Masana kimiyya a Jami'ar Fasaha ta Michigan, Houghton sun yi nasarar kera filament na itace na 3D daga sharar gida.
An buga nasarar ne a cikin wata takarda bincike da zakaran bude ido Joshua Pearce ya rubuta.Takardar ta binciki yuwuwar haɓaka sharar kayan daki zuwa filament na itace don rage tasirin muhallin sharar itace.
A cewar jaridar, masana'antar kayan daki a Michigan kadai na samar da fiye da tan 150 na sharar itace a rana.
A cikin matakai guda hudu, masana kimiyya sun nuna yiwuwar yin 3D bugu na filament na itace tare da hadewar itace-sharar gida da kuma filastik PLA.Cakudar waɗannan abubuwa biyu an fi saninsu da itace-plastic-composite (WPC).
A mataki na farko, an samu sharar itace daga kamfanonin kera kayan daki daban-daban a Michigan.Sharar da aka yi ta haɗa da daskararrun tukwane da ƙura na MDF, LDF, da melamine.
Wadannan m slabs da sawdust an rage zuwa ƙananan sikelin matakin domin shiri na WPC filament.An niƙa kayan sharar da guduma, aka niƙa a cikin injin tsinkewar itace kuma an tace su ta hanyar amfani da na'urar cire iska mai girgiza, wacce ta yi amfani da na'urar sifa mai girman micron 80.
A ƙarshen wannan tsari, sharar itacen yana cikin yanayin foda tare da yanki mai ƙyalƙyali na gari.Yanzu ana kiran kayan a matsayin “foda-sharar gida.”
A mataki na gaba, an shirya PLA don haɗuwa tare da foda-sharar gida.An yi zafi da pellets na PLA a 210C har sai sun zama masu iya motsawa.An ƙara foda na itace zuwa gaurayar PLA mai narkewa tare da itace daban-daban zuwa nauyin nauyin PLA (wt%) tsakanin 10wt% -40wt% foda-sharar gida.
An sake shigar da ingantaccen kayan a cikin katakon katako don shirya don buɗaɗɗen tushen sake yin fa'ida, mai fitar da filastik don yin filament.
Filament ɗin da aka ƙirƙira ya kasance 1.65mm, mafi ƙarancin diamita fiye da daidaitaccen filament na 3D da ake samu a kasuwa, watau 1.75mm.
An gwada zaren itacen ta hanyar ƙirƙira abubuwa daban-daban, kamar kumbun katako, ƙwanƙolin ƙofa, da riƙon aljihun tebur.Saboda kayan aikin injiniya na filament na itace, an yi gyare-gyare ga Delta RepRap da Re: 3D Gigabot v. GB2 3D masu bugawa da aka yi amfani da su a cikin binciken.Canje-canjen sun haɗa da gyaggyara mai fitarwa da sarrafa saurin bugun.
Buga itace akan madaidaicin zafin jiki shima muhimmin abu ne saboda yawan zafin jiki na iya chaja itacen kuma ya toshe bututun ƙarfe.A wannan yanayin an buga filament na itace a 185C.
Masu binciken sun nuna cewa yana da amfani don yin filament na itace ta amfani da sharar itacen kayan aiki.Duk da haka, sun ɗaga mahimman bayanai don nazari na gaba.Waɗannan sun haɗa da tasirin tattalin arziki da muhalli, cikakkun bayanai na kayan aikin injiniya, yuwuwar samar da sikelin masana'antu.
Takardar ta ƙarasa da cewa: “Wannan binciken ya nuna wata hanya ta fasaha ta haɓaka sharar itacen kayan daki zuwa sassa na 3-D masu amfani don masana'antar kayan daki.Ta hanyar haɗa pellets na PLA da filayen kayan sharar itace da aka sake yin fa'ida an samar da filament tare da diamita na 1.65± 0.10 mm kuma ana amfani da su don buga ƙaramin nau'ikan sassan gwaji.Wannan hanya yayin da aka haɓaka a cikin dakin gwaje-gwaje na iya haɓakawa don biyan bukatun masana'antu kamar yadda matakan tsari ba su da wahala.An ƙirƙiri ƙananan batches na 40wt% na itace, amma sun nuna raguwar maimaitawa, yayin da batches na 30wt% na itace ya nuna mafi alƙawari tare da sauƙin amfani."
Takardar binciken da aka tattauna a wannan labarin mai suna Itace Furniture Waste-Based Recycled 3-D Filament Printing.Adam M. Pringle, Mark Rudnicki, da Joshua Pearce ne suka rubuta shi.
Don ƙarin labarai kan sabbin ci gaba a cikin bugu na 3D, ku yi rajista zuwa wasiƙar buga mu ta 3D.Hakanan ku kasance tare da mu akan Facebook da Twitter.
Lokacin aikawa: Feb-07-2020