Uma uzwa 'ukusakaza kwe-aero investment', isithombe esiseduze ngokuvamile singenasici, ama-high-tech turbine blades ezinjini zejethi. Lokho akulona iphutha, kodwa umbono omncane oyingozi. Empeleni, kumayelana nokuphatha amaqiniso avamile wamaphethini we-wax, i-ceramic slurry viscosity, kanye nokungafani kokwanda okushisayo njengoba kumayelana nenkazimulo ye-aerospace. Isihibe esivamile semboni sithembisa ngokweqile ukubekezelela kubakaki besakhiwo abanezindonga ezincane ngenxa nje yokuthi kuwukusakazwa kwe-aerospace - le nqubo ayiwona umlingo. Iwuchungechunge lwezinyathelo ezilawulwa ngokucophelela, futhi isixhumanisi esibuthakathaka noma yikuphi, kusukela ekwakhiweni kwesikhunta sokuqala kuya ekwelashweni kokushisa kokugcina, kuzogxilisa ingxenye ngokushesha kunalokho ongathi ukwehluleka kwe-NDT.
I-Core Illusion: Ukunemba Akunikezwa
Imininingwane eminingi yokuthengwa kwempahla evela konjiniyela bedizayini iphatha ukutshala imali njengenhlamvu yesiliva enomumo oseduze nenetha. Bazobhala indlu ye-aluminium eyinkimbinkimbi eneziteshi zangaphakathi, bacacise ukubekezelela okungu-±0.005 njengokusakazwa kububanzi obungamayintshi angu-15, futhi bayilindele ivele iphume egobolondweni. Leyo iresiphi yokudumala kanye nokweqiwa kwezindleko. Iqiniso liwukuthi, the i-aero investment casting inqubo ngokwemvelo yethula okuguquguqukayo. Isigaba somjovo we-wax sisodwa - izinga lokushisa, ingcindezi, isikhathi sokuhlala - singabangela ukuhlanekezela kwephethini okubonakala kuphela ngemva kokwakhiwa kwegobolondo le-ceramic. Ngibone inqwaba yezindlu ze-actuator lapho ukukhanya kwe-flange bekuphumile ngenxa nje yokuthi izinga lokushisa le-ambient yegumbi le-wax laguquguquka ngaphezu kuka-5°C kulelo sonto. Ukunemba kuyazuzwa, akucatshangwa.
Yilapho ubudlelwano ne-Foundry buba bucayi. Akukhona nje ukuthumela imodeli ye-CAD nokulinda. Isitolo esifana ne-Qingdao Qiangsenyuan Technology Co., Ltd. (QSY), esinamashumi amathathu eminyaka kugobolondo nokufaka utshalomali, sizobheka ngokushesha ingxenye yesihlahla, idizayini yesango, kanye nezindawo ezishisayo ezingaba khona. Okuhlangenwe nakho kwabo ngensimbi nama-alloys asekelwe ku-nickel kusho ukuthi bacabanga ngokuqiniswa kwamaphethini okuncipha kusukela lapho besuka khona. Isisekelo esihle asicaphuni nje; benza ukuhlaziya kokwenziwayo okuvamise ukubandakanya ukuphakamisa ukuguqulwa kokusalungiswa okucashile noma ukuncoma ukusuka ku-17-4PH engenalutho ukuya ebangeni elihlukile insimbi engagqwali eziphatha kangcono ngesikhathi senqubo yokutshala imali yaleyo geometry ethile.
Ukutshalwa kwezimali egameni akukhona nje mayelana negobolondo le-ceramic elinikelwayo. I-investimenti ekukhiqizeni kwangaphambili okuphindaphindiwe. Kuphrojekthi yakamuva ebandakanya ingxenye ye-cobalt-based alloy exhaust, sidlule emijikelezweni emine ehlukene ye-athikili yokuqala. Okubili kokuqala bekumayelana nokudayela ohlelweni lokuphakelayo ukuze kuqedwe i-microporosity esigabeni esibucayi. Okwesithathu bekuwukuqinisekisa kobukhulu ngemuva kokuthi silungise i-wax die. Okwesine kuphela bekuwukuhlolwa kwempahla eyimishini. Umjikelezo ngamunye ubiza isikhathi nemali, kodwa ukweqa bekuyoqinisekisa ukwehluleka esifundweni.
Izinketho Zezinto Ezibalulekile: Akukhona Kuphela Ngamandla
Imininingwane ye-Aerospace material iqhutshwa amashidi edatha: amandla okugcina aqinile, ukumelana nokukhuphuka, impilo yokukhathala. Kodwa ku-Foundry, ubhekene nezici zokusakaza zezinto. I-superalloy esekelwe ku-nickel esebenza kakhulu ingase ibe nezakhiwo ezimangalisayo zezinga lokushisa eliphezulu, kodwa uma kuyiphupho elibi lokusabela kwegobolondo noma elivame ukudabuka kakhulu, izinga lesivuno liyehla. Ugcina unezinto ezibonakalayo eziphelele ngokomqondo kanye nezindleko ezingalawuleki ingxenye ngayinye.
Yilapho kuboniswa khona ubuchwepheshe be-alloy be-Foundry. Iphequlula iphothifoliyo yabo ku https://www.tsingtaocnc.com, ubona uhlu lwe-QSY lwe-cobalt ne-nickel alloys eduze kwezinsimbi ezijwayelekile. Lowo mlando wokusebenza usikisela ukuthi kungenzeka benze amaresiphi egobolondo lobunikazi noma amaphrothokholi okushisa ngaphambi kwesikhathi ukuze aphathe ama-alloys asebenza kakhulu. Isibonelo, ukuthela ama-alloys athile e-nickel kudinga izinqubo zokuncibilika ezihlanzeke kakhulu futhi ngokuvamile ijazi elithile lobuso begobolondo ukuvimbela ukwakheka kwe-alpha-case, ungqimba olungaphezulu oluphukayo. I-Foundry engenakho lokho kuzizwisa okuqondile ingase iphuthe kuze kube yisiteji sokukhanda, lapho amathuluzi eqala ukuqhwanda endaweni eqinile.
Ngikhumbula isimo lapho sashintsha khona kusukela ochungechungeni oluvamile lwe-300-stainless kuya ebangeni lokuqina kwemvula kubakaki abangasindi. Ukuzuza kwamandla kuya kwesisindo kwakucacile. Nokho, ingxubevange ye-PH ibe nendawo emnandi encinyane kakhulu yokuthela izinga lokushisa. Ukushisa kakhulu, nokukhula okusanhlamvu kwenza ingxenye; kupholile kakhulu, futhi ukugijima kwenkungu kwaba yingozi. Ithimba labasunguli bekufanele lilinganise kabusha yonke iphrofayili yalo eshisayo yaleyo ngxubevange ethile kuleyo ngxenye yejometri. Kwakungekhona nje ngokuncibilikisa insimbi; kwakumayelana nokulawula wonke umlando wayo oshisayo.
I-Machining Handshake: Ukusakaza Akuwona Umugqa Wokuqeda
Cha i-aero investment casting iphelele ngempela ize yenziwe ngomshini. Ukuxhumana phakathi kweminyango ye-casting kanye ne-CNC kuyindawo enkulu yokungqubuzana. Ukulingisa ku-in-spec ngokuphelele kungonakaliswa ukungalungiswa kahle noma ukusika okungalungile kokuqala. Isimo esifanelekile siwumhlinzeki ohlanganisiwe oqondile. Lapho ukulingisa kanye CNC imishini zingaphansi kophahla olulodwa, njengaku-QSY, iluphu yempendulo iqinile. Ithimba lemishini lingatshela ngokuqondile i-Foundry, Sibona izindawo ezinzima ezingaguquki kulelikhona lakho konke ukulingisa, futhi i-Foundry ingaphenya ukuthi ingabe kuyinkinga yendawo yokupholisa noma inkinga yokufakwa.
Lokhu sakufunda kabuhlungu eminyakeni edlule. Sithole abalingisi ku-Foundry A futhi sabathumela esitolo somshini B. Inqwaba yokulingisa kwe-titanium yesixhumanisi sesakhiwo ibilokhu ihluleka ngesikhathi sokuqedwa kokugaya okunembayo. Kwalandela ukuguquka kokusola okungapheli. Umakhi uthe abalingiswa babenobulukhuni obungahambisani; umsunguli wathi umakhi usebenzisa isivinini esingalungile/izifunzo. Kuthathe amaviki emihlangano nokuhlaziywa kwelebhu yenkampani yangaphandle ukuze kutholwe umsuka: ukuhluka okuncane kwezinga lokupholisa ngesikhathi sokususwa kwamagobolondo, okuguqule isakhiwo se-microstructure esingaphezulu ngokwanele ukuze kubangele ingxoxo yamathuluzi. Ukube bekuyisikhungo esisodwa, bebezolandela umugqa wenqubo ngosuku.
Ukwakheka kwedatha kungenye i-handoff ebalulekile. Ukusakaza kufanele kunikeze izici ezithembekile, ezisebenzisekayo ze-datum. Kwesinye isikhathi, kufanele wengeze amaphedi amancane ebusweni obungabalulekile ukuze nje unikeze i-CNC indawo evikelekile, ehlanzekile ukuze ibambe futhi iqanda kuyo. Lesi isinqumo sokusebenzisana esenziwe ezinyathelweni zakuqala, hhayi umcabango wakamuva.
Ukwehluleka Njengomsebenzi Wokuphoqa
Awukaqondi ngempela ukutshala imali uze ube nokwehluleka okumangalisayo, okubizayo. Okunginamathelayo kwakuyisethi yezingxenye ezinkulu, ezinezindonga ezincanyana zamapayipi angu-316L angenasici. Baphumelele ukuhlolwa kwe-dimensional kanye ne-dayi-penetrate kahle. Kodwa ngesikhathi sokuhlolwa kwengcindezi evamile emhlanganweni, omunye waqhuma umsindo ofana nokudubula kwesibhamu. Ukuhlaziywa kokuphuka kubonise ukuthi kwakungeyona inkinga ye-porosity noma yokufakwayo. Bekuyingcindezi eyinsalela evalelwe phakathi ngenxa yokupholisa okungalingani phakathi kweqoqo. Ingxenye yayizonyatheliswa ngokobuchwepheshe kodwa yayinamaphutha.
Isixazululo kwakungekona ukuthela ngokucophelela. Bekuwukuklama kabusha sonke isakhiwo seqoqo ukuze kuthuthukiswe ukunqanyulwa kokushisa okufanayo, kanye nokwethula umjikelezo olawulwayo wokukhulula ingcindezi ngaphambi kwanoma yimuphi umshini. Lokho kwanezela izindleko nesikhathi, kodwa kwakuwukuphela kwendlela. Lolu uhlangothi olungathandeki lwenqubo: ngezinye izikhathi, ukulungiswa kuphambene nokunembile futhi kuhlala ekulawuleni okushisayo kwegobolondo ngemva kokushiya isithando somlilo, hhayi esithandweni ngokwaso.
Lokhu okuhlangenwe nakho kuphoqa ukuthobeka endleleni. Uyeka ukubheka imodeli ye-CAD njengomkhiqizo oqediwe bese uqala ukuyibona njengepulani lomdanso oshisayo nowemishini phakathi kwe-wax, i-ceramic, insimbi encibilikisiwe, nomoya. Zonke izinqumo zokuklama zinomphumela wenqubo.
Isilinganiso Sangempela: Ukuvumelana Ngokuhamba kwesikhathi
Noma ubani angaba nenhlanhla futhi akhiqize ama-casting ambalwa amahle. Ukuhlolwa kwangempela kwekhono le-Foundry, njengokusebenza isikhathi eside e-Qingdao Qiangsenyuan Technology Co., Ltd., ukuhambisana kokukhiqiza phakathi nezinyanga neminyaka, kumaqoqo amaningi kanye nokushiswa kwezinto ezibonakalayo. Bangakwazi ukugcina ikhwalithi yokuqedwa kwendawo engxenyeni yenombolo 5000 efana nengxenye yenombolo 50? Ingabe umbiko wezakhiwo eziwumshini ovela esakhiweni esifakwe kule nyanga ungena ngaphakathi kwebhendi yokuhlakazeka eqinile efana neyaminyaka emibili edlule?
Lokhu kuvumelana kuvela ezinqubweni ezilawulwayo, ezibhalwe phansi kanye nenkumbulo ejulile yesikhungo. Umakadebona we-opharetha wesithando somlilo okwazi ukuzwa uguquko olucashile emsindweni wepompo yevacuum futhi azi ukuhlola uphawu. Ungumphathi wekhwalithi one-histogram yedatha enobukhulu bengxenye ye-flagship ebuyela emuva eminyakeni eyishumi. Uma uthola izingxenye ezibalulekile zendiza, le datha yomlando nokuzinza okuqinisekisiwe kubaluleke kakhulu kunentengo engcono kakhulu evela esitolo esingaqinisekisiwe.
Ekugcineni, kuphumelele i-aero investment casting wubambiswano olwakhelwe phezu kokuxhumana okusobala kwakho kokubili amakhono kanye nemikhawulo. Imayelana nokuvumelanisa izidingo zokusebenza komklami neqiniso lenqubo ye-Foundry. Umgomo akukhona nje ukwenza ingxenye ebukeka njengomdwebo, kodwa ukukhiqiza ingxenye enobuqotho bangaphakathi obufanele, isimo sokucindezeleka esisalela, kanye nezakhiwo ezibonakalayo ukuze kusebenze ngokwethembeka endaweni enzima, engathetheleli yesevisi ye-aerospace. Kuyisiyalo esinzima, lapho umkhawulo wephutha umncane njengodonga lokulingisa ngokwalo.
