Umxhuzulane die casting, eyaziwa ngokubaukuphosa ngundo esisigxinaokanye i-chill casting, yinkqubo yokuphosa eyaziwayo esetyenziselwa ukwenza amacandelo esinyithi kwiintlobo ngeentlobo zezicelo zamashishini. Ngokungafaniyo nokuphosa isanti kunyeutyalo mali, i-gravity die casting isebenzisa ii-molds eziphinda zisetyenziswe ezenziwe ngentsimbi okanye intsimbi, enika umgangatho ophezulu wokuchaneka kunye nokugqitywa kwendawo. Kweli nqaku, siza kuxoxa ngenkqubo yokuphosa itshati yomxhuzulane, iinzuzo zayo, kunye nokusetyenziswa kwayo.
Itshathi yokuHamba kweNkqubo yokuFaka koMxhuzulane:
Umxhuzulane die ukuphosa inkqubo flow itshati inokohlulwa ngokwezigaba eziliqela, kubandakanywa ukulungiswa ngundo, ukunyibilika isinyithi, indibano yokubumba, ukuphosa, ukugqiba, kunye nokuhlolwa. Ngezantsi sisishwankathelo esinenkcukacha zenqanaba ngalinye:
- Ukulungiselela ukungunda:
Inyathelo lokuqala kwinkqubo yokuphosa i-gravity die kukulungisa ukungunda ukuphosa. Isikhunta ngokuqhelekileyo senziwe ngentsimbi okanye intsimbi etyhidiweyo kwaye yenzelwe ukuvelisa imilo efunekayo yemveliso yokugqibela. Ngaphambi kokuba inkqubo yokuphosa iqale, umngundo kufuneka ucocwe kakuhle kwaye uhlolwe ukuqinisekisa ukuba akukho ziphene okanye umonakalo. Nakuphi na ukulungiswa okufuneka kwenziwe kwi-mold kufuneka kwenziwe kweli nqanaba.
- Ukunyibilika kwesinyithi:
Emva kokuba i-mold ilungisiwe, isinyathelo esilandelayo kukunyibilikisa isinyithi esiza kugalelwa kwi-mold. Ngokuxhomekeke kuhlobo lwentsimbi ephoswayo, iindidi ezahlukeneyo zomlilo zingasetyenziselwa le nkqubo, kubandakanywa i-arc furnaces yombane, i-induction furnaces, kunye ne-gas-fired cupolas. Isinyithi ngokuqhelekileyo sifudumala kwiqondo lokushisa ngaphezu kwendawo yokunyibilika kwayo, kwaye nayiphi na into engcolileyo okanye i-alloying agents zongezwa kweli nqanaba.
- Indibano yokungunda:
Emva kokuba isinyithi sincibilikile, i-mold ihlanganiswe kwaye ilungiselelwe ukuphosa. Ukungunda ngokwesiqhelo kwenziwa ziziqingatha ezibini, esinye isiqingatha simi kwaye esinye isiqingatha siyashukuma. Iziqingatha ezibini zilungelelanisiwe kwaye zibotshwe kunye, kwaye naziphi na iindlela zokungena eziyimfuneko okanye iindlela zokunyuka zongezwa ukuqinisekisa ukuhamba kakuhle kwesinyithi kwi-mold.
- Isahlulo:
Emva kokuba i-mold ihlanganiswe, isinyithi esityhidiweyo sigalelwa kwi-mold ngokusebenzisa uluhlu lwamasango kunye nokunyuka. Intsimbi igcwalisa i-cavity ye-mold kwaye iqina, ithatha i-shape ye-mold. Umxhuzulane usetyenziselwa ukunyanzela intsimbi ukuba ibe ngundo, yiyo loo nto le nkqubo ibizwa ngokuba yi-gravity die casting.
- Ukugqibezela:
Emva kokuba isinyithi siqinile kwaye sipholile phantsi, i-mold ivuliwe, kwaye i-casting isusiwe. Nayiphi na imathiriyeli engaphezulu okanye i-flash eshiyekileyo kwi-casting iyasikwa kusetyenziswa izixhobo ezahlukeneyo zokugqiba ezifana neesarha, iigrinder kunye neesanders. Ukuphosa ke kuyacocwa kwaye kupolishwe ukufezekisa umphezulu ofunekayo.
- Uhlolo:
Inqanaba lokugqibela kwinkqubo yokuphosa i-gravity die kukuhlolwa. Ukuphosa kuhlolwa ngokucokisekileyo naziphi na iziphene okanye ukungafezeki okunje ngokuqhekeka, i-voids, okanye i-porosity. Naziphi na iziphene ezifunyenweyo ziyalungiswa, kwaye ukuphosa kuyajongwa okokugqibela phambi kokuba kuthunyelwe ukuqhutyelwa phambili okanye ukudibanisa.
Izinto eziluncedo kwiGravity Die Casting:
- Ukuchaneka okuphezulu kunye nokuzinza kwe-dimensional
- Ukugqitywa komphezulu ogqwesileyo kunye nesisombululo seenkcukacha
- Amaxesha emveliso akhawulezayo xa kuthelekiswa nokugalelwa kwesanti okanye utyalo-mali
- Indleko-esebenzayo kwinani elikhulu lamalungu
- Ilungele uluhlu olubanzi lwesinyithi kubandakanya i-aluminiyam, ubhedu, kunye nobhedu.
Usetyenziso lweGravity Die Casting:
I-Gravity die casting isetyenziswa kwiintlobo ngeentlobo zezicelo zemizi-mveliso apho kufuneka amacandelo esinyithi aphezulu. Eminye imizekelo eqhelekileyo iquka:
- Iindawo zemoto ezifana neebhloko zenjini, iintloko zecylinder, kunye neemeko zothumelo
- Izixhobo ze-aerospace ezifana neeblade ze-iturbine kunye neendawo zesakhiwo
- Izinto zombane ezifana neziguquli, ii-switchgear, kunye nee-conductor
- Oomatshini bemizi-mveliso abanjengeempompo, iivalvu, kunye nezinto zokufakelwa
- Izixhobo zemidlalo ezifana neeklabhu zegalufa, iireli zokuloba, kunye neefreyimu zebhayisekile.
Isiphelo:
Ukuphoswa komxhuzulane kuyindlela esebenzayo nengabizi kakhulu yokwenza amacandelo esinyithi anokugqiba okugqwesileyo komphezulu kunye nokuchaneka komda. Ngeengenelo zayo ezininzi kunezinye iinkqubo zokuphosa, ukujula komxhuzulane lukhetho oludumileyo kuluhlu olubanzi lwezicelo zamashishini. Ngokuqonda itshati yokuhamba kwenkqubo yokuphosa umxhuzulane, abavelisi banokuqinisekisa ukuba iimveliso zabo zikumgangatho ophezulu kwaye ziyahlangabezana neemfuno zabathengi babo.