Ulwazi Lokuncibilikisa I-Die Casting Alloys

Izimo Zomzimba Nezamakhemikhali Zenqubo Yokuncibilikisa

Ingxubevange ukuncibilikisa yingxenye ebalulekile yenqubo yokufa. Inqubo yokuncibilikisa akukhona nje ukuthola insimbi encibilikisiwe, kepha okubaluleke kakhulu, ukuthola ukwakheka kwamakhemikhali okuhlangabezana nezidingo, ukuze abalingisi bakwazi ukuthola isakhiwo esihle se-crystal nensimbi enegesi encane kakhulu kanye nokufakwa.

Ngesikhathi senqubo yokuncibilikisa, ukuxhumana phakathi kwensimbi negesi kanye nokuhlangana phakathi kwensimbi encibilikisiwe ne-crucible kubangela ushintsho ekwakhiweni, okuholela ekufakweni nasekuhogelweni. Ngakho-ke, ukwakha imigomo yenqubo yokuncibilika efanele nokuyisebenzisa ngokuqinile kuyisiqinisekiso esibalulekile sokuthola ukusakazwa kwekhwalithi ephezulu.

1. Ukuxhumana phakathi kwensimbi negesi

Ngesikhathi senqubo yokuncibilikisa, amagesi okuhlangatshezwana nawo yi-hydrogen (H2), i-oxygen (O2), umhwamuko wamanzi (i-H2O), i-nitrogen (i-N2), i-CO2, i-CO, njll. Lawa magesi ancibilika ngensimbi encibilikisiwe noma ahlangane nawo. umphumela.

2. Umthombo wegesi

Igesi ingangena kuketshezi lwe-alloy kusuka kugesi yomlilo, ulwelwesi lwesithando somlilo, izinto zokusetshenziswa, ukugeleza, amathuluzi, njll.

3. Ukusebenzisana phakathi kwensimbi ne-crucible

Lapho izinga lokushisa lokuncibilikisa liphezulu kakhulu, i-iron crucible iphendula ngokushesha nge-zinc liquid, futhi ukusabela kwe-iron oxidation kwenzeka ebusweni be-crucible ukwakha ama-oxide afana ne-Fe2O3; ngaphezu kwalokho, into yensimbi nayo iphendula uketshezi lwe-zinc ukwakha i-FeZn13 compound (zinc slag), encibilika kuketshezi lwe-zinc. Ubukhulu bodonga lwe-iron crucible buyehla njalo buze busulwe.

Ukuncibilika Kokulawula Ukushisa

1.Die-thusi lokushisa

Iphuzu lokuncibilika kwengxube ye-zinc esetshenziselwa ukusakaza okufa kungama-382 ~ 386 ℃, futhi ukulawula ukushisa okufanele kuyisici esibalulekile ekulawuleni ukwakheka kwe-zinc alloy. Ukuze kuqinisekiswe uketshezi oluhle kuketshezi lwe-alloy ukugcwalisa umgodi, izinga lokushisa lensimbi encibilikisiwe ebhodweni le-zinc lomshini wokuphonsa u-415 ~ 430 ℃. Umkhawulo ophezulu wezinga lokushisa lokuphonsa izingxenye ezincanyana nezibiyelwe zingathathwa; umkhawulo ophansi wezingxenye ezijiyile futhi ezilula ungathathwa. Ukushisa kwensimbi encibilikisiwe esithandweni sokuncibilikisa esiphakathi kungu-430 ~ 450 ℃. Ukushisa kwensimbi encibilikisiwe engena ku-gooseneck ngokuyisisekelo kufana nokushisa embizeni ye-zinc.

Izinga lokushisa elithulwayo lingalawulwa ngokunembile ngokulawula izinga lokushisa le-zinc encibilikisiwe ebhodweni le-zinc Futhi ufeze:

• Metal Insimbi encibilikisiwe iwuketshezi oluhlanzekile olungenawo ama-oxide;
• ② Izinga lokushisa elithululayo alihlali lishintsha.

Ukulimala kokushisa ngokweqile:

• ① Burning aluminium kanye magnesium izakhi.
• Increases Isivinini se-oxydation yensimbi siyakhula, ukulahleka okushisayo kuyenyuka, kanye ne-zinc dross iyanda.
• Effect Umphumela wokunwetshwa okushisayo uzobangela ikhanda lesando lihlangane.
• Insimbi eyengeziwe iyancibilika ku-alloy ku-cast iron crucible, futhi ukuphendula phakathi kwe-zinc nensimbi kuyasheshiswa emazingeni okushisa aphezulu. Izinhlayiya ezilukhuni zamakhemikhali e-iron-aluminium intermetallic akhiwa, abangela ukugqokwa ngokweqile ekhanda lesando naku-gooseneck.
• Consumption Ukusetshenziswa kukaphethiloli kuyanda ngokufanele.

Izinga lokushisa eliphansi kakhulu: Ingxubevange ine-fluidity embi, engakulungeli ukwakha futhi ithinte ikhwalithi ephezulu yokuphonswa kokufa.

Izimbiza zamanje zokuncibilika komshini wokufa zisebenza ngamasistimu wokulinganisa nokulawula. Emsebenzini wansuku zonke, ukuhlolwa okujwayelekile kusetshenziselwa ikakhulukazi ukunemba kwezinsimbi zokulinganisa izinga lokushisa. Ama-thermometer aphathekayo (ama-thermometer) asetshenziselwa ukukala nokulungisa izinga lokushisa langempela lesithando somlilo njalo.

Izinyunyana ezinokuhlangenwe nakho zokufa zibona ukuncibilika ngeso lenyama. Uma ukuncibilika kungabonakali kahle futhi kucacile ngemuva kokukhuhla, i-slag ayikhuphuki ngokushesha, ekhombisa ukuthi izinga lokushisa lifanele; uma ukuncibilika kubukeka kakhulu, kukhombisa ukuthi izinga lokushisa liphansi; Isendlalelo seqhwa leqhwa liyavela ebusweni obuketshezi ngemuva kwe-slag, futhi i-slag inyuka ngokushesha okukhulu, okukhombisa ukuthi izinga lokushisa liphakeme kakhulu futhi kufanele lilungiswe ngesikhathi.

2. Ukugcina kanjani izinga lokushisa lizinzile

• ① Enye yezindlela ezinhle kakhulu: sebenzisa isithando somlilo esincibilikisayo nendawo yomshini wokuphonsa odongeni njengesithando sokubamba ukugwema izinguquko ezinkulu zokushisa lapho i-zinc ingot ifakwa ngqo ebhodweni le-zinc ukuze incibilike. Ukuncibilikisa okugxile kungaqinisekisa ukuzinza kokwakheka kwe-alloy.
• Second Indlela yesibili enhle kakhulu: ukusetshenziswa kohlelo lokuphakela okuzenzakalelayo kwensimbi oluthuthukisiwe kungagcina isivinini sokudla okuzinzile, izinga lokushisa kwe-alloy liquid kanye ne-zinc pot level level.
• ③ Uma izimo zokukhiqiza zamanje zingukudla okuqondile ebhodweni le-zinc, kunconywa ukufaka yonke ingxube ye-ingot ngasikhathi sinye ukwengeza ama-ingots amancane ama-alloy kaningi ukunciphisa ushintsho lokushisa olubangelwa ukondla.

3. Ukukhiqizwa nokulawulwa kwe-zinc slag

Kuyinqubo eyinkimbinkimbi yomzimba namakhemikhali ukuncibilikisa ingxubevange isuka kokuqinile iye kuketshezi. Igesi iphendula ngensimbi encibilikisiwe ngamakhemikhali, futhi ukusabela komoya-mpilo yikhona okuqine kakhulu, futhi ingaphezulu le-alloy lifakwe i-oxidized ukukhiqiza inani elithile lesikhohlela. Amanyela aqukethe ama-oxide nezinhlanganisela ze-intermetallic zensimbi, i-zinc ne-aluminium. Amanyela asuswe ebusweni bencibilika ngokuvamile aqukethe cishe i-90% ye-alloy zinc. Izinga lokuphendula lokwakheka kwamalahle e-zinc landa kakhulu njengoba izinga lokushisa lenyuka.

Ngaphansi kwezimo ezijwayelekile, ukukhishwa kwe-slag kwe-zinc alloy ingot engaphansi kwe-1%, ebangeni le-0.3 ~ 0.5%; ngenkathi ukukhishwa kwe-slag kwemibhobho yokulungisa kanye nemfucuza yokusebenza imvamisa iphakathi kuka-2 no-5%.

Ukulawulwa kwenani likadoti we-zinc

• Control Lawula ngokuqinile ukushisa okuncibilikayo, lapho izinga lokushisa likhuphuka, i-zinc dross iyanda.
• ② Gwema ukunyakaza ketshezi le-alloy embizeni ye-zinc ngangokunokwenzeka, noma iyiphi indlela yokugudluza izokwenza uketshezi oluningi lwe-alloy luxhumane nama-athomu e-oksijini emoyeni, ngaleyo ndlela kwakheke isigaxa esithe xaxa.
• Not Musa ukulala njalo. Lapho ingxubevange encibilikisiwe ivezwa emoyeni, izokwengeza i-oxidize futhi yakhe isikhafu. Ukugcina ungqimba oluncane lwesikhunta ebusweni besithando kuzosiza ukuthi uketshezi olusembizeni lungaphinde lube ne-oxidized.
• ④ Uma ugoqa, sebenzisa i-slag pory (Ф6 mm) emise okwe-disc ukuze uklwebhe ngobumnene ngaphansi kwesikhunta ukugwema ukuyaluza kuketshezi lwe-alloy ngangokunokwenzeka, bese ucosha i-slag esikiwe. Ngqongqoza kancane ukuze insimbi encibilikile ibuyele embizeni ye-zinc.

Ukwelashwa kukadoti we-zinc

• ① Ithengise futhi kumthengisi wezinto ezingavuthiwe noma embonini ekhethekile yokucubungula, ngoba izindleko zokuzicubungula zingaphezulu.
• ② Isitshalo sokujikijela isidumbu sisiphatha sodwa. Kudingeka isithando somlilo esihlukile, futhi izinga lokushisa le-zinc slag likububanzi obungu-420 kuye ku-440 ° C. Faka ukugeleza ngasikhathi sinye. Ukuncibilikisa i-100 kg ye-slag, kudingeka ukuthi kungezwe u-0.5 ~ 1.5 kg we-flux, oqala ukusatshalaliswa ngokulinganayo ebusweni bensimbi, bese uxutshwa ngokulinganayo nensimbi encibilikisiwe ne-stirrer (cishe imizuzu emi-2 ~ 4). Ngemuva kokubamba imizuzu emi-5, indawo izokhiqiza Isendlalelo sifana nokungcola, ngakho-ke siklwebhe.
• Izinto zokwakha umlomo wombhobho, izingxenye zemfucuza ezilungisa izinto zomlomo wombhobho, imfucuza, izindawo zikadoti, izinto zokusebenza ezilahliweyo, njll., Akufanele zifakwe ngqo ebhodweni le-zinc lomshini wokuphonsa ukuze uqede kabusha. Isizathu ukuthi ebusweni balezi zinto zombhobho ziboshelwe ngesikhathi sokwenza inqubo yokufa, futhi okuqukethwe kwe-zinc oxide kuphakeme kakhulu kunalokho kwe-ingloy yokuqala ingot. Lapho lezi zinto zombhobho zilungiswa embizeni ye-zinc, ngoba i-zinc oxide isesimweni se-viscous ngaphansi kwezimo zokushisa okuphezulu, Lapho ikhishwa ebhodweni le-zinc, kuzothathwa inani elikhulu lezinto ze-alloy. Inhloso yokulungisa kabusha impahla yombhobho nezinye izinto ukuhlukanisa kahle i-zinc oxide ne-alloy liquid. Amanye ama-solvent kufanele engezwe ngesikhathi sokuncibilikisa futhi asetshenziswe ngemuva kokufakwa ku-ingot.

4. Ukuqedwa kwemfucumfucu ekhethiwe

Imfucumfucu ekhiqiza ugesi kufanele incibilikiswe ngokwahlukana nodoti ongasebenzisi ugesi, ngoba ithusi, i-nickel, i-chromium nezinye izinsimbi ezikudoti we-electroplating azincibiliki ku-zinc futhi zizoba yizinhlayiya ezilukhuni ku-zinc alloy, okuzodala ubunzima bokupholisha nokwenza imishini.

Ngesikhathi sokuxolelwa kwesigaxa se-electroplating, naka ukuhlukanisa okokumboza ku-alloy zinc. Faka isigaxa se-electroplating ku-crucible equkethe ukuncibilika kwe-zinc alloy kuqala. Ngalesi sikhathi, ungavuseleli ukuncibilika noma ungeze ukugeleza. Sebenzisa okokumboza ukuze ube nendawo yokuncibilika ephezulu. Ngeke incibilike ku-alloy, kepha izontanta ebusweni bencibilika isikhathi sokuqala. Lapho incibilike ngokuphelele, vumela isembozo esingama-crucible sime imizuzu eyi-15-20 ukubona ukuthi akukho sibi yini ngaphezulu, bese usula isikhunta sihlanzekile. Ngemuva kwale nqubo, sizobona ukuthi kuyadingeka yini ukwengeza i-ejenti yokucwenga.

Izihloko ezidinga ukunakwa ekusebenzeni kokuncibilikisa

• 1. I-Crucible: Kumele ihlanzwe ngaphambi kokusetshenziswa ukususa uwoyela, ukugqwala, i-slag ne-oxide ebusweni. Ukuze uvimbele into yensimbi ku-cast iron crucible ekuqothulweni ku-alloy, i-crucible kufanele ifudunyezwe ibe ngu-150 ~ 200 ℃, fafaza ungqimba wepende ebusweni obusebenzayo, bese ufuthelana ku-200 ~ 300 ℃ ukususa ngokuphelele amanzi kupende.
• 2. Amathuluzi: Ngaphambi kokusebenzisa amathuluzi okuncibilikisa, kufanele kususwe ukungcola okungaphezulu, bese izingxenye ezihlangana nensimbi zifudunyezwe zifudunyezwe futhi zipendwe. Ithuluzi akumele limanziswe, ngaphandle kwalokho lizodala ukuqhuma nokuqhuma.
• 3. Ingxubevange yezinto: hlanza uphinde ushise ngaphambi kokuncibilikisa ukususa umswakama okhonjiswe ebusweni. Ukuze ulawule ukwakheka kwe-alloy, kunconywa ukuthi kusetshenziswe okungu-2/3 kwento entsha ne-1/3 yento esetshenzisiwe kabusha.
• 4. Ukushisa okuncibilikayo akumele kweqe ku-450 ° C.
• 5. Hlanza isikhunta ebusweni obuketshezi ebhodweni le-zinc ngesikhathi, gcwalisa okokusebenza kwe-zinc ngesikhathi, futhi ugcine ukuphakama okujwayelekile kwezinga lokuncibilika (hhayi ngaphansi kuka-30 mm kumphezulu we-crucible), ngoba umgqomo omningi futhi Izinga loketshezi oluphansi kakhulu kulula I-slag yezinto ezibonakalayo ingena kwisilinda se-gooseneck, ihlunga insimbi, ikhanda lesando kanye nesilinda uqobo, okuholele ekuxakaniseni kwekhanda lesando, i-gooseneck nesigaxa sekhanda lesando.
• 6. Isikhunta esincibilikayo sinyakaziswa ngobumnene nge-slag scraper ukuze sinqwabelene ukuze sisuswe.

Sicela ugcine umthombo nekheli lale ndatshana ukuze uphinde uprintwe: Ulwazi Lokuncibilikisa I-Die Casting Alloys

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