Pakati pezvinhu zvese zvinogona kudhindwa 3D, girazi richiri chimwe chezvinhu zvinonetsa. Nekudaro, masayendisiti paResearch Center yeSwiss Federal Institute of Technology Zurich (ETH Zurich) vari kushanda kuti vachinje mamiriro aya kuburikidza nehutsva uye huri nani hwegirazi tekinoroji yekudhinda.
Izvozvi zvinogoneka kudhinda zvinhu zvegirazi, uye nzira dzinowanzo shandiswa dzinosanganisira kana extruding girazi rakanyungudutswa kana kusarudza sintering (laser kudziyisa) ceramic poda kuishandura kuita girazi. Iyo yekutanga inoda kutonhora kwakanyanya uye saka inodzivirira kupisa michina, nepo iyo yekupedzisira haigone kuburitsa zvakanyanya kuoma zvinhu. ETH tekinoroji nyowani ine chinangwa chekuvandudza zvikanganiso zviviri izvi.
Iyo ine photosensitive resin inoumbwa nepurasitiki yemvura uye organic mamorekuru akasungirirwa kune silicon-ine mamorekuru, nemamwe mazwi, iwo mamorekuru eceramic. Uchishandisa hurongwa huripo hunodaidzwa kuti digital light processing, resin inoratidzwa kune muenzaniso we ultraviolet chiedza. Hazvina mhosva kuti mwenje unorova resin kupi, iyo monomer yepurasitiki inoyambuka-link kuti igadzire yakasimba polymer. Iyo polymer ine labyrinth-yakafanana yemukati chimiro, uye nzvimbo iri mulabyrinth yakazadzwa nemamorekuru eceramic.
Chinhu chinoguma chetatu-dimensional chinobva chapiswa patembiricha ye600 ° C kuti chipise kubva papolymer, kuchisiya chete ceramic. Pakupfura kwechipiri, tembiricha yekupfura inenge 1000 ° C, uye ceramic inoshongedzwa kuita girazi rinopenya. Chinhu chacho chinodzikira zvakanyanya kana chashandurwa kuita girazi, chinova chinhu chinofanira kutariswa mukugadzira.
Vatsvakurudzi vakati kunyange zvazvo zvinhu zvakagadzirwa kusvika pari zvino zvidiki, maumbirwo azvo akaoma kunzwisisa. Mukuwedzera, ukuru hwepore hunogona kugadziriswa nekushandura kusimba kwemirairo ye ultraviolet, kana zvimwe zvinhu zvegirazi zvinogona kuchinjwa nekusanganisa borate kana phosphate mu resin.
Mukuru weSwitzerland glassware distributor akatoratidza kufarira kushandisa tekinoroji, iyo yakati fananei nehunyanzvi huri kugadzirwa kuKarlsruhe Institute of Technology kuGermany.
Nguva yekutumira: Zvita-06-2021