
2026-07-20
Ukuphoswa kwentsimbi yewax, okwakwaziwa njengokuphoswa kotyalo-mali okanye ukuphoswa kwewax elahlekileyo, yinkqubo yokwenziwa echanekileyo esetyenziselwa ukwenza iinxalenye zentsimbi ezintsonkothileyo ezinomphezulu obalaseleyo kunye nokunyamezelana okuqinileyo. Obu buchule bubandakanya ukwenza ipateni yewax, ukuyifaka kwiqokobhe le-ceramic, ukunyibilikisa i-wax, kunye nokugalela isinyithi esityhidiweyo kumngxuma obangelwayo. Yamkelwa ngokubanzi kwi-aerospace, amayeza, kunye namashishini eemoto, ukujula ngentsimbi yenza ukuveliswa kwejiyometri entsonkothileyo enzima okanye engenzekiyo ukufezekiswa ngezinye iindlela zokuvelisa.
Ukuphoswa kwentsimbi yewax yinkqubo yokwenziwa kwamanyathelo amaninzi emiliselwe kubuchwephesha bamandulo kodwa icocwe bubunjineli bale mihla. Umgaqo ongundoqo uxhomekeke kwingcamango "ye-wax elahlekileyo", apho imodeli ye-wax elahlayo ichaza ukuma kokugqibela kwenxalenye yentsimbi. Ngokungafaniyo nokuphosa isanti okanye ukuphosa ukufa, le ndlela ivumela ukuchaneka komgangatho ophezulu kunye nokukwazi ukuphosa i-alloys ephezulu yokunyibilika.
Inkqubo iqala ngokutofa i-wax kwi-metal die ukwenza ipateni. Iipateni ezininzi zihlala zidityaniswa kumthi we-wax osembindini ukuphucula ukusebenza kakuhle. Le ndibano ithi nkxu ngokuphindaphindiweyo kwi-ceramic slurry kunye ne-stuccoed ngeenkozo eziphikisayo ukwakha iqokobhe elishinyeneyo, elikwaziyo ukumelana nobushushu. Emva kokuba iqokobhe lukhuni, yonke iyunithi ifudunyezwa kwi-autoclave okanye kwisithando somlilo ukuze inyibilike kwaye ikhuphe i-wax, ishiya i-mold ceramic mold.
Isinyithi esinyibilikisiweyo sigalelwa emva koko kwiqokobhe leceramic eshushu ngaphambili phantsi kwevacuum okanye iimeko zoxinzelelo. Emva kokuba isinyithi siqinile kwaye sipholile, iqokobhe leceramic liyaphuka ngokungcangcazela okanye ngokuqhushumba kwamanzi. I-castings nganye iyasikwa emthini, kwaye nawaphi na amasango aseleyo okanye imiphetho erhabaxa iyasuswa ngokusila kunye nokupolishwa. Isiphumo siyinxalenye yentsimbi ekufutshane-netha-imilo efuna umatshini omncinci wesibini.
Ngexesha langoku ukujula ngentsimbi isebenzisa iiceramics eziphambili kunye ne-automation, ingqiqo esisiseko ibuyele kumawaka eminyaka. Impucuko yamandulo yayisebenzisa inyosi kunye nodongwe ukwenza izacholo kunye nezinto ezenziwe ngonqulo. Namhlanje, ishishini lithathe indawo yezinto eziphilayo kunye ne-wax eyenziwe kunye ne-slurries ekhethekileyo esekwe kwi-zircon ukuhlangabezana nemigangatho engqongqo yezoshishino.
Olu tshintsho luye lwaguqula inkqubo ukusuka kwi-artinal craft ibe sisisombululo sokuvelisa umthamo ophezulu. Amaziko akhoyo ngoku asebenzisa iingalo zokudipha iirobhothi kunye neziko ezilawulwayo zomoya ukuqinisekisa ukungaguquguquki. Ngaphandle koku kuxhuma kwezobuchwepheshe, ulandelelwano olusisiseko lokudalwa kwepateni, ukwakhiwa kweqokobhe, ukukhupha i-waxing, kunye nokugalela kuhlala kungatshintshi, kubonisa ukusebenza okungapheliyo kwendlela.
Umgangatho wokuphoswa kokugqibela uxhomekeke kakhulu kwiipropati zepateni ye-wax. Usetyenziso olwahlukileyo lufuna ukwakheka okuthe ngqo kwe-wax ukulungelelanisa ukuhamba, ukucutheka, kunye namandla. Ukukhetha uhlobo lwe-wax olufanelekileyo lubalulekile ekugcineni uzinzo lwe-dimensional kunye nokuqinisekisa ukutshiswa okucocekileyo.
Iingcali zeshishini ngokubanzi zihlela ukuphosa iiwax zibe ngamaqela amathathu aphambili ngokusekwe kubume bazo kunye nokusetyenziswa okujoliswe kuko. Uhlobo ngalunye lubonelela ngeenzuzo ezihlukeneyo ngokuxhomekeke kubunzima benxalenye kunye namanqanaba afunekayo okunyamezela.
Ukuqonda umahluko phakathi kwe-filler kunye ne-pattern wax kubalulekile ekuphuculeni inkqubo. Iipateni zewax zenzelwe ukushwabana okuphantsi kunye nokukhutshwa komphezulu ogudileyo kwinaliti. Ngokwahlukileyo, i-wax yokuzalisa inokuba namazinga aphezulu okucutheka kwaye ayifanelekanga ukuchaza imilinganiselo ebalulekileyo.
| Uphawu | Umzekelo Wax | Isigcwalisi / uMbaleki Wax |
|---|---|---|
| Umsebenzi oPhambili | Ichaza inxalenye yokugqibela yejometri | Yenza inkqubo yokungena okanye ilungise iziphene |
| Uzinzo lweDimensional | Phezulu kakhulu (Ukushwabana okuphantsi) | Phakathi |
| Umphezulu Gqiba | Egudileyo, enokufana nesipili | Ubume oburhabaxa bamkelekile |
| Iindleko | Ephakamileyo ngenxa yezongezo ezikhethekileyo | Ibakala elisezantsi, lempahla eninzi |
| Isiqulatho sothuthu | Iphantsi kakhulu (<0.05%) | Ukunyamezela okuphezulu kancinci |
Ukwenza ngempumelelo ukujula ngentsimbi umjikelo ufuna ukuthotyelwa okungqongqo kwindlela yokusebenza echaziweyo. Ukuphambuka kulo naliphi na inqanaba kunokukhokelela kwiziphene ezifana ne-porosity, ukuzaliswa okungaphelelanga, okanye ukungachaneki kwe-dimensional. La manyathelo alandelayo achaza inkqubo yokusebenza esemgangathweni esetyenziswa kwii-Foundries zobungcali.
Inkqubo iqala ngokudala i-aluminium okanye i-injection yensimbi yokufa, eyona nto imbi yenxalenye efunwayo. Umthwebeba onyibilikisiweyo utofwa kule kufa phantsi koxinzelelo olulawulwayo kunye nobushushu. Imijelo yokupholisa ngaphakathi kwifayibhile iqinisa i-wax ngokukhawuleza. Nje ukuba isetiwe, ipateni iyakhutshwa. Kwiindawo ezinzima, iziqwenga ezininzi ze-wax zinokutofwa kwaye kamva zidityaniswe kusetyenziswa izixhobo ezishushu.
Iipateni zewax zomntu ngamnye zincanyathiselwe kwi-wax sprue ephakathi okanye inkqubo yembaleki ukwenza "umthi." Le ndibano ivumela iindawo ezininzi ukuba zifakwe ngaxeshanye, ukwandisa umthamo wesithando somlilo kunye nokusetyenziswa kwempahla. Uyilo lokungena lubalulekile; kufuneka iququzelele ukuhamba kakuhle kwesinyithi ngelixa ivumela iigesi ukuba zibaleke ngexesha lokugalela.
Umthi wewax ufumana inkqubo yokwaleka ngokuphindaphindiweyo. Iqale ifakwe kwi-ceramic slurry, emva koko ihlanjwe kwisanti enqabileyo (stucco). Olu luhlu luyomisiwe phambi kwesicelo esilandelayo. Iidyasi eziziiprayimari zisebenzisa iinkozo ezintle kwiinkcukacha zomphezulu, ngelixa iidyasi ezigcinayo zisebenzisa izixhobo ezirhabaxa ukomelela. Lo mjikelo uyaphinda de iqokobhe lifike kubukhulu obufunekayo, ngokuqhelekileyo phakathi kwe-6 ukuya kwi-10 layers.
Umthi ogqunyiweyo ufakwe kwi-flash fire furnace okanye i-autoclave. Ukufudumeza okukhawulezayo kunyibilikisa i-wax, ekhupha ngokupheleleyo, ishiya umngxuma ongenanto. Lo ngumzuzu "we-wax elahlekileyo". Iqokobhe le-ceramic elingenanto ligxothwa kumaqondo obushushu aphezulu (ahlala edlula kwi-1000 ° C) ukunyanga isibophelelo kunye nokuphelisa nayiphi na intsalela yekhabhoni, ukuqinisekisa ukuba ukungunda kukulungele ukunyibilikiswa kwesinyithi.
Ngelixa iqokobhe lisashushu, isinyithi sinyibilika kwiziko elahlukileyo. Ii-alloys eziqhelekileyo ziquka insimbi engenasici, i-carbon steel, i-aluminium, kunye ne-superalloys. Isinyithi esityhidiweyo sigalelwa kwigobolondo le-ceramic eshushu ngaphambili. Uncedo lwevacuum lusetyenziswa rhoqo ukuzoba isinyithi sibe ngamacandelo amancinci kwaye kuthintelwe ukuvaleka komoya.
Emva kokupholisa, igobolondo ye-ceramic isuswa ngoomatshini, ihlala isebenzisa i-vibration okanye iijethi zamanzi ezinoxinzelelo oluphezulu. Umthi wesinyithi unqunyulwa ngokwahlukileyo ukwahlula ukubunjwa komntu ngamnye. Imisebenzi yokugqibela ibandakanya ukugawula iintsalela zesango, ukudubula ukudubula kokucoca umphezulu, kunye nokunyangwa kobushushu xa kufunwa yinkcazo yezinto.
Njengayo nayiphi na iteknoloji yokuvelisa, ukujula ngentsimbi inikezela ngeseti eyodwa yeenzuzo kunye nemiqobo. Ukuvavanya ezi zinto kunceda iinjineli ukuba zibone ukuba le ndlela ihambelana neemfuno zabo zeprojekthi malunga neendleko, umthamo kunye nokusebenza.
Amandla aphambili ale nkqubo alele kwinkululeko yayo yejometri. Inokuvelisa iipaseji zangaphakathi, ii-undercuts, kunye neegophe ezintsonkothileyo ezinokubiza kakhulu kumatshini osuka kwibillet eqinileyo. Ngaphaya koko, ukugqitywa komphezulu okuphunyezwe ngokuthe ngqo kubumba kugudileyo kakhulu kunokuphosa isanti, kunciphisa ixesha lasemva kokulungiswa.
Ngaphandle kokuguquguquka kwayo, inkqubo ayisebenzi jikelele. Iindleko zokuqala zokusebenzisa izixhobo (inaliti iyafa) inokuba phezulu, nto leyo eyenze ukuba ingabinako ukonga kwiiprototypes ezinomthamo ophantsi kakhulu ngaphandle kokuba kusetyenziswe izixhobo ezithambileyo. Ukongeza, ubungakanani benxalenye bukhawulelwe ngumthamo wee-injection ze-wax kunye nee-oveni zokuphilisa; izinto ezinkulu ngokugqithisileyo zifaneleke ngcono ukugalelwa kwesanti.
Amaxesha omjikelo nawo amade xa kuthelekiswa nokuphosa ukufa ngenxa yezigaba ezininzi zokudipha kunye nokomisa ezifunekayo kulwakhiwo lweqokobhe. Oku kwenza ukujula ngentsimbi ilunge kakhulu kwimveliso ye-ultra-high-volume ibaleka apho isantya singumqhubi ophambili, nangona i-automation iye yawuthoba kakhulu lo mba kwiminyaka yakutshanje.
Izakhono ezizodwa ze ukujula ngentsimbi zenze ukuba zibe yimfuneko kumacandelo apho ukusebenza kunye nokuthembeka kubaluleke kakhulu. Ukukwazi ukuphosa i-superalloy ekwazi ukumelana nobushushu kunye nemijelo yokupholisa eyinkimbinkimbi ixabiswa ngokukodwa kwiindawo ezinoxinzelelo oluphezulu.
Kwishishini le-aerospace, ukunciphisa ubunzima kunye nokumelana nobushushu kubalulekile. Ukwenziwa kotyalo-mali yindlela eqhelekileyo yokuvelisa iibhleyidi ze-injini yomoya, ii-vanes, kunye nezakhi ze-injini. La malungu ahlala ebonisa iziteshi zokupholisa zenyoka zangaphakathi ezenziwe kusetyenziswa ii-cores ezinyibilikayo ngaphakathi kwepateni ye-wax, into engenakwenzeka ngezinye iindlela zokuphosa.
Icandelo lezonyango lixhomekeke kwi-biocompatibility kunye nokuchaneka kwamacandelo e-cast. Izixhobo zotyando, ukufakelwa kwamathambo, kunye nezakhelo zamazinyo zihlala ziveliswa kusetyenziswa le nkqubo. Ukugqitywa komphezulu ogudileyo kunciphisa umngcipheko wekholoni yebhaktiriya, ngelixa ukukwazi ukuphosa iimilo ezintsonkothileyo ze-ergonomic zonyusa ulawulo lotyando.
Ngaphandle kwe-aerospace kunye neyeza, ukujula ngentsimbi isebenzela uluhlu olubanzi lwamashishini anzima. Abavelisi basebenzisa le nkqubo kumavili e-turbocharger, i-exhaust manifolds, kunye nezixhobo zokuxhoma kwicandelo lezemoto. Ngokukwanjalo, oomatshini bezolimo, izixhobo zemigodi, kunye neevalvu zepetrochemical zixhomekeke kwiindawo eziphosiweyo ezinokumelana nokunxiba okugqithisileyo kunye nemekobume eyonakalisayo. Kwizicelo zokukhusela, inkqubo isetyenziselwa abamkeli bemipu kunye neenxalenye zesikhokelo se-missile apho i-alloys yamandla aphezulu kunye neejometri ezinzima zifuneka.
Ukunikezela ngezisombululo ezohlukeneyo kufuna iqabane elinobuchule obunzulu kunye neziseko zophuhliso ezibalulekileyo. Qingdao Qiangsenyuan Technology Co., Ltd. (QSY) ngumzekelo wobu buchule, uzisa ngaphezulu kweminyaka engama-30 yamava kushishino lokuphosa kunye noomatshini. Isebenza ngokukhethekileyo kuzo zombini iqokobhe lokungunda kunye nokuphosa iwax elahlekileyo ecaleni komatshini we-CNC, i-QSY isebenza kwiziko elikhulu lemveliso elithatha ngaphezulu kwe-50,000 yeemitha zesikwere. Le workshop ebanzi ibandakanya imigca ezinikeleyo yotyalo-mali, ukubumba iqokobhe, ukuchaneka komatshini weCNC, ukuhlolwa komgangatho, kunye nokupakishwa.
Ubuchule bezinto eziphathekayo ze-QSY buhlanganisa uluhlu olubanzi, ukusuka kwintsimbi etyhidiweyo kunye neentsimbi ezahlukeneyo ukuya kwi-cobalt-based kunye ne-nickel-based superalloys, ukuqinisekisa ukuba banokuhlangabezana neemfuno ezingqongqo zamacandelo avela kumatshini wokulungisa ukutya ukuya kwizixhobo zoshishino. Ngokuzibophelela ekuboneleleni ngeenkonzo ezicwangcisiweyo zokuphela konyaka, i-QSY iye yasebenzisana ngempumelelo nabathengi kumazwe angaphezu kwama-20, ivala umsantsa phakathi kweemfuno zoyilo oluntsonkothileyo kunye nokwenziwa komgangatho ophezulu wokwenziwa kwemveliso.
Ukufezekisa umgangatho ohambelanayo kwi ukujula ngentsimbi ifuna uqwalaselo oluluqilima kuyo yonke inkqubo eguquguqukayo. Iziphene zinokuvela kwimiba yokwenziwa kwe-wax, ubuthathaka beqokobhe, okanye ukugalela okungaqhelekanga. Ukuqonda iindlela zokusilela okuqhelekileyo kuvumela ukuthomalalisa okusebenzayo.
I-Porosity yenzeka xa irhasi ivaleleka kwisinyithi esinyibilikisiweyo ngexesha lokuqina. Oku kudla ngokubangelwa kukungaphumi ngokwaneleyo kwipatheni ye-wax okanye ukufudumeza okwaneleyo kweqokobhe le-ceramic. Ukulwa noku, ii-Foundries zandisa uyilo lokungena ukukhuthaza ukuhamba kwelaminar kunye nokusebenzisa iinkqubo zokugalela ivacuum ukukhupha umoya kumgodi wokungunda.
Ukunciphisa ipateni ye-wax okanye ukwandiswa kwegobolondo ye-ceramic kunokukhokelela ekubeni iindawo eziwela ngaphandle kwemida yokunyamezela. Ukulawula ubushushu benaliti yokufa kunye nokufuma kwegumbi lokudipha kubalulekile. Izibonelelo zale mihla zisebenzisa ulawulo lwenkqubo yobalo (i-SPC) ukujonga amazinga okucutheka kwe-wax kunye nokulungelelanisa imilinganiselo yokufa ngokufanelekileyo.
Ukufakwa kweCeramic kwenzeka xa amaqhekeza eqokobhe aqhekeka kwaye afakwe kwintsimbi. Oku ngokuqhelekileyo ngenxa yesakhiwo seqokobhe esibuthathaka okanye ukutshatyalaliswa kwe-thermal ngexesha lokugalela. Ukuqinisekisa amaxesha afanelekileyo omisa phakathi kweedyasi kunye nokufudumeza kancinci komngundo kunceda ukugcina ingqibelelo yeqokobhe. Ukukrazula okushushu, okanye ukuqhekeka ngexesha lokupholisa, kulawulwa ngokulungelelanisa ukubunjwa kwe-alloy kunye nokulawula izinga lokupholisa lokuphosa.
Ukujongana nemibuzo eqhelekileyo malunga ukujula ngentsimbi, eli candelo lilandelayo libonelela ngeempendulo ezimfutshane ezisekelwe kwimigangatho yoshishino kunye namava asebenzayo.
Phantse nayiphi na intsimbi enokunyibilika kwaye igalelwe iyahambelana nale nkqubo. Ukhetho oluqhelekileyo lubandakanya iintsimbi ezingenasici, i-carbon steels, i-aluminium alloys, ubhedu, ubhedu, kunye ne-nickel-based superalloys. Ukhetho luxhomekeke kwiipropati zomatshini ezifunekayo kwisicelo sokugqibela.
Ngelixa ushicilelo lwe-3D (ngokukodwa i-Metal Metal Sintering Sintering) ibonelela ngeprototyping ekhawulezileyo ngaphandle kwesixhobo, ukujula ngentsimbi ngokubanzi ibonelela ngokugqibeleleyo umphezulu ophezulu kunye neempawu zoomatshini kwimithamo yemveliso. Iipateni ze-wax eziprintiweyo ze-3D zisetyenziswa kakhulu ukwenza iipatheni zokufa okanye iipateni ezithe ngqo zokuqhuba umthamo ophantsi, ukuvala umsantsa phakathi kweetekhnoloji ezimbini.
Amaxesha okukhokela ayahluka ngokusekelwe kubunzima kunye nomthamo. Ukwenziwa kwezixhobo ngokuqhelekileyo kuthatha iiveki ezi-2 ukuya kwezi-4. Emva kokuba izixhobo zilungile, imveliso yesampuli ingagqitywa kwi-1 ukuya kwiiveki ezi-2. Ukwenziwa kwemveliso ngokupheleleyo kuxhomekeke kubungakanani boodolo kodwa kuxhamle kubuchule bokuphosa obusekwe emthini.
Ishishini lenze imitsi ebonakalayo kuzinzo. Uninzi lweewax zanamhlanje ziyakwazi ukuphinda zisetyenziswe; I-wax eshiyekileyo evela kwiimbaleki kunye neendawo ezikhatywayo ziphinda zinyibilike kwaye zisetyenziswe kwakhona. Amaqokobhe eCeramic ahlala etyunyuziwe kwaye aphinde asetyenziselwe isiseko sendlela okanye ukwakhiwa kodaka olutsha. Ukusetyenziswa kwamanzi ekuthotyweni kwakhona kuya kunyangwa ngokwandayo kwaye kusetyenziswe kwakhona kwiinkqubo ezivaliweyo.
Ngelixa kungekho mda wethiyori, izithintelo ezisebenzayo zihlala zibamba ubunzima benxalenye nganye malunga nama-50 ukuya kwi-100 leeponti kwiziseko zorhwebo eziqhelekileyo. Izinto ezinkulu zifuna amaqokobhe amakhulu e-ceramic kunye nemithamo emikhulu yesinyithi esinyibilikisiweyo, esonyusa umngcipheko weziphene. Kwiindawo ezinkulu kakhulu, ukuphosa isanti kudla ngokuba yeyona ndlela ikhethwayo.
Imbonakalo yomhlaba ye ukujula ngentsimbi iyaphuhla ngokudityaniswa kobuchwepheshe bedijithali. Iingcaphephe zeshishini ziqaphela umkhwa okhulayo obhekiselele kwimveliso yomxube, apho ushicilelo lwe-3D lusetyenziselwa ukwenza iipateni ezintsonkothileyo zewax ezingenako ukubunjwa ngokwesiko. Le ndlela iphelisa imfuneko yezixhobo ezinzima kwizigaba zokuqala zophuhliso, ukukhawulezisa ixesha lokuya kwintengiso.
Ngaphaya koko, ukuqhubela phambili kwizinto ze-ceramic kuvumela iindonga ezinqabileyo zeqokobhe kunye namaxesha omisa ngokukhawuleza, okuphucula ukuphuma kunye nokunciphisa ukusetyenziswa kwamandla. I-automation kwiinkqubo zokudipha kunye ne-stuccoing iyaqhubeka nokuphucula ukuphindaphinda, iqinisekisa ukuba iiodolo ezinomthamo ophezulu zigcina inqanaba elifanayo lokuchaneka njengeebhetshi zeprototype.
Uhlalutyo lwedatha lukwadlala indima enkulu. Ngokuqokelela idatha yexesha lokwenyani kwiziko, oomatshini benaliti, kunye nezinzwa zokusingqongileyo, ii-Foundries zinokuqikelela iziphene ezinokuthi zenzeke ngaphambi kokuba zenzeke. Olu tshintsho ukusuka kwi-reactive ukuya kulawulo lomgangatho oqikelelweyo lumele umda olandelayo ekugcineni ukhuphiswano lwe ukujula ngentsimbi ngokuchasene neendlela zokuvelisa ezivelayo.
Ukuphoswa kwentsimbi yewax ihlala ilitye lembombo kwimveliso yanamhlanje, enikezela indibaniselwano engenakuthelekiswa nenkululeko yoyilo, ukuguquguquka kwezinto, kunye nokuchaneka. Ukukwazi ukuguqula iipateni ze-wax ezintsonkothileyo zibe ngamacandelo esinyithi asebenza ngokuphezulu kwenza kube yisisombululo kumashishini afuna ukuthembeka kunye nokuntsonkotha.
Le nkqubo ifanelekele ngokufanelekileyo:
Ukuba iprojekthi yakho ibandakanya uyilo oluntsonkothileyo ekunzima ukulwenza kumatshini okanye lufuna izixhobo ekunzima ukuzenzela, ukujula ngentsimbi kusenokwenzeka ukuba lolona khetho lufanelekileyo. Xa ukhetha iqabane kwiimfuno zakho zokusa, khangela ababoneleli abaneenkqubo zolawulo lomgangatho ezomeleleyo, amava abanzi kusapho lwakho lwealloyi ethile, kunye nokukwazi ukunika iinkonzo zokuphela-to-ekupheleni ukusuka ekwenzeni ipateni ukuya ekugqityweni kokugqibela. Iinkampani ezifana Qingdao Qiangsenyuan Technology Co., Ltd. (QSY) bonisa indlela amashumi eminyaka yobungcali kunye nobuchule bomatshini obuhlanganisiweyo be-CNC bunokuzisa izisombululo ezithembekileyo, zokumisa enye kubathengi behlabathi. Ukuthatha inyathelo elilandelayo kubandakanya ukuchaza iimfuno zakho zobugcisa ngokucacileyo kunye nokuzibandakanya neengcali ukuvavanya ukwenzeka kunye nokusebenza kakuhle kweendleko.