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3D titẹ sita ti thermoplastic abe kí awọn gbona alurinmorin ati ki o mu atunlo, laimu ni o pọju lati din turbine àdánù ati iye owo nipa o kere 10%, ati gbóògì akoko nipa 15%.

Ẹgbẹ kan ti National Renewable Energy Laboratory (NREL, Golden, Colo., US) awọn oniwadi, ti oludari NREL ẹlẹrọ imọ-ẹrọ afẹfẹ agba Derek Berry, n tẹsiwaju lati ni ilọsiwaju awọn imọ-ẹrọ aramada wọn lati ṣe iṣelọpọ awọn abẹfẹlẹ afẹfẹ to ti ni ilọsiwaju nipasẹsiwaju wọn apapoti thermoplastics atunlo ati iṣelọpọ afikun (AM).Ilọsiwaju naa ṣee ṣe nipasẹ igbeowosile lati Ile-iṣẹ Iṣelọpọ Ilọsiwaju ti Ẹka AMẸRIKA ti Agbara - awọn ẹbun ti a ṣe apẹrẹ lati mu imotuntun imọ-ẹrọ ṣiṣẹ, mu iṣelọpọ agbara ti iṣelọpọ AMẸRIKA ṣiṣẹ ati mu iṣelọpọ awọn ọja gige-eti ṣiṣẹ.

Loni, pupọ julọ awọn abẹfẹlẹ afẹfẹ ti o ni iwọn-iwUlO ni apẹrẹ clamshell kanna: Awọn awọ abẹfẹlẹ fiberglass meji ni a so pọ pẹlu alemora ati lo ọkan tabi pupọ awọn ohun elo lile apapo ti a pe ni awọn oju opo wẹẹbu rirẹ, ilana ti iṣapeye fun ṣiṣe ni awọn ọdun 25 sẹhin.Bibẹẹkọ, lati jẹ ki awọn abẹfẹlẹ afẹfẹ fẹẹrẹ fẹẹrẹ, gigun, ti ko gbowolori ati daradara siwaju sii ni yiya agbara afẹfẹ - awọn ilọsiwaju pataki si ibi-afẹde ti gige awọn itujade eefin eefin ni apakan nipasẹ jijẹ iṣelọpọ agbara afẹfẹ - awọn oniwadi gbọdọ tun ronu patapata ni clamshell ti aṣa, nkan ti o jẹ awọn NREL egbe ká jc idojukọ.

Lati bẹrẹ, ẹgbẹ NREL n dojukọ ohun elo matrix resini.Awọn aṣa lọwọlọwọ dale lori awọn ọna ṣiṣe resini thermoset bii epoxies, polyester ati awọn esters fainali, awọn polima ti, ni kete ti o ti gba iwosan, ọna asopọ agbelebu bi awọn brambles.

Ni kete ti o ba ṣe agbejade abẹfẹlẹ kan pẹlu eto resini thermoset, o ko le yi ilana naa pada,” Berry sọ."Iyẹn [tun] ṣe abẹfẹlẹ naasoro lati atunlo.”

Nṣiṣẹ pẹlu awọnInstitute fun To ti ni ilọsiwaju Composites Manufacturing Innovation(IACMI, Knoxville, Tenn., US) ni NREL's Composites Manufacturing Education and Technology (CoMET) Ohun elo, ẹgbẹ ti ọpọlọpọ-ile-iṣẹ ti o ni idagbasoke awọn ọna ṣiṣe ti o lo thermoplastics, eyiti, ko dabi awọn ohun elo thermoset, le jẹ kikan lati ya awọn polima atilẹba, ti o muu ṣiṣẹ opin. -ti-aye (EOL) atunlo.

Thermoplastic abẹfẹlẹ awọn ẹya le tun ti wa ni darapo lilo a gbona alurinmorin ilana ti o le se imukuro awọn nilo fun adhesives - igba eru ati ki o gbowolori ohun elo - siwaju imudara abẹfẹlẹ atunlo.

"Pẹlu awọn paati abẹfẹlẹ thermoplastic meji, o ni agbara lati mu wọn papọ ati, nipasẹ ohun elo ti ooru ati titẹ, darapọ mọ wọn,” Berry sọ."O ko le ṣe bẹ pẹlu awọn ohun elo thermoset."

Gbigbe siwaju, NREL, pẹlu awọn alabaṣepọ ise agbeseAwọn akojọpọ TPI(Scottsdale, Ariz., AMẸRIKA), Awọn Solusan Imọ-ẹrọ Afikun (Akron, Ohio, AMẸRIKA),Awọn irinṣẹ ẹrọ Ingersoll(Rockford, Ill., AMẸRIKA), Ile-ẹkọ giga Vanderbilt (Knoxville) ati IACMI, yoo ṣe agbekalẹ awọn ẹya mojuto abẹfẹlẹ imotuntun lati jẹ ki iṣelọpọ idiyele-daradara ti iṣẹ ṣiṣe giga, awọn abẹfẹlẹ gigun pupọ - daradara ju awọn mita 100 ni ipari - ti o kere ju iwuwo.

Nipa lilo titẹ sita 3D, ẹgbẹ iwadii naa sọ pe o le gbejade awọn iru awọn apẹrẹ ti o nilo lati ṣe imudojuiwọn awọn abẹfẹlẹ turbine pẹlu iṣelọpọ giga, awọn ohun kohun igbekalẹ net ti awọn iwuwo oriṣiriṣi ati awọn geometries laarin awọn awọ ara igbekale ti abẹfẹlẹ turbine.Awọn awọ abẹfẹlẹ yoo jẹ infused nipa lilo eto resini thermoplastic.

Ti wọn ba ṣaṣeyọri, ẹgbẹ naa yoo dinku iwuwo abẹfẹlẹ turbine ati idiyele nipasẹ 10% (tabi diẹ sii) ati akoko iṣelọpọ iṣelọpọ nipasẹ o kere ju 15%.

Ni afikun si awọnnomba AMO FOA eyefun AM thermoplastic afẹfẹ abẹfẹlẹ abẹfẹlẹ, meji subgrant ise agbese yoo tun Ye to ti ni ilọsiwaju afẹfẹ turbine ẹrọ imuposi.Ile-ẹkọ giga ti Ipinle Colorado (Fort Collins) n ṣe itọsọna iṣẹ akanṣe kan ti o tun nlo titẹ sita 3D lati ṣe awọn akojọpọ okun-fikun fun awọn ẹya ara abẹfẹlẹ inu inu aramada, pẹluOwens Corning(Toledo, Ohio, AMẸRIKA), NREL,Arkema Inc.(Ọba ti Prussa, Pa., US), ati Vestas Blades America (Brighton, Colo., US) gẹgẹbi awọn alabaṣepọ.Ise agbese keji, ti o jẹ idari nipasẹ Iwadi GE (Niskayuna, NY, US), ni a pe ni AMERICA: Additive and Modular-Enabled Rotor Blades and Integrated Composites Assembly.Ibaṣepọ pẹlu Iwadi GE jẹOak Ridge National yàrá(ORNL, Oak Ridge, Tenn., US), NREL, LM Wind Power (Kolding, Denmark) ati GE Isọdọtun Agbara (Paris, France).

Lati: compositesworld