Xa abantu abaninzi besiva 'iindawo ezilahlekileyo zokuphosa i-wax', bafanekisela ezo zinto zingenasiphako, iincakuba zeinjini yomoya emenyezelayo okanye amaqhekeza obugcisa antsonkothileyo. Leyo yiglosi yentengiso. Inyani kumgangatho wesiseko libali le-grittier le-ceramic slurry viscosity, ukungahambelani kokwandiswa kwe-thermal, kunye nokulwa rhoqo ngokuchasene nokubandakanywa. Eyona ngcamango iphosakeleyo? Ukuba yinkqubo echanekileyo yobukhulu obunye. Ayiyo. Unyamezelo onokuthi ubambe kwisixhobo esincinci sotyando sentsimbi lihlabathi elikude kwinto enokufezekiswa kunye nendlu enkulu ye-nickel-based alloy pump, nokuba usebenzisa isiseko esifanayo. ukulahlwa kwewax elahlekileyo umgaqo. Umtyholi ngokupheleleyo kwiinkcukacha abazifaki kwincwadana.
I-Core Illusion: As-Cast Finish
Abathengi bahlala becela ukugqitywa kwe-cast, becinga ukuba konga iindleko. Into abaqhele ukuyithetha kukuba abafuni machining. Kodwa ekusebenzeni, indawo eyinyani yokuphosa ukusuka kwi utyalo mali inkqubo isafuna ukucocwa okuthile—ukunqunyulwa kwamasango, ukugawula izikhondo. Okubaluleke ngakumbi, umgangatho womphezulu uxhomekeke ngokupheleleyo kwidyasi ephambili yeqokobhe leceramic. Kwivenkile yethu, sichithe iminyaka sicofa umgubo wezircon/silica binder ratio kunye nendawo yokomisa. Ukukhawuleza, ufumana i-micro-cracks; ifume kakhulu, iqokobhe lihlala libuthathaka. Ndikhumbula inqwaba yemizimba yevalvu apho iqokobhe lalibonakala ligqibelele, kodwa emva kokukhutshwa kwewaxing nokudubula, kwavela uthungelwano lweentanda zeenwele. Umoni? Ukuhla kobushushu obufihlakeleyo ngobusuku ngexesha lenqanaba lokuqala lokomisa idyasi. Amalungu awazange alahlwe, kodwa ayefuna ukulungiswa okubanzi kwe-weld, egatya nayiphi na inzuzo yeendleko.
Oku kudibanisa ngokuthe ngqo kukhetho lwezinto eziphathekayo. Abantu bachaza i-316 engenastainless kuyo yonke into eyonakalisayo. Kodwa ngenxa iindawo zokugalela umthwebeba ezilahlekileyo ehamba ngebhayisekile eshushu, njengamacandelo okukhupha, ukwakheka okusemgangathweni kwe-316 kunokuthambekela kwimvula yesigaba se-sigma kwimida yeenkozo, ekhokelela kwi-embrittlement. Sihlala sicebisa abathengi ukuba baqwalasele ibakala elilungisiweyo elinozinzo olungcono lobushushu. Yincoko enobucukubhede ehamba ngaphaya nje kwenkqubo yokugalela kwi-metallurgy.
Kulapho amava e-Foundry ebala. Inkampani efana ne-Qingdao Qiangsenyuan Technology Co., Ltd. (QSY), kunye namashumi amathathu eminyaka ekubunjweni nasekusebenzeni, kusenokwenzeka ukuba izibonile ezi ndlela zokusilela. Ugxininiso lwabo kwizinto ezifana ne-cobalt kunye ne-nickel-based alloys icebisa ukuba bajongane nezicelo ezinoxinzelelo oluphezulu apho ezi nkqubo ze-nuances zisenziwa okanye ziqhekeza. Awunako ukukhohlisa olo hlobo luqokelelweyo, ngamanye amaxesha lubuhlungu, ulwazi.
Ukuchaneka luhambo, hayi iSiqinisekiso
Igama elithi ukuchaneka kotyalo-mali libandiwe ngokukhululekileyo. Ukuchaneka kokwenyani luluhlu lwamanyathelo, ngalinye lizisa impazamo enokwenzeka. Inaliti yepateni yewax likhonkco lokuqala elibalulekileyo. Oku sikufunde kabuhlungu ngezinto ezininzi ezintsonkothileyo. Imodeli yeCAD yayigqibelele. Isixhobo se-aluminiyam sasichanekile. Kodwa ngexesha lokutofa kwewax, asikhange siphendule ngokwahlukileyo kokuncipha kumacandelo ashinyeneyo nabhityileyo, akhokelela kwi-warpage eyathi yabonakala emva kokuba iqokobhe leceramic lakhiwe. Isiphumo? Izahlulo ezilahliweyo ezazingaphandle ngokomlinganiselo, hayi ekugalweni kwentsimbi, kodwa ukusuka kwipatheni yokuqala yewax. Yayisisifundo esithobekileyo esisinyanzele ukuba sakhe izibonelelo zokucutheka kuyilo lwesixhobo olusekwe kumxube othile wewax esiwusebenzisayo, into oyifundayo kuphela ngokusilela okuphindaphindayo, okunexabiso elikhulu.
Yiyo loo nto ukudityaniswa komatshini we-CNC, njengoko kunikezelwa ngababoneleli abadibeneyo njenge-QSY, kubaluleke kakhulu. Ukusaswa kukufumana ama-95% apho, rhoqo anemigangatho ebalulekileyo eshiywe njengesitokhwe. Ukugqitywa kwe-CNC kuqinisekisa imilinganiselo yokugqibela kwaye itywine ukunyaniseka komphezulu. Kwisihlalo sevalve yoxinzelelo oluphezulu okanye uhlobo lweengcambu zengca yeinjini yomoya, elo nyathelo lomatshini aliyiyo into yokuzikhethela; kulapho inxalenye iqala ukusebenza. Ukuzama ukufezekisa oko ngokuthe ngqo kubumba luhambo lwesidenge kuninzi lwamacandelo obunjineli.
Enye into ehlala ingahoywa kukugawula kunye noyilo lokunyuka kweealloys ezahlukeneyo. Ukuphoswa kwentsimbi kufuna inkqubo yokutya eyahlukileyo kune-nickel-based superalloy ngenxa yokungafani koluhlu lokuqinisa kunye nokuziphatha kokunciphisa. Ndibone uyilo olukhutshelweyo ukusuka kwindawo yentsimbi ukuya kwinxalenye yemoneli ekhokelele kumbindi wokuncipha. I iqokobhe ngundo ukuphosa Inkqubo ibonelela ngengcaciso egqwesileyo, kodwa ayibuyiseli ubunjineli bokuqina obuhlwempuzekileyo. Udinga iqela eliqondayo ukuziphatha kwezinto ekubumbeni, kungekhona nje ukwenza i-mold ngokwayo.
I-Alloy Gambit: Xa i-Special Means inengxaki
Ukusebenza kunye ne-alloys ezikhethekileyo ezifana ne-cobalt okanye i-nickel-based based ones apho utyalo mali iqaqambile ngokwenene, kodwa nalapho iba nzima fiendishly. Ezi zixhobo zihlala zichazwe kwiindawo eziphakamileyo-ukushisa okuphezulu, ukubola, ukugqoka. Inkqubo yokuphosa kufuneka igcine iipropati zabo. Umngxunya oqhelekileyo kukungcoliseka ngexesha lokunyibilika nokugalelwa. Nokuba umkhondo wezinto ezithile unokutshintsha kakhulu ukusebenza. Sigcina iziko elizinikeleyo kwiintsapho ezithile ze-alloy ukuphepha ukungcoliseka. Yindlela yokwenza imali eninzi, kodwa ayixoxiswana.
Unyango lobushushu emva kokuphoswa yenye indawo yemigodi. Kuninzi lwezi ngxubevange, i-as-cast microstructure ayisiyiyo i-microstructure yenkonzo. Ukunyanga kwesisombululo, ukuguga, i-HIPping (i-Hot Isostatic Pressing)-ezi nkqubo zifunekayo ukuphuhlisa amandla afunekayo okanye ukuxhatshazwa kwe-creep. Ukubanjwa? Basenokubangela ukugqwetheka okanye ukukala umphezulu. Sakhe saba nebhetshi yeenxalenye ze-Inconel eziye zadibana nazo zonke iitshekhi ezinobungakanani emva kokuphoswa kodwa zajijeka ngaphaya kokusindiswa ngexesha lomjikelo wonyango lwesisombululo. Ukulungiswa kwakubandakanya ukuyila iiseti ze-ceramic zesiko ukuxhasa iindawo ngexesha lomjikelo wesithando somlilo, isisombululo esizalwe kolo kusilela. Eli nqanaba lokusombulula ingxaki yinto eyahlula umthengisi wamacandelo kwiqabane lokwenyani lemveliso.
Oku kulungelelaniswa nesakhono esithe yaphawulwa ngumboneleli onje ngeQSY. Ukudwelisa ezo ngxubevange zikhethekileyo asiyomenyu nje; yingxelo yeziseko zophuhliso ezilawulwayo. Nabani na unokunyibilikisa intsimbi engenasici. Ukuphatha ii-alloys ezisekelwe kwi-nickel ngokuqhubekayo kufuna inqanaba elahlukileyo lenkqubo yoluleko kunye nolawulo lomgangatho, ukusuka kwi-makeup yentlawulo ukuya ekuhlolweni kokugqibela.
Ukudityaniswa okunyanzelekileyo: ukuCasa ayisoSiqithi
Akukho nxalenye ikhona njengokusalwa nje. Ifuna imisonto, imingxunya yeebholiti, imiphezulu yokutywina, rhoqo ukuya kukunyamezelana okuqinileyo. Kulapho imodeli yakudala yokuthumela i-castings kwivenkile yomatshini iwela ngaphandle. Amanqaku ereferensi anemilinganiselo ayalahleka, ulungelelwaniso lukhokelela kulibaziseko. Ukuba nomatshini we-CNC endlini, phantsi kweambrela esemgangathweni ofanayo, luncedo olukhulu. Ivumela inkqubo elungelelanisiweyo: ukuphosa kunokuyilwa kunye nezixhobo zomatshini engqondweni, kwaye ii-datum ezibalulekileyo zinokuphoswa kwiimpawu zokucocwa kwi-CNC.
Ndicinga nge-impeller yempompo esiyivelisayo. Ukubunjwa kusinika i-vane geometry enzima. Kodwa ibhore, itywina lobuso, kunye nesitshixo zonke zisebenza ngoomatshini beCNC. Ngokwenza konke, sinokuqinisekisa ukugxila phakathi kwe-vanes kunye ne-bore yomatshini-into ebalulekileyo yokulinganisela kunye nokusebenza. Ukuzama ukufezekisa oku ngokuthumela i-cast ekrwada kumntu wesithathu kuya kuba liphupha elibi elisemgangathweni.
Eli lixabiso elibonakalayo lomsebenzi odityanisiweyo ngokuthe nkqo. Ayikokuba lula; imalunga nokugcina injongo yoyilo kuyo yonke ikhonkco lemveliso. Kwicandelo lenjineli yokukhangela, oku kunciphisa umngcipheko kakhulu. Ujongene nenqaku elinye loxanduva kuyo yonke ijometri, ukusuka kwi ukulahlwa kwewax elahlekileyo ukuya kwinqanaba lokugqibela lomatshini.
Ukuqukumbela: Bubuchule, buZifihlwe njengeNkqubo
Ngoko, xa ukhangela iindawo zokugalela umthwebeba ezilahlekileyo, awuthengi ngenene inkqubo yokuphosa. Uthengela ubunzulu bamava. Uthenga ulwazi lokuba yeyiphi i-wax ipateni yeglue isebenza kakuhle kwiindonga ezibhityileyo, isigwebo sendlela yokulungelelanisa inxalenye emthini ukunciphisa i-porosity, idatha yobungqina malunga nendlela ubushushu obuthile obuphatha ngayo indawo eshushu yesithando somlilo ichaphazela i-alloy ethile. Ngumsebenzi wezandla.
Iiwebhusayithi, njenge-tsingtaocnc.com ye-QSY, dwelisa ubunakho: ukungunda kweqokobhe, ukuphosa utyalo-mali, i-CNC, iialloyi ezahlukeneyo. Kodwa eyona nto imele ngokwenene yiminyaka engama-30 yokusombulula iingxaki ezingezizo eziguqula ingcamango ibe yinto ethembekileyo, esebenzayo. Imveliso yokwenyani ayiyonxalenye yentsimbi kuphela; kukwenza izigqibo ezizinzisiweyo ezithintele izinto ezilishumi ebezinokuthi zingahambi kakuhle ukuba zenzeke. Nantso ke into oyikhangelayo ekugqibeleni. Okunye yintsimbi nje.
