Inqubo Yokukhiqiza Insimbi Ngezindlela Zokwengeza
I-Pengantar
Embonini yokukhiqiza, ukusungula izinto ezintsha kwezobuchwepheshe kuyaqhubeka nokucindezela imingcele yamakhono okukhiqiza kanye nokusebenza kahle. Ubuchwepheshe obunye obushintsha indlela yokukhiqizwa kwezingxenye zensimbi ukukhiqizwa kwezinto ezengeziwe. Ukukhiqizwa kwezinto ezengeziwe, okwaziwa kakhulu ngokuthi ukuphrinta kwe-3D, kuyindlela yokukhiqiza eyakha izinto ungqimba nongqimba kusukela phansi kuya phezulu, kusetshenziswa idatha yokuklama ye-3D. Lobu buchwepheshe bungene emikhakheni eyahlukene yezimboni njengezindiza, izimoto, ezokwelapha, kanye neminye eminingi. Lesi sihloko sizoxoxa ngokuningiliziwe ngenqubo yokukhiqiza insimbi kusetshenziswa amasu okwengeza, ubuchwepheshe obuhilelekile, izinzuzo zayo, kanye nokusetshenziswa kwayo embonini.
Ubuchwepheshe Bokukhiqiza Okwengeziwe Bezinsimbi
Kunezindlela ezahlukene zobuchwepheshe bokukhiqiza izithako ezisetshenziswa ukukhiqiza izingxenye zensimbi. Ezinye zezindlela ezivame kakhulu yilezi:
1. I-Laser Powder Bed Fusion (LPBF)
I-Laser Powder Bed Fusion (LPBF) ingenye yezindlela ezithandwa kakhulu zokuphrinta kwensimbi ye-3D. Le nqubo ihilela ukusabalalisa ungqimba oluncane lwempuphu yensimbi embhedeni wokuphrinta. I-laser bese incibilikisa impuphu yensimbi ngokwedizayini ye-3D, ibophe izinhlayiya zensimbi ukuze zenze ungqimba oluqinile. Le nqubo iphindaphindwa ungqimba ngengqimba kuze kube yilapho yonke ingxenye isiqediwe.
2. Ukufakwa Kwamandla Okuqondisiwe (i-DED)
I-Directed Energy Deposition (DED) isebenzisa i-diphozithi yezinto ezibonakalayo, engaba umthombo wokushisa njenge-laser noma ama-electron, eqondiswe endaweni ethile lapho impuphu yensimbi noma ucingo luncibilikiswa khona. Le nqubo ivumela ukwengezwa okunembile kwezinto endaweni efiselekayo. I-DED ithembeke kakhulu ekulungisweni kwezingxenye kanye nokusetshenziswa okukhulu.
3. I-Binder Jetting
I-Binder Jetting iyindlela lapho kubekwa khona izendlalelo zempuphu yensimbi embhedeni wokuphrinta bese kufafazwa i-liquid binder phezu kwempuphu ngokwedizayini ye-3D. Ngemva kokuba ungqimba ngalunye luboshiwe, kufakwa isisekelo esilandelayo, bese inqubo iphindwa kuze kube yilapho isakhiwo sesiphelile. Into ephumayo ibe isishiswa kuhhavini ukuze ihlanganise ngokuphelele izinhlayiya zensimbi ndawonye.
4. Ukuncibilika Kwe-Electron Beam (EBM)
I-Electron Beam Melting (EBM) isebenzisa umsebe we-electron njengomthombo wokushisa ukuze incibilikise izimpushana zensimbi ku-vacuum. Le nqubo ivumela ukulawulwa kokushisa okuhle futhi ifaneleka kakhulu ekukhiqizweni kwezingxenye ze-titanium ne-alloy ezisebenza kahle ezisetshenziswa embonini yezindiza kanye neyezokwelapha.
Inqubo Yokukhiqiza Okungeziwe Kwensimbi
Indlela ngayinye yokukhiqiza izengezo zensimbi ilandela ukulandelana okulandelayo kwezinyathelo:
1. Ukuklama kanye Nokucubungula Kwangaphambi Kwe-CAD
Inqubo iqala ngokudala imodeli yedijithali ye-3D yento ezokhiqizwa kusetshenziswa isofthiwe ye-Computer-Aided Design (CAD). Umklamo ube usuguqulwa ube yifomethi efundekayo yiphrinta ye-3D, ngokuvamile kusetshenziswa ifomethi yefayela ye-STL (stereolithography). Okulandelayo, isofthiwe yokusika ihlukanisa imodeli ye-3D ibe yizingqimba ezincane ezizosetshenziswa yiphrinta ye-3D ukwakha into.
2. Ukulungiswa Kwezinto Ezisetshenziswayo Nemishini
Ubuchwepheshe bokukhiqiza obungeziwe bunezidingo zezinto zokwakha kanye nomshini ezihlukile. Inqubo ivame ukuhilela ukulayisha impuphu yensimbi noma ucingo emshinini, kanye nokulinganisa nokulungisa amapharamitha enqubo njengejubane le-laser, amandla, kanye nobukhulu besendlalelo.
3. Inqubo Yokuphrinta
Ngesikhathi senqubo yokuphrinta, iphrinta ye-3D isebenzisa noma incibilikisa izinto ngokunembile ngokuya ngomklamo we-3D, ungqimba nongqimba. Izinhlelo zokulawula ezithuthukisiwe ziqinisekisa ukuthi ungqimba ngalunye lunezelwa ngokunemba okuphezulu, futhi amapharamitha enqubo aphathwa ukuze kufezwe ikhwalithi nezinto ezifiselekayo.
4. Ngemuva kokucubungula
Uma ukuphrinta sekuqediwe, kudingeka kuthathwe izinyathelo eziningana ukuze kulungiswe ingxenye. Lokhu kungafaka phakathi ukususa izinto ezisele, ukwelashwa ngokushisa ukuze kuncishiswe ukucindezeleka kwangaphakathi, kanye nezindlela ezahlukene zokuqeda ukuze kufezwe ukubekezelelana kobukhulu nobuso obufiselekayo.
Izinzuzo Zokukhiqiza Okungeziwe Kwezinsimbi
1. Umklamo Oyinkimbinkimbi Nokwenza Ngokwezifiso
Ukukhiqiza okungeziwe kwenza kube lula ukukhiqizwa kwezingxenye ezine-geometri eziyinkimbinkimbi kakhulu okunzima noma okungenakwenzeka ukuzifeza ngamasu okukhiqiza endabuko njengokufaka noma ukunyathela. Lokhu kwenza kube lula ukuklama okulula, ukusebenza okwandisiwe, kanye nokusebenza kahle kwezinto ezibonakalayo okuthuthukisiwe.
2. Isikhathi Esifushane Sokuhola
Izinqubo zokukhiqiza ezengeziwe zinganciphisa kakhulu isikhathi esidingekayo kusukela ekwakhiweni kuya ekukhiqizweni kokugcina. Lokhu kuwusizo ikakhulukazi ekusetshenzisweni okusheshayo noma izingxenye ezidinga impendulo esheshayo.
3. Ukusebenza Kahle Kwezinto Ezibonakalayo
Ukukhiqiza ngezingqimba ngezigaba kuqinisekisa ukuthi kusetshenziswa izinto ezidingekayo kuphela, okunciphisa imfucuza. Lokhu kwenza ukukhiqiza okungeziwe kube inketho enobungani nemvelo kunezindlela ezivamile.
4. Ukukhiqizwa Okufunwayo
Ikhono lokukhiqiza izingxenye ezidingekayo linciphisa ukubanjwa kwempahla kanye nezindleko ezihambisana nayo. Lokhu kubaluleke kakhulu ezimbonini ezifana nezindiza, lapho izingxenye kumele zigcinwe khona isikhathi eside.
Izicelo Embonini
1. Umkhathi
Imboni yezindiza ingenye yezizuzi ezinkulu zokukhiqiza izengezo zensimbi. Ikhono lokudala izingxenye ezilula kodwa eziqinile ezinemiklamo eyinkimbinkimbi libalulekile ekusebenzeni nasekusebenzeni kahle kwezindiza. Isibonelo, izingxenye zenjini yejethi eziphrintiwe kusetshenziswa ubuchwepheshe be-LPBF zinganciphisa isisindo ngaphandle kokulahlekelwa amandla esakhiwo.
2. Izimoto
Ukukhiqizwa kwezengezo zensimbi kusetshenziswa embonini yezimoto ukuze kutholakale izingxenye ezilula, amathuluzi akhethekile, kanye ne-prototyping esheshayo. Izingxenye eziphrintiwe zingahlolwa ngokushesha, okuvumela imijikelezo yokuthuthukiswa komkhiqizo emifushane.
3. Ezokwelapha
Emkhakheni wezokwelapha, izitho zokufakelwa ezenziwe ngokwezifiso kanye nezifakelo ziphrintiwe nge-3D ukuze zivumelane nosayizi womzimba wesiguli kanye nesimo saso. Izinto ezihambisana ne-bio ezifana ne-titanium zivame ukusetshenziswa kulokhu, okunikeza imiphumela emihle kakhulu uma kuqhathaniswa nezindlela zokukhiqiza zendabuko.
4. Amandla
Ubuchwepheshe bokwengeza buyasetshenziswa futhi emkhakheni wezamandla, ikakhulukazi ekukhiqizweni kwezingxenye ze-turbine namathuluzi kanye nehadiwe yokuhlola uwoyela negesi. Ukuthembeka okuphezulu kwezinto kanye nokusebenza okufinyelelwe ngokuphrinta kwe-3D kwenza kube kuhle kakhulu ekusetshenzisweni okunzima nasezindaweni ezibucayi.
Izinselele Nekusasa
Naphezu kwezinzuzo zayo eziningi, ukukhiqizwa kwezengezo zensimbi nakho kubhekene nezinselele eziningana. Lokhu kufaka phakathi izindleko eziphezulu zemishini nezinto zokwakha, kanye nesidingo sokuthuthukisa amazinga kanye nemininingwane ukuqinisekisa ukuvumelana kanye nekhwalithi yezingxenye eziphrintiwe. Ucwaningo kanye nentuthuko kuyaqhubeka ukubhekana nalezi zinselele nokuvula amandla aphelele obuchwepheshe.
Isiphetho
Ukukhiqizwa kwezengezo zensimbi ubuchwepheshe obushintsha ngokushesha obunikeza amathuba amaningi okusungula izinto ezintsha kanye nokuthuthukiswa kokusebenza kahle kuzo zonke izimboni. Njengoba inekhono lokukhiqiza imiklamo eyinkimbinkimbi, yonge isikhathi nezinto zokwakha, futhi ivumele ukukhiqizwa okufunwayo, ukukhiqizwa kwezengezo zensimbi kulindeleke ukuthi kube yinsika ebalulekile endaweni yokukhiqiza yesikhathi esizayo. Ngenkathi iqhubeka nokubhekana nezinselelo ezikhona, ukusetshenziswa kwayo kanye nezinzuzo zayo ngokuqinisekile kuzokwandisa ukusetshenziswa kobuchwepheshe kuzo zonke izimboni eziningi.
