Abubuwa biyar na maɓalli na kayan aikin ana yin su ne ta hanyar narkar da katako na lantarki, wanda zai iya watsa ƙullun katako da ƙananan bango.Amma 3D bugu shine kawai mataki na farko.
Kayan aikin da aka yi amfani da shi a cikin fassarar mai zane shine PIXL, na'urar sinadarai ta X-ray wanda ke iya tantance samfuran dutse akan duniyar Mars.Tushen wannan hoton da sama: NASA/JPL-Caltech
A ranar 18 ga Fabrairu, lokacin da rover na "juriya" ya sauka a duniyar Mars, zai ɗauki kusan sassa 3D na ƙarfe kusan goma.Za a sami biyar daga cikin waɗannan sassa a cikin kayan aiki masu mahimmanci ga aikin rover: X-ray Petrochemical Planetary Instrument ko PIXL.PIXL, wanda aka sanya a ƙarshen cantilever na rover, zai yi nazarin samfurin dutse da ƙasa a saman jan Planet don taimakawa wajen tantance yiwuwar rayuwa a can.
PIXL's 3D bugu sassa sun haɗa da murfin gabanta da murfin baya, firam ɗin hawa, tebur na X-ray da tallafin tebur.A kallon farko, suna kama da sassa masu sauƙi, wasu sassa na gida mai katanga da bango, ƙila an yi su da ƙarfe na takarda.Koyaya, ya bayyana cewa tsananin buƙatun wannan kayan aikin (da rover gabaɗaya) sun dace da adadin matakan aiwatarwa a cikin masana'antar ƙari (AM).
Lokacin da injiniyoyi a NASA's Jet Propulsion Laboratory (JPL) suka tsara PIXL, ba su tashi don yin sassan da suka dace da bugu na 3D ba.Madadin haka, suna bin tsauraran “kasafin kuɗi” yayin da suke mai da hankali sosai kan ayyuka da haɓaka kayan aikin da za su iya cim ma wannan aikin.Nauyin da aka sanya na PIXL shine kawai 16 fam;wuce wannan kasafin kudin zai sa na'urar ko wasu gwaje-gwaje su "tsalle" daga rover.
Kodayake sassan suna da sauƙi, wannan iyakancewar nauyi ya kamata a yi la'akari da shi lokacin zayyana.Wurin aiki na X-ray, firam ɗin tallafi da firam ɗin hawa duk suna ɗaukar tsarin katako na akwatin rami don guje wa ɗaukar kowane ƙarin nauyi ko kayan aiki, kuma bangon murfin harsashi yana da bakin ciki kuma jita-jita sun fi rufe kayan aikin.
PIXL's guda biyar na 3D da aka buga suna kama da madaidaicin sashi da abubuwan haɗin gidaje, amma tsauraran tsarin kasafin kuɗi yana buƙatar waɗannan sassan su sami bangon bakin ciki sosai da tsarin katako mai fa'ida, wanda ke kawar da tsarin masana'anta na yau da kullun da ake amfani da su don kera su.Tushen Hoto: Additives Carpenter
Domin kera sassa masu nauyi da ɗorewa na gidaje, NASA ta juya zuwa Ƙarƙashin Carpenter, mai ba da foda na ƙarfe da sabis na bugu na 3D.Tunda akwai ƙaramin ɗaki don canzawa ko gyaggyara ƙirar waɗannan sassa masu nauyi, Carpenter Additive ya zaɓi narkewar katako na lantarki (EBM) a matsayin mafi kyawun hanyar masana'anta.Wannan tsari na bugu na 3D na ƙarfe na iya samar da katakon akwati mara ƙarfi, bangon bakin ciki da sauran abubuwan da ƙirar NASA ke buƙata.Koyaya, bugu na 3D shine kawai matakin farko a cikin tsarin samarwa.
Electron biam narkewa tsari ne na narkewar foda wanda ke amfani da katako na lantarki azaman tushen makamashi don zaɓin fuse foda na ƙarfe tare.Dukkanin injin ɗin an riga an yi zafi sosai, ana aiwatar da aikin bugu a cikin waɗannan yanayin zafi mai tsayi, sassan suna da zafi sosai lokacin da aka buga sassan, kuma foda da ke kewaye da ita ta zama rabin-sintered.
Idan aka kwatanta da irin wannan tsari na laser sintering na ƙarfe kai tsaye (DMLS), EBM na iya samar da ƙarancin ƙasa da fasali mai kauri, amma fa'idodinsa kuma shine yana rage buƙatar tsarin tallafi kuma yana guje wa buƙatar hanyoyin tushen Laser.Matsanancin zafin jiki wanda zai iya zama matsala.Sassan PIXL suna fitowa daga tsarin EBM, sun ɗan fi girma a girma, suna da tarkace saman, kuma suna kama da biredi a cikin madaidaicin lissafi.
Electron biam melting (EBM) na iya samar da hadaddun nau'ikan sassan PIXL, amma don kammala su, dole ne a aiwatar da jerin matakan aiwatarwa.Tushen Hoto: Additives Carpenter
Kamar yadda aka ambata a sama, don cimma girman ƙarshe, ƙarewar ƙasa da nauyin abubuwan PIXL, dole ne a aiwatar da jerin matakan aiwatarwa.Ana amfani da hanyoyin injina da na sinadarai don cire foda mai saura da santsi.Binciken tsakanin kowane mataki na tsari yana tabbatar da ingancin dukkanin tsari.Ƙarshe na ƙarshe shine kawai gram 22 mafi girma fiye da jimlar kasafin kuɗi, wanda har yanzu yana cikin kewayon da aka yarda.
Don ƙarin cikakkun bayanai game da yadda ake kera waɗannan sassa (ciki har da abubuwan sikelin da ke cikin bugu na 3D, ƙirar tsarin tallafi na wucin gadi da dindindin, da cikakkun bayanai kan cire foda), da fatan za a duba wannan binciken kuma kalli sabon yanayin The Cool Sassan Nuna Don fahimtar dalili, don bugu na 3D, wannan labarin samarwa ne wanda ba a saba gani ba.
A cikin robobi da aka ƙarfafa fiber fiber (CFRP), tsarin cire kayan yana murkushewa maimakon shear.Wannan ya sa ya bambanta da sauran aikace-aikacen sarrafawa.
Ta amfani da na'ura mai yankan niƙa na musamman da kuma ƙara daɗaɗɗen sutura zuwa wuri mai santsi, Toolmex Corp. ya ƙirƙiri injin ƙarewa wanda ya dace sosai don yankan aluminum.Ana kiran kayan aikin "Mako" kuma yana cikin jerin kayan aikin ƙwararrun kamfanin na SharC.
Lokacin aikawa: Fabrairu-27-2021