Inqubo yokwelashwa kokuncibilikisa insimbi okwenziwe ngamakhemikhali nezindaba ezidinga ukunakwa

Ukuphathwa kokuhlanganiswa kwensimbi kungalandelwa emuva kuma-1930s naku-1940. Ukwelashwa okuhlanganisiwe kwenziwe ukweqa okusemgangathweni kuzakhiwo zensimbi yensimbi. Ngasikhathi sinye, ezinye izinsimbi ezikhethekile zensimbi ezifana nokuqina kokugqokwa, ukumelana nokugqwala nokumelana nokushisa kuzelwe. Ukusetshenziswa kwe-inoculation ukukhiqiza insimbi yensimbi nakho kwakhiqizwa ngalesi sikhathi. Ngasekupheleni kwawo-1940, insimbi ene-graphite eyindilinga ngemuva kokufakwa inoksiyisi yathatha indawo yensimbi evamile ye-flake graphite cast. Lolu hlobo lwensimbi silubiza ngokuthi yinsimbi.

Ukuhlukaniswa kwama-spheroidization nezakhi ze-despheroidization

Izakhi ze-spheroidizing ngokuvamile zihlukaniswe ngamaqembu amathathu ngokuya ngomphumela wazo we-spheroidizing.

• Iqembu lokuqala: Mg, Y, Ce, La, Pr, Sm, Dy, Ho, Er.
• Iqembu lesibili: Ba, Li, Cs, Rb, Sr, Th, K, Na.
• Iqembu lesithathu: Al, Zn, Cd, Sn.
• Iqembu lokuqala linamandla okuqhakambisa ubuqhawe, iqembu lesibili elelesibili, bese elelesithathu libuthakathaka.
• Lapho i-magnesium isetshenziswa njenge-spheroidizing element, iqembu lesithathu lezinto livame ukukhiqiza umphumela we-de-spheroidizing.

Izakhi ze-Despheroidizing: I-Sulphur ne-oxygen yizinto ezijwayelekile zokuncishiswa kwensimbi. Ngaphezu kwalokho, i-Ti, i-Al, i-B, i-As, i-Pb, i-Sn, i-Sb, i-Bi, i-Te, i-Se, njll. Ithebula elinamathiselwe lihlukaniswa ngokwendlela yokusebenza kwalo.

Ungayikhetha kanjani i-ejenti ye-spheroidizing

Ama-nodulizers kanye nama-inoculants yizinto ezibaluleke kakhulu kunqubo ye-spheroidization. Ngaphezu kwekhwalithi ezinzile, lezi zinto ezilandelayo zidinga ukucatshangelwa lapho ukhetha i-nodulizer efanelekile.

• Izinga lokushisa kwe-spheroidizing: Uma izinga lokushisa kwe-spheroidizing likhulu kune-1480 ℃, ukusabela oku-spheroidizing kuzoba kukhulu kakhulu, kuholele kuzinga lokumunca le-magnesium eliphansi. Ukuze wenze ukusabela kwe-spheroidizing kuzinze, i-ejenti ye-spheroidizing enokuqukethwe okuphezulu kwe-calcium kungakhethwa. Uma izinga lokushisa lokuphotha lingaphansi kuka-1480 ° C, i-ejenti yokuqhafaza enokuqukethwe kwe-calcium ephansi ingasetshenziswa.
• Usayizi wesikhwama sokwelashwa: Uma isilinganiso sokuphakama nobubanzi besikhwama sokwelashwa singu-1: 1, ukulahleka komphunga we-magnesium kuzonciphisa isilinganiso sokumunca se-magnesium. Kunconywa ukusebenzisa i-ejenti ye-spheroidizing enokuqukethwe okuphezulu kwe-calcium. Uma isilinganiso sokuphakama ukuya kububanzi sephakeji yokwelashwa kungu-2: 1, ukusabela kwe-spheroidization kuzoqina kancane, umusi we-magnesium uzosakazeka ube yinsimbi encibilikisiwe, futhi nezinga lokumunca le-magnesium lizothuthukiswa.
• Inqubo ye-spheroidization: Uma indlela yekhava ingasetshenziswa, intuthu eyenziwe ukuphendula kwe-spheroidization izongena emkhathini futhi ikhiqize ukukhanya okumhlophe okukhazimulayo. Ukuze wenze ukusabela kwe-spheroidizing kuzinze, i-ejenti ye-spheroidizing ene-magnesium ephansi ne-calcium ephezulu ingasetshenziswa. Uma usebenzisa inqubo ye-cap-and-wrap, insimbi encibilikisiwe ngeke ichaphaze futhi ikhiqize intuthu encane. Ungasebenzisa i-ejenti ye-magnesium ephezulu ne-calcium spheroidizing ukunciphisa inani nokunciphisa izindleko ze-spheroidization.
• Icubungula isisindo: Uma isisindo sensimbi esincibilikisiwe esizocutshungulwa singaphansi kuka-500kg, khona-ke i-ejenti ye-spheroidizing enosayizi wezinhlayiyana ezincane ingasetshenziswa, futhi ne-spheroidizing agent enosayizi wezinhlayiyana eziyi-12mm noma ngaphansi iyanconywa. Uma isisindo sensimbi encibilikisiwe singama-500 ~ 1000kg, i-ejenti ye-spheroidizing enosayizi omkhulu wezinhlayiyana ingasetshenziswa, njenge-ejenti ye-spheroidizing enobukhulu bezinhlayiyana ezi-3-25mm. Uma isisindo sensimbi esincibilikisiwe singaphezu kuka-1000kg, i-ejenti ye-spheroidizing engu-4 ~ 32mm ingasetshenziswa.
• Okuqukethwe kwe-Silicon: Uma umkhiqizo wokusakaza unenqubo ephansi yesivuno noma isilinganiso esisheshayo sokulahla, kuyathandeka ukwengeza izinto eziningi zomlilo nezinsimbi ezilahliwe zokuncibilikisa, futhi ukuphonsa kokugcina kunezidingo eziqinile kokuqukethwe kwe-silicon yensimbi encibilikisiwe. Ngaphansi kwesisekelo sokuthi ivolumu yokufaka inoculation ayikwazi ukwehliswa ngokuqhubekayo, i-ejenti ephansi ye-silicon spheroidizing ingasetshenziselwa ukwelashwa, ukuze kufakwe i-8% kuya ku-15% yempahla yokuvuselela, enganciphisa izindleko zokukhiqiza zesisekelo.

Okuqukethwe kwesulfure kuketshezi lensimbi eluhlaza: Uma okuqukethwe kwesulfure kuketshezi lensimbi eluhlaza kuphezulu, uma ukwelashwa kwe-desulfurization kungenziwa, kudingeka i-high-magnesium, i-nodulizer yomhlaba engajwayelekile kakhulu, futhi inani lokungezwa lizoba likhulu. I-ejenti ye-spheroidizing ene-magnesium ephansi nomhlaba ongavamile ingasetshenziswa, futhi inani elengeziwe lizoba liphansi, futhi izindleko ze-spheroidizing ejenti ene-magnesium ephansi nomhlaba ongajwayelekile zizoshibha.

Izindlela ezahlukahlukene ze-spheroidization

Njengamanje, izindlela ezisetshenziswa kakhulu ze-spheroidization zimi ngale ndlela elandelayo: indlela yokucubungula ngaphakathi kwepakethe (kufaka phakathi indlela yokushaya ngqo, indlela yesangweji nendlela yokumboza), thayipha indlela yangaphakathi ye-spheroidization, indlela yokugeleza, inqubo yokwelashwa ye-magnesium emsulwa (kufaka phakathi indlela yokupakisha core-packing method) Indlela yomugqa). Ubuhle nobubi balezi zindlela ze-spheroidization bethulwa kafushane ngale ndlela elandelayo.

• Indlela yokwelashwa kwephakeji: Le inqubo ejwayelekile kakhulu ye-spheroidization, futhi inezinhlobonhlobo zezinhlelo zokusebenza. Le nqubo ingasetshenziselwa izingxenye zezimoto ezincane njengamakhilogremu ambalwa nezingxenye zamandla omoya ezinkulu njengamashumi amashumi wamathani. Izinga lokumunca le-Magnesium liphezulu kunayo yonke indlela yekhava, elandelwa indlela yesamentshisi. Okubi ukuthi izinga lamanje lokuzenzakalela aliphezulu, kanti ezinye izimboni zemishini yasekhaya zakha izinhlelo zokuphakela okuzenzakalelayo.
• Thayipha indlela yangaphakathi ye-spheroidization: Azikho izisekelo eziningi ezisebenzisa le nqubo, ngoba ukushiyeka kwale nqubo kusobala. I-slag ekhiqizwa inqubo ye-spheroidization kwesinye isikhathi ingena emgodini, idale ukukhubazeka kokufakwa kwe-slag futhi ikhiqize imikhiqizo kadoti. Ngaphezu kwalokho, le nqubo ye-spheroidizing inezidingo eziphakeme emazingeni okushisa nokugeleza kwensimbi encibilikisiwe, ngaphandle kwalokho i-spheroidization izobe ingalingani.
• Indlela yokugeleza: Njengoba igama lisho, indlela yokugeleza is spheroidizing ngokugeleza kwensimbi encibilikisiwe egumbini lokuphamba eligcwele i-ejenti ye-spheroidizing. Njengamanje, le nqubo ayisetshenziswa kakhulu. Inzuzo ukuthi izinga lokuzenzekelayo liphakeme kakhulu; Okubi ukuthi inezidingo eziqinile kuzinga lokushisa nokugeleza kwensimbi encibilikisiwe.
• Inqubo ye-magnesium spheroidization emsulwa: kwesinye isikhathi ibizwa ngokuthi inqubo ephezulu ye-magnesium spheroidization, njengamanje kunezindlela ezimbili eziyinhloko, indlela engaphansi kwenkontileka kanye nendlela yocingo ekhethiwe. Ubuhle bale ndlela ukuthi inezinga eliphakeme lokuzenzakalela futhi ilungele ukuvikelwa kwemvelo; Okubi ukuthi izinga lokumunca le-magnesium liphansi, futhi likhiqiza intuthu eningi kanye ne-slag.

Isithombe esinamathiselwe siqhathanisa izinqubo ezahlukahlukene ze-spheroidizing ngokuya ngentuthu, i-slag, nezinga lokumunca le-magnesium ..

Izinyathelo zokuqapha zokukhiqiza i-ductile iron

Manje fingqa kafushane izindaba ezidinga ukunakekelwa ekukhiqizeni i-ductile iron.

• Okuqukethwe kwesibabule nezinye izinto zokulandela umkhondo ketshezi lensimbi oluhlaza akufanele kube phezulu kakhulu. Uma okuqukethwe kwesibabule nokuqukethwe kwezinye izakhi zokulandela umkhondo kwensimbi yokuqala encibilikile kuphezulu kakhulu, kudingeka i-ejenti ethe xaxa ye-spheroidizing noma i-ejenti ye-spheroidizing enokuqukethwe okuphezulu komhlaba okungajwayelekile kuyadingeka, ukuze izindleko zomenzeli we-spheroidizing zikhuphuke, futhi i-spheroidizing eyeqile I-ejenti izodala i-slag eningi, engahambisani nokuqina kwekhwalithi yokusakaza. Okuqukethwe komhlaba okungajwayelekile kakhulu kuzokhiqiza kalula i-graphite ehlukanisiwe kusigaba esikhulu.
• Ukuzinza kwe-spheroidization. Inqubo ye-spheroidizing inqubo esemqoka ekukhiqizeni i-nodular cast iron. Kuphela lapho inqubo ye-spheroidizing izinzile lapho ikhwalithi yokuphosa izinzile. Ngemikhiqizo ehlukile, okuqukethwe okwehlukile okuluhlaza oketshezi okusansimbi, ukuthi kufanele kufakwe i-spheroidizing agent, i-inoculant, njll., Kufanele kubhalwe emfundweni womsebenzi futhi kusetshenziswe ngokuqinile
• Gwema izikhathi zokulinda ezinde. Ngemuva kokwelashwa kokufakwa kwe-spheroidization, ukuthulula kufanele kwenziwe ngokushesha. Ngoba ngokuhamba kwesikhathi, i-magnesium esalayo izoshisa futhi umphumela wokugonywa uzoncipha.
• Gwema okuqukethwe okusalile kakhulu kwe-magnesium. Okuqukethwe okusalile kwe-magnesium kuzokhulisa ukuthambekela kokuncipha kokuphonswa. Ngensimbi ejwayelekile ye-ductile, okuqukethwe okusele kwe-magnesium (ingxenyenamba yesisindo) kufanele kulawulwe ngaphakathi kuka-0.035% ~ 0.045%, futhi ngensimbi ephezulu ye-nickel ductile, okuqukethwe okusele kwe-magnesium kufanele kulawulwe ngaphakathi kuka-0.06% ~ 0.07%.
• Sebenzisa ama-inoculants angcono ekusakazeni ngezidingo eziphakeme. Ezingxenyeni zamandla omoya nezingxenye zesitimela esinejubane elikhulu ezinezidingo eziphakeme, i-flow inoculant enamandla wokufaka inoculation (njenge-Ultraseed / Ce enelungelo lobunikazi kufanele ikhethwe. Isici sayo ukuthi ingakhuphula kakhulu inani lemikhakha ye-graphite, futhi ama-graphite sphere ahlanganisiwe.

Sicela ugcine umthombo nekheli lale ndatshana ukuze uphinde uprintwe:Inqubo yokwelashwa kokuncibilikisa insimbi okwenziwe ngamakhemikhali nezindaba ezidinga ukunakwa

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. 

Yini esingakusiza ukuthi uyenze ngokulandelayo?

∇ Iya ekhasini eliyisiqalo For I-Die Casting China

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