block → isampula bese uhlaziya okuqukethwe kwekhabhoni → insimbi yengulube → izinto zokubuyisa → isampula bese uhlaziya i-Si, Mn → ukwanda kokushisa → i-ferromanganese + ferrosilicon → ukukhipha → Inoculation + spheroidization → ukuthulula.　

Izinyathelo zokuphepha ngesikhathi senqubo yokuncibilikisa yilezi ezilandelayo:

• Ibhlokhi le-coke lifakwe ezansi kwesithando somlilo, inhloso yokwakha isikhathi esinde sokufaka ibhlogo le-coke ensimbi ebunjiwe. Inani le-coke block lingaba ngu-5% wesamba. Cishe ama-50% ezinto ezilahliwe ancibilikile, futhi i-coke kufanele imbozwe ngosigaxa olunamandla lwe-flake. Kungenzeka futhi ukusebenzisa imfucumfucu ye-electrode block engama-60-80 mm esikhundleni se-coke ezofakwa ezansi kwesithando njenge-recarburizer, enokuqukethwe kwesibabule okuphansi, okuzuzisa kakhulu ukuthola i-ductile iron esezingeni eliphakeme.
• Isilinganiso sensimbi esetshenzisiwe ikakhulu sinqunywa ngokusebenza kahle kokukhuphuka kwekhabhoni. Kubakhiqizi abaqala ukusebenzisa le ndlela ukukhiqiza i-ductile iron, cishe i-30% ingcono. Ngemuva kokwenza ngcono ukwanda kwekhabhoni, kancane kancane kwandisa inani lensimbi eyilahliwe. Ukusetshenziswa ngokweqile kwensimbi eyilahliwe, uma ukwanda kwekhabhoni kungakhuphuki kakhulu, kuzothinta i-carbon silicon elinganayo nomkhiqizo wokugcina.
• Ngemuva kokuncibilika kwensimbi eyilahliwe, faka induku ye-electrode ukuze ukhuphule izinga lokushisa esithandweni ngokufanele futhi wandise ukusebenza kahle kwekhabhoni. Kodwa-ke, ukushisa kwesithando somlilo kuphakeme kakhulu, okwandisa ukusetshenziswa kwamandla futhi kuyalimaza ulwelwesi lwesithando somlilo.
• Ngemuva kokuthi okuqukethwe kwekhabhoni kulinganiselwa ukuthi kuphakeme ngokwanele, khipha i-coke block ne-electrode rod, bese usampula uphinde uhlaziye okuqukethwe yikhabhoni.
• Ngokuya ngemiphumela yokuhlaziya, bala inani le-pig iron elengeziwe kanye nenani lensimbi esetshenzisiwe esetshenzisiwe esetshenzisiwe.
• Thola ukuthi inani eliphelele lensimbi encibilikisiwe lingenziwa yini ngezinto ezilungisiwe ngokususelwa ekulinganisweni kokuqukethwe kwe-silicon.
• Ngemuva kokuncibilika kwempahla yokuvuselela, thatha isampula uphinde uhlaziye okuqukethwe yi-Si, Mn nezinye izinto ezi-alloying.
• Khulisa ngokufanele ukushisa kwensimbi encibilikisiwe, engeza izakhi zokuhlanganisa ngokuya ngemiphumela yokuhlaziya, bese ufaka i-ferrosilicon ngaphambi kokuba isithando sifinyelele ekushiseni kwesithando somlilo.
• I-ferrosilicon iyancibilika ibe yisimo esincibilikisiwe futhi ikhishwe ngokushesha esithandweni somlilo.
• I-spheroidization, inoculation, nokuthela kwenziwa njengokujwayelekile.

Ukubalwa kokulungiswa kwesakhiwo

Njengoba sonke sazi, izakhiwo ezenziwa nge-ductile iron zixhomeke kakhulu ekwakhekeni kwamakhemikhali, izinga lokupholisa (i-as-cast ductile iron) kanye nenqubo yokwelashwa kokushisa. Ukwakheka kwamakhemikhali kuyimbangela yangaphakathi, impande, nokuhlukahluka, cishe sonke isithando somlilo sihlukile. Ngakho-ke, kuyadingeka ukuqinisa ukutholwa kwezakhi zamakhemikhali futhi kwenziwe ukulungisa ngokucophelela, futhi akufanelekile ukwamukela "ukukhiqizwa kwesilinganiso esimisiwe". Ekubunjweni kwamakhemikhali, okulingana nekhabhoni kubaluleke kakhulu. Ikakhulukazi, i-nodular cast iron ekhiqizwa ngokusebenzisa insimbi eyisigaxa njengokushaja okuyinhloko, ngoba ukusebenza kahle kokukhuphuka kwekhabhoni kunzima ukukulawula, futhi okulingana nekhabhoni kuyashintshashintsha kakhulu, ngakho-ke kufanele kunakwe ngokukhethekile ukulungisa okulingana nekhabhoni.

• Bala inani lengulube yensimbi engeziwe. Bala inani le-pig yensimbi engezwe ngokuya ngokuhlaziywa kokuqukethwe kwekhabhoni. Eqinisweni, ukulungisa i-carbon elinganayo ne-nodular cast iron ukuze i-carbon elinganayo incibilike eyakhiwe yinsimbi yengulube kanye nensimbi eyilahliwe ifinyelele ekulinganisweni kwekhabhoni okudingekayo ngensimbi ye-nodular cast. Inani le-pig iron lengeziwe = inani le imvuthuluka yongezwa × (okuqukethwe kwekhabhoni okudingekayo kokuhlaziywa kwe-ironular-analysis of carbon content) / (okuqukethwe kwekhabhoni kwengulube yensimbi-okuqukethwe kwekhabhoni okudingekayo kwe-nodular cast iron)
• Ukubalwa kwenani elengeziwe lensimbi esetshenzisiwe esetshenzisiwe kabusha I-carbon elinganayo nensimbi eyenziwe kabusha ye-ductile yiyona ejwayelekile, futhi inani elingeziwe alilikhulu. Ngakho-ke, ngemuva kokufakwa kwensimbi evuselelwe, okuqukethwe kwekhabhoni yensimbi encibilikisiwe esithandweni sonke kuyafaneleka.Inani le-nodular cast iron lengezwe esithandweni = inani eliphelele lokushaja-inani lensimbi eyilahliwe-inani lengulube i-iron ingeziwe
• Ukulinganiswa kokuqukethwe kwe-silicon Ifomula yokubala imi kanjena: Okuqukethwe kwe-Silicon ≈ ((insimbi eyilahliwe + insimbi yengulube + inani lokufakwa kwensimbi eligoqiwe) × okuqukethwe kwe-silicon / inani eliphelele] × 100% content okuqukethwe kwesilicon okuvumelekile kwensimbi yokuqala encibilikisiwe Lapho kulinganiselwa i-silicon okuqukethwe kuphezulu kakhulu, engeza inani elincane le-ductile yensimbi esetshenzisiwe kabusha, bese usebenzisa inani elifanayo lensimbi yengulube kanye nodoti ngesilinganiso esingu-9: 1 ukwenza inani eliphelele.
• Ukubalwa kokungezwa kwe-Ferrosilicon Ifomula yokubala imi kanjena: Inani le-ferrosilicon lengeziwe = [inani eliphelele lokushaja × (okuqukethwe kwesilicon okudingekayo kokuqukethwe kwe-silicon okwenziwe nge-iron nge-inoculation-kwandiswe okuqukethwe kwe-silicon ngokuhlaziywa kwe-spheroidization-ukuhlaziywa kokuqukethwe kwe-silicon)] / okuqukethwe kwe-silicon kwe-ferrosilicon
• Inani lama-manganese nezinye izinto zokuxuba ezifakiwe libalwa ngokulandelayo: Inani le-alloy iron lengeziwe = inani eliphelele lokukhokhiswa × (okuqukethwe okudingekayo kwe-alloy kokuqukethwe kokuhlaziywa kwensimbi kwe-ductile) / okuqukethwe kwe-alloy element ku-alloy ironUkulahleka okushisayo akuyona kufakwe ezibalweni ezingenhla.

Lokhu kungenxa yokuthi i-nodular cast iron iyancibilika esithandweni sokungeniswa, futhi izakhi azishiswanga kakhulu, futhi nensimbi nayo ishile ngezinga elithile. Uma uhlangabezana nezimo ezikhethekile, kufanele unake ukushisa.

Isibonelo sokulungiswa kwesakhiwo:

• Usebenzisa isithando somlilo sika-1t ukukhiqiza i-pearlitic ductile iron QT800-2, isisindo sokusakaza ngu-1000kg.
• "Ukwakheka kwamakhemikhali okulawula ngu: wC = 3.5%, wSi = 2.5%, wMn = 0.5%, wP <0.07%, wS <0.02%, wMg = 0.03% ～ 0.06%, wRE = 0.02% ～ 0.04%.
• Ngemuva kokuphindwa kabusha, okuqukethwe kwekhabhoni "kwensimbi encibilikisiwe" esithandweni kungu-2.5%.
• Inani lensimbi yengulube lengeziwe = 300 × (3.5% -2.5%) / (4% -3.5%) = 600 (kg)
• Inani le-nodular cast iron elisetshenziswe esithandweni = 1000-300-600 = 100 (kg)
• Kulinganiselwa okuqukethwe kwe-silicon = (300 × 0.3% ＋ 600 × 1.8% ＋ 100 × 2.5%) × 100% = 1.42%
• Uma okuqukethwe kwe-silicon ye-nodulizer kungu-0.6% futhi okuqukethwe kwe-silicon ye-inoculant kungu-0.4%, okuqukethwe kwe-silicon yensimbi yokuqala encibilikisiwe kufanele kube ngu-1.5%, okungaphezulu kokuqukethwe okulinganiselwe kwe-silicon. Ngalokhu, i-Z18 cast iron ingasetshenziselwa ukulungisa okulingana nekhabhoni, futhi i-ductile iron esetshenzisiwe kabusha ingasetshenziswa ukwenza inani eliphelele lokukhokhiswa.
• Okuqukethwe kwe-silicon kungu-1.38% kanti okuqukethwe kwe-manganese kungu-0.15% ngaphambi kokukhishwa kwesithando somlilo.
• IFerrosilicon ingezwe inani = [1000 (2.5% -0.6% -0.4% -1.38%)] / 75% = 1.6kg
• Inani elengeziwe leFerromanganese = [1000 (0.5% -0.15%)] / 65% = 5.4kg

I-4. Amazwi okuphetha

Ekhiqizweni kwesithando somlilo sikagesi, sisebenzisa insimbi eyilahliwe ukukhiqiza i-QT800-2, amandla ayi-800 ～ 1000MPa, futhi ukunwebeka kungaphezu kwe-4%.

Njengamanje, kunezinsimbi eziningi ezilahliwe ezimakethe, i-pig iron iyabiza, futhi insimbi yezingulube esezingeni eliphakeme iyindlala kakhulu. Ngakho-ke, siphakamisa ukuthi abakhiqizi abanemisebenzi yokukhiqiza i-nodular cast iron bangabheka lokhu kucabanga okushiwo ngenhla futhi "ukufaka insimbi esikhundleni sensimbi" ukukhiqiza i-nodular cast iron.

Sicela ugcine umthombo nekheli lale ndatshana ukuze uphinde uprintwe:Inqubo Yokuncibilikisa Yensimbi Ye-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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