- I-Acetone iyisisombululo esifanele se-ABS ne-ASA, kodwa ayisebenzi futhi ingase ibe yingozi ku-PLA.
- Kunezinye izindlela zokusebenzisa imishini kanye namakhemikhali ezifana nokusikwa kwe-progressive sanding, i-ethyl acetate vapor, noma i-epoxy coatings.
- Ukucubungula kahle ngemva kokucubungula akugcini nje ngokuthuthukisa ubuhle ngokususa imigqa yezendlalelo, kodwa futhi kungathuthukisa amandla esakhiwo.
Ngiyaqiniseka ukuthi sekwenzekile kuwe: uqeda ukuphrinta okubukeka kahle kakhulu ku-geometry, kodwa uma ukubhekisisa, labo imivimbo ejwayelekile evundlile del proceso de capas te sacan de quicio. Conseguir ese acabado «de espejo» o profesional, similar al de las piezas inyectadas en molde, es el santo grial de cualquier maker que quiera que sus proyectos no parezcan simples prototipos.
Into yokuqala evame ukufika engqondweni ukuthela i-acetone kukho konke, kodwa qaphela, yilapho abantu abaningi bephambuka khona. Akuwona wonke amapulasitiki asabela ngendlela efanayo, futhi uma ungaqaphile, unga... guqula igumbi lakho libe yichibi yepulasitiki encibilikisiwe noma uyishiye ibukeka kabi, imhlophe. Ukuze sigweme ukungaboni, ake sichaze ukuthi yini esebenza ngempela kuye ngezinto ozisebenzisayo nokuthi ungayenza kanjani ngaphandle kokubeka impilo yakho noma indawo yakho yokusebenzela engozini.
Umhlaba wokuqondisa izinwele ngamakhemikhali: i-Acetone, i-ABS kanye ne-ASA
Uma usebenza ne I-ABS noma i-ASAUnenhlanhla, ngoba lezi zinto zingabangane abakhulu be-acetone. Lesi sinyibilikisi se-organic siyakwazi ukuncibilikisa ungqimba olungaphezulu lwepulasitiki, okwenza imigqa inyamalale futhi ishiye ukuphela okubushelelezi. ukukhanya okumangalisayoLe nqubo isekelwe ekuvezeni ucezu emisipheni, njengoba ukucwilisa ngqo ngokuvamile kungumqondo omubi okonakalisa imodeli futhi kudale amabhamuza.
Ukuze wenze lokhu kahle, into engcono kakhulu ongayenza ukusetha i- ibhokisi lokuqondisaUngasebenzisa isitsha se-polypropylene (esingancibiliki ku-acetone) bese ubeka ucezu endaweni ephakeme, njengeshidi lensimbi, ukuze lungathinti uketshezi. Indlela elula ukucwilisa amathawula ephepha ku-acetone bese uwabeka emaphethelweni, kodwa uma ufuna ukuya phambili, ungasebenzisa ifeni encane ukuhambisa umusi noma ukushisa isisekelo kancane kakhulu (njalo ngokuqapha okukhulu) ukuze kusheshiswe inqubo.
Kubalulekile ukungalivali ibhokisi ukuze kuvinjelwe ukwakheka kwengcindezi kanye nengozi yokuqhuma. Futhi, uma usuyisusile ingxenye, ungayithinti ngokushesha; ipulasitiki isavutha. ithambile futhi inamathela Yiyeke isikhashana. Yiyeke ihlale amahora ambalwa ukuze isinyibilikisi siphele ngokuphelele futhi izigxivizo zakho zeminwe zingashiywa phezu kwamanzi.
Inkinga ye-PLA: Ingabe i-acetone iyasebenza?
Yilapho kuphakama khona ukungabaza. Abasebenzisi abaningi babuza ukuthi bangenza okufanayo yini nge-PLA, futhi impendulo emfushane ithi cha ozwakalayoI-Acetone ayincibilikisi i-PLA ngendlela efanayo ne-ABS; esikhundleni sokuyishelela, cishe ingxenye izobe ingacaci, futhi kuzovela ukungapheleli. amabala amhlophe noma, esimweni esibi kakhulu, ukuthi izinto ziyaqhekeka ngenxa yomphumela wokucindezeleka kwamakhemikhali.
Uma ufuna isiphetho samakhemikhali se-PLA, kunezinketho eziningi ezingavamile ezifana i-ethyl acetateokunganciphisa kakhulu ubulukhuni, noma i-chloroform, yize lokhu kokugcina kuyingozi kakhulu futhi kunzima ukukuthola ngokusemthethweni. Enye indlela iwukuthi isopropyl utshwalaKodwa qaphela: lokhu kwenzelwa ukuhlanza amafutha nothuli ngaphambi kokupenda; akunamandla okushelela ku-PLA.
Izindlela zomshini kanye nokugqoka kwazo zonke izinto
Uma ikhemistri yehluleka noma iyingozi kakhulu, ukusantisa okuqhubekayo Yindlela endala ethembekile. Isihluthulelo lapha ukubekezela hhayi ukweqa izinyathelo. Uqala ngegrit eqinile (njenge-120 noma i-180) ukuze ususe amaqhubu amakhulu bese kancane kancane usebenza kuze kube yigrit encane kakhulu (1000, 2000 noma ngaphezulu). ukusantisa okumanzi Kuyisu eliyinhloko ukuvimbela ipulasitiki ukuthi ingashisi ngenxa yokungqubuzana nokwenza ukuqeda kube bushelelezi kakhulu.
Uma ungafuni ukuchitha amahora amaningi uhlanza, ungasebenzisa i-filler primerKufakwa ungqimba, kuhlanzwe ngesihlabathi, bese inqubo iphindaphindwa. Lokhu kugcwalisa imisele phakathi kwezingqimba ngaphandle kokuguguleka kakhulu kwepulasitiki yokuqala. Kulabo abafuna ukuqeda okucwebezelayo kakhulu, kobungcweti, izembozo ze-resin ye-epoxy Ziyindlela enhle kakhulu, njengoba zakha ifilimu eqhubekayo efihla noma yikuphi ukungapheleli, yize kufanele kuqashelwe ukuthi zengeza ukujiya okuncane entweni.
Ukuphepha kanye nezinyathelo zokuphepha ezibalulekile
Ukusebenza ngezinyibilikisi akuyona umdlalo. I-Acetone iyinto kuyavutha kakhulu futhi umusi wayo ungakwenza ube nesiyezi noma ucasule umgudu wakho wokuphefumula uma ungaqaphile. Kuyimpoqo ukusebenza endaweni ene- umoya omningiKungcono uma ungaphandle noma unefeni enamandla yokukhipha umoya, futhi njalo gqoka amagilavu e-nitrile nezibuko zokuzivikela.
Ungakhohlwa ukuba ne- isicisha-mlilo sikhona Gcina noma yimiphi imithombo yokushisa, njengogwayi noma izinhlansi zikagesi, kude nendawo yakho yokusebenza. Ukugqoka imaski enezihlungi zomusi wemvelo kunconywa kakhulu, njengoba ukuhogela la makhemikhali isikhathi eside kungaba yingozi empilweni yakho.
Amathiphu okungonakalisi ucezu
Iphutha elivamile ukulisebenzisa ngokweqile ithuluzi. Uma usebenzisa i-Dremel, kwenze ku- ama-revs aphansi futhi usebenzise ukunyakaza okusheshayo; uma uhlala endaweni eyodwa, ukushisa kuzoncibilikisa ipulasitiki bese kushiya umsele ongenakwenzeka ukuwususa. Ngokuphathelene nokuqondisa umusi, hlola ingxenye njalo ngemizuzu embalwa. Uma uyishiya ivuliwe isikhathi eside kakhulu, imininingwane emincane kanye nemiphetho Zizokwenziwa zibe yindilinga, futhi imodeli yakho izolahlekelwa ukunemba kobukhulu.
Ukuze uhlanganise izingcezu ngaphandle kokuphazamiseka, kungcono ukusebenzisa i-cyanoacrylate noma i-epoxy, bese uyifaka i-putty yokugcwalisa mayelana nejoyinti. Uma seyomile, iyasikwa futhi ibekwe nge-primer, okwenza ingxenye ibukeke njengeyunithi eyodwa eqinile, engenamthungo.
Ukuqeda ubuso kahle kudinga ukuqonda ikhemikhali yefilamenti ngayinye kanye nobuchwepheshe ngamathuluzi. Nakuba i-ABS ne-ASA zilulama kalula ngomusi we-acetone, i-PLA idinga indlela yobuciko esekelwe ekusikeni ngokucophelela kanye nokusetshenziswa kwama-primer noma ama-epoxy resins. Kungakhathaliseki ukuthi iyiphi indlela, ukuphepha kumele kube yinto eza kuqala ukuze kugwenywe izingozi ngezinto ezivuthayo, kuqinisekiswe njalo ukuthi ukucubungula ngemuva kokuthuthukisa ubuhle namandla engxenye ngaphandle kokubeka engcupheni i-geometry yayo yokuqala.