Wakambozvibvunza here kuti sei tekinoroji yekudhinda ye3D iri kuwedzera simba uye ichitsiva matekinoroji ekare ekugadzira?
Kana ukaedza kunyora pasi zvikonzero nei shanduko iyi iri kuitika, runyorwa urwu ruchatanga nekugadzirisa zvinhu. Vanhu vari kutsvaga kugadzirisa zvinhu. Havanyanyi kufarira kugadzirisa zvinhu.
Uye imhaka yekuchinja uku mumaitiro evanhu uye kugona kwetekinoroji yekudhinda ye3D kugutsa zvinodiwa nevanhu zvekugadzirisa, kuburikidza nekugadzirisa, kuti ikwanise kutsiva matekinoroji ekugadzira akavakirwa pamaitiro akajairwa.
Kuchinjika-chinjika chinhu chakavanzika chiri kuseri kwekutsvaga kwevanhu maitiro ekugadzirisa zvinhu. Uye chokwadi chekuti kune zvinhu zvinochinjika zve3D zviripo pamusika zvinoita kuti vashandisi vagadzire zvikamu zvinochinjika-chinjika uye maprototype anoshanda zvakanaka chinounza mufaro mukuru kune vamwe vashandisi.
Mafashoni akadhindwa mu3D uye maoko ekugadzira akadhindwa mu3D muenzaniso wemashandisirwo ayo kuchinjika kwekudhinda mu3D kunofanira kunzwisiswa.
Kudhinda nerabha 3D inzvimbo ichiri kuda kutsvagurudzwa asi isati yagadzirwa. Asi parizvino, hatina tekinoroji yekudhinda nerabha 3D, kusvika rabha yave kudhindwa zvizere, tinofanira kushandisa dzimwe nzira.
Uye sekutsvaga kwakaitwa, dzimwe nzira dziri pedyo dzinoshandiswa panzvimbo perabha dzinonzi Thermoplastic Elastomers. Kune mhando ina dzakasiyana dzezvinhu zvinochinjika dzatichaongorora zvakadzama muchinyorwa chino.
Zvinhu izvi zvekudhinda zve3D zvinochinjika zvinonzi TPU, TPC, TPA, uye Soft PLA. Tichatanga nekukupai pfupiso yezvinyorwa zvekudhinda zve3D zvinochinjika.
Chii chinonzi Filament Inonyanya Kuchinjika?
Kusarudza michina inochinjika yekudhinda kwe3D kuchaita kuti pave nemikana yakasiyana-siyana yekudhinda kwako.
Haungogone kudhinda zvinhu zvakasiyana-siyana uchishandisa flex filament yako chete, asiwo kana uine printa ine dual kana multi-head extruder, unogona kudhinda zvinhu zvinoshamisa uchishandisa chinhu ichi.
Zvikamu uye ma prototype anoshanda akadai sema flip flops akagadzirwa nemaoko, stress ball-heads, kana ma vibration dampeners anogona kudhindwa uchishandisa printa yako.
Kana wakatsunga kuita kuti Flexi filament ive chikamu chekudhinda zvinhu zvako, uchabudirira kuita kuti fungidziro dzako dzive pedyo nechokwadi.
Nekuda kwesarudzo dzakawanda dziripo nhasi uno mubasa iri, zvingave zvakaoma kufungidzira nguva yakatopfuura mubasa rekudhinda kwe3D pasina zvinhu izvi zvekudhinda.
Kune vashandisi, kudhinda neshinda dzinochinjika, kare ikako, kwaive kurwadza. Kurwadziwa kwacho kwaikonzerwa nezvinhu zvakawanda zvaitenderera zvichitenderera nepfungwa yekuti zvinhu izvi zvakapfava zvikuru.
Kupfava kwezvishandiso zvekudhinda zve3D zvaikwanisa kuchinjika kwakaita kuti zvive nenjodzi yekudhindwa neprinta chero ipi zvayo, pachinzvimbo, waida chimwe chinhu chakavimbika zvechokwadi.
Mazhinji emaprinta panguva iyoyo aisangana nedambudziko rekusunda string effect, saka pese pawaisunda chimwe chinhu panguva iyoyo chisina kuomarara nepamuromo, chaikotama, chaimonyoroka, uye chairwisa.
Munhu wese anoziva kudurura shinda kubva mutsono yekusona chero rudzi rwejira anogona kunzwisisa chiitiko ichi.
Kunze kwedambudziko rekusundidzira simba, kugadzira tambo dzakapfava dzakadai seTPE kwaive basa rakaoma zvikuru, kunyanya nekushanda zvakanaka.
Kana uchifunga nezvekusagona kushivirira wotanga kugadzira, pane mikana yekuti shinda yawakagadzira ingangofanira kukanganiswa, kuvharika, uye kubudiswa zvisina kunaka.
Asi zvinhu zvachinja, pari zvino, kune mhando dzakasiyana dzemafilaments akapfava, mamwe acho ane hunhu hwakapfava uye hunyoro hwakasiyana. Soft PLA, TPU, uye TPE ndedzimwe dzemienzaniso.
Kuoma kwemahombekombe
Ichi ndicho chinhu chinowanzoonekwa nevagadziri vemafilament vachitaura pamwe chete nezita rezvinhu zvavo zvekudhinda zve3D.
Kuoma kweGungwa kunotsanangurwa sechiyero chekuramba kwechinhu chimwe nechimwe kuti chisapinde mukati.
Chikero ichi chakagadzirwa kare apo vanhu vakanga vasina kana chirevo pavaitaura nezvekuoma kwechinhu chipi zvacho.
Saka, kuomarara kweShore kusati kwagadzirwa, vanhu vaifanira kushandisa ruzivo rwavo kune vamwe kutsanangura kuomarara kwechinhu chero chipi zvacho chavakanga vamboedza, pane kutaura nhamba.
Chiyero ichi chinova chinhu chakakosha pakufunga nezvezvinhu zvechiumbwa zvekusarudza pakugadzira chikamu cheprototype inoshanda.
Semuenzaniso, kana uchida kusarudza pakati pemarabha maviri ekugadzira mold ye plaster standing ballerina, Shore hardness ingakuudza kuti uve nerabha ye short hardness 70 A hainyanyi kubatsira pane rabha ine shore hardness ye30 A.
Kazhinji paunenge uchibata neshinda, unoziva kuti kuomarara kunokurudzirwa kwechinhu chinochinjika kunobva pa100A kusvika 75A.
Apa, zviri pachena kuti, zvinhu zvinodhindwa zve3D zvinochinjika zvine kuomarara kwemahombekombe kwe100A zvingave zvakaoma kupfuura zvine 75A.
Chii Chekufunga Nezvacho Paunenge Uchitenga Flexible Filament?
Pane zvinhu zvakasiyana-siyana zvekufunga nezvazvo pakutenga chero shinda, kwete chete dzinochinjika.
Unofanira kutanga nepfungwa huru inonyanya kukosha kwauri, senge mhando yezvinhu zvinozoita kuti uve nechikamu chinotaridzika zvakanaka cheprototype inoshanda.
Wobva wafunga nezvekuvimbika kwemuchina wekupa zvinhu, kureva kuti zvinhu zvaunoshandisa kamwe chete pakudhinda kwe3D, zvinofanira kugara zviripo, zvikasadaro, unozopedzisira washandisa chero magumo akaganhurirwa ekudhinda kwe3D.
Mushure mekufunga nezvezvinhu izvi, unofanira kufunga nezvekusimba kwakanyanya, mavara akasiyana-siyana. Nekuti, hazvisi zvese zvinodhindwa zve3D zvinogona kuwanikwa muruvara rwaunoda kutenga narwo.
Mushure mekufunga nezvezvinhu izvi zvese munogona kufunga nezvebasa revatengi rekambani uye mutengo wayo zvichienzaniswa nemamwe makambani ari pamusika.
Iye zvino tichanyora pasi zvimwe zvezvinhu zvaunogona kusarudza pakudhinda chikamu chinochinjika kana prototype inoshanda.
Rondedzero yezvinhu zvinodhinda zve3D zvinochinjika
Zvese zvataurwa pamusoro apa zvine hunhu hwakakosha sekuti zvese zvinochinjika uye zvakapfava. Zvishandiso izvi zvinodzivirira kuneta zvakanyanya uye zvine hunhu hwakanaka hwemagetsi.
Dzine simba guru rekudzikamisa ganda uye dzinodzivirira kudonha kweganda. Zvinhu izvi zvinoratidza kusabatwa nemakemikari nemamiriro ekunze, uye dzinodzivirira kubvaruka nekukweshwa zvakanaka.
Dzese dzinogona kudzokororwa uye dzine simba rakanaka rekudzivirira kuvhunduka.
Zvinodiwa zvekudhinda zveFlexible 3D printing
Pane zvimwe zvinotendwa zvinofanira kuteererwa paprinta yako usati wadhinda nezvinhu izvi.
Tembiricha yekunze kweprinta yako inofanira kunge iri pakati pe210 ne260 degrees Celsius, nepo tembiricha yemubhedha inofanira kubva patembiricha yekunze kusvika 110 degrees Celsius zvichienderana netembiricha yekuchinja kwegirazi yezvinhu zvaunoda kudhinda.
Kumhanya kunokurudzirwa kwekudhinda paunenge uchidhinda nezvinhu zvinochinjika kunogona kubva pamamirimita mashanu pasekondi kusvika pamamirimita makumi matatu pasekondi.
Sisitimu yekuburitsa zvinhu muprinta yako ye3D inofanira kunge iri direct drive uye unokurudzirwa kuva nefeni inotonhodza kuti zvikamu uye maprototypes aunoshandisa agadziriswe nekukurumidza mushure mekugadziriswa.
Matambudziko pakudhinda nezvinhu izvi
Ehe, pane zvimwe zvinhu zvaunofanira kutarisana nazvo usati wadhinda nezvinhu izvi zvichibva pamatambudziko akasangana nevashandisi kare.
-Thermoplastic elastomers inozivikanwa nekusabatwa zvakanaka ne extruders dzeprinta.
-Zvinotora hunyoro, saka tarisira kuti print yako ibude muhukuru kana shinda isina kuchengetwa zvakanaka.
-Thermoplastic elastomers inonzwa kufamba nekukurumidza saka inogona kusungwa kana ikasundirwa nepa extruder.
TPU
TPU inomirira thermoplastic polyurethane. Inonyanya kufarirwa pamusika saka, paunenge uchitenga filaments dzinochinjika, pane mikana yakawanda yekuti jira iri ndiro raunowanzo sangana naro kana tichienzanisa nedzimwe filaments.
Inozivikanwa mumusika nekuratidza kuomarara kwakanyanya uye inobvumira kubuda zviri nyore kupfuura mamwe mafilaments.
Chishongo ichi chine simba rakanaka uye chinogara kwenguva refu. Chinochinjika zvakanyanya kubva pa600 kusvika 700 muzana.
Kuomarara kwechinhu ichi pamhenderekedzo yegungwa kunobva pa60 A kusvika 55 D. Chinogona kudhindwa zvakanaka, uye chinoonekera zvishoma.
Kusabatwa kwayo nemakemikari nemafuta uye makemikari zvinoita kuti ive yakakodzera kushandiswa nemaprinta e3D. Chinhu ichi hachina kukanganiswa zvakanyanya.
Unokurudzirwa kuchengetedza tembiricha yeprinta yako iri pakati pe210 kusvika 230 degrees Celsius uye tembiricha iri pakati pe60 degrees Celsius paunenge uchidhinda neTPU.
Kumhanya kwekudhinda, sezvataurwa pamusoro apa, kunofanira kuva pakati pemamirimita mashanu nemakumi matatu pasekondi, ukuwo pakunamira pamubhedha unokurudzirwa kushandisa Kapton kana tepi yekupenda.
Chinoburitsa mhepo chinofanira kunge chiri direct drive uye fan yekutonhodza haikurudzirwi kunyanya pazvikamu zvekutanga zveprinta iyi.
TPC
Dzinomiririra thermoplastic copolyester. Panyaya yemakemikari, ipolyether esters dzine alternating random length sequence ye alternating random length glycols ingava refu kana pfupi.
Zvikamu zvakaoma zvechikamu ichi zvikamu zve ester zve short-chain, nepo zvikamu zvakapfava zvinowanzova aliphatic polyethers uye polyester glycols.
Nekuti iyi 3D printing texture inochinjika inoonekwa seyemhando yepamusoro yeinjiniya, haisi chinhu chaungawanzoona seTPU.
TPC ine density yakaderera ine elastic range ye300 kusvika 350 muzana. Kuoma kwayo kweShore kunobva pa40 kusvika 72 D.
TPC inoratidza kuramba zvakanaka kumakemikari uye simba rakawanda nekugadzikana kwakanaka kwekupisa uye kuramba kupisa.
Paunenge uchidhinda neTPC, unokurudzirwa kuchengetedza tembiricha yako iri pakati pe220 kusvika 260 degrees Celsius, tembiricha yemubhedha iri pakati pe90 kusvika 110 degrees Celsius, uye kumhanya kwekudhinda kwakafanana neTPU.
TPA
Iyo makemikari eTPE neNylon anonzi Thermoplastic Polyamide musanganiswa wemagadzirirwo akapfava uye anopenya anobva kuNylon uye kuchinjika kwayo kunove chipo cheTPE.
Ine kuchinjika kwakanyanya uye kusimba kwesimbi iri pakati pe370 ne497 muzana, nekuomarara kweShore kuri pakati pe75 ne63 A.
Yakasimba zvikuru uye inogona kudhindwa zvakanaka padanho rakafanana neTPC. Inodzivirira kupisa zvakanaka pamwe nekunamatira padanho rakasiyana.
Tembiricha yedhinda inobuda pakudhinda zvinhu izvi inofanira kunge iri pakati pe220 kusvika 230 degrees Celsius, nepo tembiricha yemubhedha inofanira kunge iri pakati pe30 kusvika 60 degrees Celsius.
Kumhanya kwekudhinda kweprinta yako kunogona kufanana nekukurudzirwa kwainoitwa paunenge uchidhinda TPU neTPC.
Kunamatira kwemuchina wekudhinda pamubhedha kunofanira kunge kwakavakirwa paPVA uye sisitimu yekubvisa inogona kunge iri direct drive pamwe neBowden.
Nguva yekutumira: Chikunguru-10-2023