I-High Pressure Die Casting (I-HPDC) kuyashesha, Inqubo yokuqamba yensimbi eqondile esetshenziswa ezimbonini ezifana nezimoto ne-aerospace. Ifaka insimbi encibilikisiwe ibe isikhunta ngejubane eliphezulu nengcindezi, ukukhiqiza okuyinkimbinkimbi, Izingxenye ezinembile ezinezindawo ezibushelelezi.
Ingcindezi ephezulu die casting inqubo yokuphonsa esebenzisa ingcindezi.
Umgomo wayo oyisisekelo ukujova insimbi ebilisiwe noma ye-semi-molten (ngokuyinhloko izinsimbi ezingezona ezingezinhle kanye nama-alloys abo njenge-aluminium, zinc, i-magnesium, kanye nethusi) emgodini wesikhunta sensimbi esenziwe ngaphambilini (okubizwa ngokuthi yi-die casting kufa) ngaphansi kwengcindezi ephezulu (imvamisa amashumi kumakhulu ama-megapascass) nesivinini esikhulu (imvamisa amashumi amamitha amabili ngomzuzwana) Usebenzisa uhlelo lokujova.
I-molten metal ngokushesha igcwalisa umgodi, kubanjwa ngaphansi kwengcindezi, kupholisa, futhi iqinile, Ekugcineni kwakha ukuphonswa kosayizi owufunayo.
Yini ingcindezi ephezulu iyafa
Ngenxa yengcindezi yayo ephezulu, Izici eziphakeme kakhulu, I-HPDC ingakhiqiza izingxenye ezinciphile, kukhange kahle, kunembe kakhulu, Ikhwalithi enhle ebusweni, futhi ingenziwa ngempumelelo ephezulu kakhulu.
Ukuhamba komsebenzi okuyisisekelo kokucindezela okuphezulu kwe-die casting ngokujwayelekile kufaka izinyathelo ezilandelayo:
Inqubo yokugeleza kwengcindezi ephezulu iyafa
Wonke umjikelezo mfushane kakhulu; Ezingxenyeni ezincane, amashumi noma ngisho namakhulu emijikelezo angaqedwa ngomzuzu.
Kususelwa esimweni esihlobene nokusebenza kwegumbi lomjovo maqondana nensimbi encibilikisiwe, I-HPDC ngokuyinhloko ihlukaniswe ngezinhlobo ezimbili:
Ingcindezi ephezulu die cast isebenzisa ama-alloys wensimbi angewona ama-ferrous, kukhethwe ngezakhiwo zabo ezizuzisayo zokuphonsa kanye nezimpawu zobunjiniyela ezilungele inqubo nezinhlelo zokusebenza zokusetshenziswa.
Izilinganiso zokukhethwa kwezilonda ezifana nesisindo, amandla, izindleko, Izidingo ze-Thermal, kanye nokuqeda okudingekayo.
Ama-Aluminium Alloys ngokukhethwa okuvame kakhulu kwe-HPDC, Inani lokuhlanganiswa kwalo okuhle kwesisindo esikhanyayo, isilinganiso esihle samandla nesisindo, high conductivity ezishisayo, kanye nokuphikiswa okuhle kokugqwala.
Ukukhohlisa kwabo kuvumela ama-geometries ayinkimbinkimbi kanye nezindonga ezincanyana, Ubenze bakhuphuke ezintweni ezihamba ngezimoto njengamabhulokhi enjini kanye nezindlu zokudlulisela, kanye nokufakwa kwe-elekthronikhi kanye nokushisa kokushisa.
Amamaki athandwayo afaka i-A380 futhi I-ADC12.
Ingcindezi ephezulu iyafa casting alluminium alloys
I-Zinc Alloys ivelele izinhlelo zokusebenza ezifuna ukugcwala okuhlukile kanye nokuqedwa komhlaba ophakeme.
Iphoyinti labo eliphansi eliphansi linika amandla ukukhiqizwa kwezingxenye eziyinkimbinkimbi ngezindonga ezincane kakhulu nemininingwane emihle, imvamisa usebenzisa imishini eshisayo eshisayo esheshayo.
Lokhu kwenza ama-zinc alloys, njengeZamak 3 noZamak 5, Ilungele i-hardware yokuhlobisa, izingxenye zokunemba, I-Automotive Trim, futhi izingxenye zidinga ukufakwa kwekhwalithi ephezulu.
Magnesium alloys yi-Go-to Option lapho unciphisa isisindo ukubekwa phambili ngokuphelele.
Njengezinsimbi ezilula kakhulu ezihlelekile ezivame ukufa, Banikeza isilinganiso esivelele sokuqina kwesisindo, Umthamo omuhle wokuncipha, kanye nokuvikelwa kwemvelo kwemvelo.
I-Alloys efana ne-AZ91D iya ngokuya itholakala ezintanjeni zezimoto okuhlose ukuncishiswa kwesisindo (njengamafreyimu wokuqondisa amasondo) nasezintweni eziphathwayo ze-elekthroniki, Yize kudinga ukuphathwa ngokucophelela ngenxa yokuvuselelwa okuphezulu.
Ama-alloys ethusi, ngokuyinhloko ama-bresses nama-bronzes, zisetshenziswa kaningi ku-HPDC ngenxa yamaphoyinti abo aphezulu ancibilikayo, okunciphisa kakhulu impilo efa futhi kwandise izindleko zenqubo.
Nokho, zikhethwe ukuthola izinhlelo ezithile zifuna amandla aphezulu, Ukumelana Nokugqoka Okuhle, ukumelana nokugqwala okuhle, noma ukuqina kukagesi okuphakeme.
Izibonelo zifaka phakathi izingxenye ezithile zamapayipi, Hardware kagesi, nezingxenye ezivimbela ukugqoka njengama-bushings, kuvame ukucutshungulwa kusetshenziswa imishini ebandayo eChander.
Izinsimbi ezinobuqili njengensimbi nensimbi ngokuvamile azihambelani nenqubo ye-HPDC ngenxa yamazinga okushisa awo ancibilikayo.
Ngemuva kokuqonda izinzuzo nezinzuzo, Isinqumo sokusebenzisa i-HPDC sidinga ukucubungula lezi zimo ezibalulekile ezilandelayo:
Into efunekayo:
-Khwithithita ukukhiqizwa kwesisindo (imvamisa amashumi ezinkulungwane, amakhulu ezinkulungwane, noma ngisho nezigidi zezingxenye).
Isisusa:
Izindleko ze-HPDC zifa nemishini ephezulu kakhulu.
Ngokukhiqizwa kwezinga eliphakeme kuphela lapho lezi zindleko eziphezulu ezihleliwe zikhishwe ngaphezulu kwengxenye ngayinye, Ukuthola izindleko eziphansi zeyunithi kanye nokusebenza kwezomnotho jikelele.
Ngokuvamile kubiza kakhulu ngokukhiqizwa kwevolumu ephansi noma ye-prototype.
Umthamo Wokukhiqiza
Into efunekayo:
Idizayini yengxenye ifaka izindonga ezincanyana (isib., ngaphansi kuka-3mm), amaphakethe ajulile, izimo eziyinkimbinkimbi, noma Imininingwane evulekile.
Isisusa:
Ingcindezi ephezulu ye-HPDC, Amandla wokugcwalisa anesivinini esikhulu avumela ukuthi agcwalise ngempumelelo ama-cavities ayinkimbinkimbi, ukukhiqiza izakhiwo ezingcolile nezibucayi ezingcolile kunzima ukufeza ezinye izindlela zokuphonsa.
Into efunekayo:
Ingxenye idinga ukunemba okuphezulu okuphezulu futhi ukubekezelelana okuqinile, Ukuhloselelwa Kwezingxenye Zesimo Eseduze Net-Net.
Isisusa:
I-HPDC ikhiqiza izingxenye eziqinile ezizinzile ngokuphindaphindwa okuhle, ukunciphisa kakhulu noma ukuqeda isidingo semishini elandelayo, Ngaleyo ndlela wehlise izindleko eziphelele nesikhathi sokukhiqizwa.
Ukubekezelela kwengcindezi ephezulu yokufa kwezindawo
Into efunekayo:
Ingxenye idinga a Ukuqedwa Okuphezulu Kwekhwalithi ephezulu Ngenxa yezizathu zobuhle noma ukuhlanganiswa okulandelayo, indawo ebhekene, noma okunye ukwelashwa okungaphezulu.
Isisusa:
Indawo ebushelelezi yensimbi yokufa kwensimbi iphinde yaphindwa ngokuqondile kwindawo yokuphonsa.
I-HPDC imvamisa ihlinzeka ngokuqeda okungcono kwenqubo enjengezinqubo ezinjengokuphonsa kwesihlabathi.
Into efunekayo:
Izinto ezidingekayo zengxenye yi- I-alloy engeyona eye-ferrous efanelekile ukufa kokusakaza, kuqala i-aluminium, zinc, noma ama-magnesium alloys.
Isisusa:
Inqubo ye-HPDC ngokwayo ibeka izidingo ezithile endaweni yokuncibilika ye-Matering, ubisi, Ukuvuselelwa kokufa, njll.
Ngenkathi ama-alloys ethuni angafa, Kuyinselele enkulu futhi kubize. Izinsimbi ezinobuhlakani (insimbi, insimbi) ngokuvamile azicutshungulwa kusetshenziswa i-HPDC.
Into efunekayo:
Izidingo Zokusebenza Okuqala (Njengamandla, ubulukhuni) ingahlangatshezwa yi- "As-cast" Properties ye-alloy efakile.
Ukwemthetho Akubandakanyi ukuqina kwengcindezi ebucayi (Ngaphandle kokuthi amasu akhethekile anjenge-vacuum die cast asetshenziswa), ayifuni i-actility ephezulu kakhulu noma ubulukhuni, futhi ayidingi ukwelashwa okulandelanayo okulandelayo noma ukwelashwa okushisa okuhloswe ngawo amandla okuthuthukisa amandla / ubulukhuni (njengekhambi + ukuguga).
Isisusa:
Izingxenye ze-HPDC zingaqukatha i-microscopic poor, okuthinta ukuqina kwengcindezelo, i-ductility, Ukuphila Kokukhathala.
Ama-pores anjalo angadala ukukhala noma ukuhlanekezela phakathi kokwelashwa okushisa okuphezulu.
Isakhiwo esimiswe kahle esivela ekupholiseni okusheshayo sihlinzeka ngobulukhuni obuhle kakhulu namandla alinganiselayo, Kepha ubunzima obuphelele bungaphansi kokubikwa noma izingxenye ezenziwe ngezinye izindlela zokuphonsa / zemishini.
Into efunekayo:
Ngemuva kokuhlola okuphelele, Uma ucabanga ngokukhiqiza okuphezulu, Izindleko eziphelele ze-HPDC (ithuluzi + Izindleko zokukhiqiza iyunithi + Izindleko ze-Post-Processing) iphansi kunezinye ezinye izindlela zokukhiqiza ezisebenzayo (Njengomashini, ukuphonsa umfutho ophansi, Amandla adonsela phansi, I-Metal Injesction Ukubumba Mim, njll.).
Isisusa:
Ukukhetha inqubo kuvame ukuqhutshwa yizomnotho. Umuntu kufanele alinganise iyunithi eliphansi le-HPDC libiza inzuzo ngenani eliphakeme ngokumelene nokutshalwa kwemali okuphezulu okuphezulu nokulinganiselwa kokusebenza okuthile.
Into efunekayo:
Ubukhulu bengxenye nesisindo siwela ngaphakathi kohlu oluvumelekile lwamandla okubulala umshini, Umthamo we-Shot, namakhono okufa asayizi.
Isisusa:
Izingxenye ezinkulu kakhulu noma ezisindayo zingadlula amakhono emishini ejwayelekile ye-HPDC, Okungaba khona okudinga ukucatshangelwa kwezinye izindlela zokuphonsa noma ukukhiqiza izingcezu ezihlukile.
Ingxenye yengxenye yengcindezi ephezulu iyafa
Ngokufigqiwe, Ingcindezi ephezulu yokufa okufa imvamisa iyindlela yokuncintisana kakhulu futhi engabizi kakhulu lapho iphrojekthi ifuna ukukhiqizwa kwesisindo se-aluminium, zinc, noma izingxenye ze-magnesium alloy ezibandakanya ukwakheka okuyinkimbinkimbi, izindonga ezincanyana, ukunemba okuphezulu, kanye nokuqedwa okuhle komhlaba, kuhlinzekelwe ukuthi izidingo ezimbi kakhulu zokuzwakala kwangaphakathi (njengokuqina kwengcindezelo) kanye nokwelashwa okushiyweni okulandelayo / ukufudumala akukhona.
Ukuqonda kangcono izici ze-HPDC nezinhlelo zokusebenza ezifanele, ukuqhathanisa nezinye izinqubo ezivamile zokuphonsa kuyasiza.
Ukuqhathanisa okusemqoka kufaka phakathi ingcindezi ephansi die casting (I-LPDC), Amandla adonsela phansi (kufaka phakathi ukusakazwa kwesihlabathi kanye nokudonsela phansi okuhlala njalo kokudonsela phansi), kanye nokutshala imali (Ukuphonsa ngokunemba).
Isici | I-High Pressure Die Casting (I-HPDC) | I-Low Pressure Die Casting (I-LPDC) | I-Gravity Die Casting (Isikhunta saphakade - GDC / PM) | Amandla adonsela phansi (I-Sand Casting) | Investment Casting |
---|---|---|---|---|---|
Ukugcwalisa ingcindezi | Phezulu kakhulu (Amashumi kumakhilogremu e-MPA) | Phansi (0.05-0.15 I-MPa) | Amandla adonsela phansi kuphela | Amandla adonsela phansi kuphela | Amandla adonsela phansi kuphela noma amancane |
Ukugcwalisa ijubane | Ngokushesha kakhulu (Amashumi omS / s) | Kancane, -Lowudwa | Kancane | Kancane | Kancane |
Isilinganiso sokukhiqiza | Phezulu kakhulu | Okuphezulu | Maphakathi | Okuphansi ku-Medium | Phansi |
Izindleko Zokusebenza | Phezulu kakhulu | Phezulu | Okuphezulu | Phansi (Iphethini elilula / akukho kubumba unomphela) | Okuphezulu (Shona + Ingcina + Igobolondo) |
Izindleko zeyunithi (I-Vol ephakeme) | Phansi | Okuphakathi nendawo | Maphakathi | Maphakathi | Phezulu |
Inkambiso eyinkimbinkimbi | Phezulu (inqobo. udonga oluncane, inkimbinkimbi) | Okuphezulu | Maphakathi | Maphakathi (kuya ngenqubo yokubumba) | Phezulu kakhulu (Izici Zangaphakathi Eziyinkimbinkimbi) |
Udonga olungafinyeleleka | Mncane kakhulu (phansi ku-0.5mm) | Mncane (ngokuvamile > 2-3mm) | -Yisimunsaka (ngokuvamile > 3-4mm) | -Shubile (ngokuvamile > 3-5mm) | Mncane kubukhulu, inkululeko ephakeme ephezulu |
Ukunemba kweDimensional | Phezulu kakhulu | Phezulu | Okuphezulu | Phansi | Phezulu kakhulu |
I-Surface Qeda | Kuhle kakhulu | Kuhle | Kuhle kahle | Impofu | Kuhle kakhulu |
Ukuzwakala kwangaphakathi | Kuphakathi (Phenya kugesi, i-porosity) | Phezulu (Ukugcwaliswa okubushelelezi, ukuqondisa okuqinile.) | Okuphezulu | Kuphakathi (Ukufakwa kwesihlabathi, i-porosity) | Phezulu (Kungcono ngaphansi kwe-ATM ye-vacuum / elawulwayo) |
Ukwelashwa Kokushisa | Impofu (Ama-pores angaphakathi adala ukukhala) | Kuhle | Kuhle | Kuya nge-alloy & iziphambeko | Kuhle |
Izinto Ezisebenzayo | Ikakhulukazi al, Zn, I-MG Alloys; abanye nge | Ikakhulukazi ama-alloys a; ezinye ze-mg alloys | Ikakhulukazi al, I-CU Alloys; ezinye zensimbi, Mg | Cishe zonke izinsimbi ezinamandla (Fe, Insimbi) | Cishe zonke izinsimbi ezinamandla (khikothanaturance. Ama-Superlloys, insimbi) |
Ivolumu efanelekile | -The | Medium to volume ephezulu | Medium to volume ephezulu | Ucezu olulodwa, Okuphansi kwevolumu ephezulu | Ivolumu ephansi |
Ukukhethwa kwenqubo yokuphonsa kuncike ekulinganiseni izidingo ezithile zohlelo lokusebenza.
Ubuchwepheshe obuphezulu bokufa kwengcindezi buyaqhubeka nokuvela, ngezitayela ezibalulekile kufaka phakathi:
I-High Pressure Die Casting (I-HPDC), Njengokusebenza kahle kakhulu, Ubuchwepheshe obuqondile bokukhiqiza obukwazi ukukhiqiza izingxenye zensimbi eziyinkimbinkimbi, Ibamba isikhundla esingenakufinyeleleka embonini yanamuhla.
Naphezu kokulinganiselwa okufana nokutshalwa kwezimali okuphezulu okuphezulu kanye nokuba semaphukule ekuzuzeni, Izinzuzo zayo ezibalulekile ekusebenzeni kokukhiqiza, ukunemba kobukhulu, kanye nokusebenza kwezindleko kumanani aphezulu kuholele ekusetshenzisweni okusakazekile kuzo zonke izimoto, electronics, izimpahla zabathengi, neminye imikhakha eminingi.
Ngentuthuko eqhubekayo yezobuchwepheshe kanye nezinto ezintsha ezintweni zokwakha, izinqubo, okuzenzakalelayo, nobuhlakani, I-HPDC ilungele ukuthuthukiswa okwengeziwe, Ukunikela ngezixazululo eziphakeme kakhulu nezincintisana nazo zezwe lokukhiqiza.
shiya impendulo