Kukho ukhetho olubanzi lwemathiriyeli ekrwada yee-composites, kubandakanya ii-resin, iifayibha, kunye nemathiriyeli engundoqo, kwaye imathiriyeli nganye ineempawu zayo ezizodwa zamandla, ukuqina, ukuqina, kunye nokuzinza kwe-thermal, kunye neendleko ezahlukeneyo kunye nezivuno. Nangona kunjalo, ukusebenza kokugqibela kwezinto ezidibeneyo ngokubanzi akuhambelani kuphela ne-resin matrix kunye neefayili (kunye neyona nto ingundoqo kwisakhiwo se-sandwich), kodwa ihambelana ngokusondeleyo kwindlela yokuyila kunye nenkqubo yokuvelisa izinto kwisakhiwo. Kweli phepha, siza kuzisa iindlela zokuvelisa ezisetyenziswa ngokuqhelekileyo kwii-composites, ezona zinto ziphembelelayo eziphambili zendlela nganye kunye nendlela izinto ezisetyenziswa ngayo ezikhethiweyo kwiinkqubo ezahlukeneyo.
Ukubumba ukutshiza
I-1, inkcazo yendlela: i-fiber-cut-cut-cut-cut-cut-cut-cut-fiber-reinforcement material kunye ne-resin system ngaxeshanye itshizwe kwi-mold, emva koko iphiliswe phantsi koxinzelelo lwe-atmospheric kwiimveliso ezidibeneyo ze-thermosetting zenkqubo yokubumba.
2. Ukukhethwa kwezinto:
I-resin: ikakhulu i-polyester
Ifayibha: umsonto orhabaxa wefiber
Izinto eziphambili: akukho nanye, kufuneka zidibaniswe neplywood yodwa
3. Iingenelo eziphambili:
1) Imbali ende yobugcisa
2) Ixabiso eliphantsi, ukubekwa ngokukhawuleza kwefiber kunye ne-resin
3) Ixabiso eliphantsi lokungunda
4, ezona zinto zingalunganga:
1) I-plywood ilula ukwenza indawo ecebileyo ye-resin, ubunzima obuphezulu
2) Kuphela iifiber ezinqamlekileyo zingasetyenziselwa, ezithintela ngokugqithiseleyo iimpawu zemishini yeplywood.
3) Ukuze kube lula ukutshiza, i-resin viscosity idinga ukuba iphantsi ngokwaneleyo, ilahlekelwe yimpahla yomatshini kunye ne-thermal yezinto ezidibeneyo.
4) Isiqulatho esiphakamileyo se-styrene se-spray resin sithetha ukuba kukho ingozi ephezulu kumqhubi, kwaye i-viscosity ephantsi ithetha ukuba i-resin inokungena lula kwiimpahla zokusebenza zabasebenzi kwaye idibane ngqo nesikhumba.
I-5) Ukuxinwa kwe-styrene eguqukayo emoyeni kunzima ukuhlangabezana neemfuno zomthetho.
5. Usetyenziso oluqhelekileyo:
Ucingo olulula, iiphaneli zesakhiwo somthwalo ophantsi onje ngemizimba yemoto eguqulwayo, iilori ezilungelelanisiweyo, iibhafu kunye nezikhephe ezincinci.
Ukubumba ukuLayika kwezandla
I-1, inkcazo yendlela: ukungena ngesandla kwi-resin kwi-fibers, i-fibers inokuphonswa, ukuphonswa, ukuthungwa okanye ukudityaniswa kunye nezinye iindlela zokuqinisa, ukubunjwa kwezandla ngokuqhelekileyo kwenziwa ngee-roller okanye iibrashi, kwaye emva koko i-resin icinezelwe nge-glue roller ukuze ingene kwimicu. I-plywood ifakwe phantsi koxinzelelo oluqhelekileyo lokunyanga.
2. Ukukhethwa kwezinto:
I-resin: akukho mfuneko, i-epoxy, i-polyester, i-polyethylene-based ester, i-phenolic resins ziyafumaneka
Ifayibha: akukho mfuneko, kodwa ubunzima besiseko sefayibha enkulu ye-aramid kunzima ukungena kwisandla esibekwe ngesandla.
Izinto eziphambili: akukho mfuneko
3, iingenelo eziphambili:
1) Imbali ende yeteknoloji
2) Kulula ukufunda
3) ixabiso eliphantsi lokungunda ukuba usebenzisa i-resin yokushisa kwegumbi lokushisa
4) Ukukhetha okubanzi kwezinto kunye nababoneleli
5) Umxholo wefiber ophezulu, iifiber ezide ezisetyenzisiweyo kunenkqubo yokutshiza
I-4, izinto ezingalunganga eziphambili:
1) Ukuxuba i-resin, umxholo we-laminate resin kunye nomgangatho uhambelana ngokusondeleyo nobuchule bomqhubi, kunzima ukufumana umxholo ophantsi we-resin kunye ne-porosity ephantsi ye-laminate.
2) Iingozi zempilo kunye neengozi zokhuseleko lwe-resin, ubunzima be-molecular ye-resin yokubeka isandla, ubukhulu bengozi yempilo enokubakho, i-viscosity ephantsi ithetha ukuba i-resin iyakwazi ukungena kwiimpahla zokusebenza zabasebenzi kwaye ngaloo ndlela idibane ngqo nolusu.
I-3) Ukuba umoya olungileyo awufakwanga, ukuxinwa kwe-styrene kukhutshwe kwi-polyester kunye ne-polyethylene-based esters emoyeni kunzima ukuhlangabezana neemfuno zomthetho.
I-4) I-viscosity ye-resin ye-hand-paste idinga ukuba iphantsi kakhulu, ngoko umxholo we-styrene okanye ezinye i-solvents kufuneka zibe phezulu, ngaloo ndlela ulahlekelwe yimpahla yomatshini / yokushisa yezinto ezidibeneyo.
5) Usetyenziso oluqhelekileyo: amaphiko einjini yomoya eqhelekileyo, izikhephe eziveliswe ngobuninzi, iimodeli zoyilo.
Inkqubo yokuhambisa i-vacuum
1. Inkcazo yendlela: Inkqubo yokugubha i-vacuum yongezwa kwenkqubo yokubeka izandla engentla, oko kukuthi, ukutywina umaleko wefilimu yeplastiki kwi-mold iya kuba yi-vacuum ye-plywood yokubeka ngesandla, ukusebenzisa uxinzelelo lwe-atmospheric kwi-plywood ukufezekisa umphumo wokukhupha kunye nokuqina, ukwenzela ukuba kuphuculwe umgangatho wezinto ezidibeneyo.
2. Ukukhethwa kwezinto:
I-Resin: ubukhulu becala i-epoxy kunye ne-phenolic resins, i-polyester kunye ne-polyethylene-based ester ayisebenzi, kuba iqulethe i-styrene, i-volatilization kwimpompo yokucoca.
Ifayibha: akukho mfuneko, nokuba ubunzima besiseko semicu emikhulu inokungeniswa phantsi koxinzelelo
Izinto eziphambili: akukho mfuneko
3. Iingenelo eziphambili:
I-1) Umxholo wefayibha ophezulu kunenkqubo eqhelekileyo yokubeka izandla inokufezekiswa
I-2) Umlinganiselo we-void ungaphantsi kunenkqubo eqhelekileyo yokubeka izandla.
3) Ngaphantsi koxinzelelo olubi, i-resin igeleza ngokwaneleyo ukuphucula iqondo lokungena kwefiber, ngokuqinisekileyo, inxalenye ye-resin iya kuxutywa yi-vacuum consumables.
I-4) Impilo kunye nokhuseleko: inkqubo ye-vacuum bagging inokunciphisa ukukhululwa kwee-volatiles ngexesha lokunyanga
I-4, izinto ezingalunganga eziphambili:
I-1) Inkqubo eyongezelelweyo yonyusa iindleko zomsebenzi kunye nempahla ye-vacuum vacuum elahlayo
2) Iimfuno zezakhono eziphezulu kubaqhubi
I-3) Ukuxuba ukuxuba kunye nokulawulwa komxholo we-resin kuxhomekeke kakhulu kubuchule bomqhubi
I-4) Nangona iingxowa ze-vacuum zinciphisa ukukhululwa kwezinto eziguquguqukayo, ingozi yempilo kumqhubi isephezulu kunokuba i-infusion okanye inkqubo ye-prepreg.
I-5, Izicelo eziqhelekileyo: ubungakanani obukhulu, iiyachts zoshicilelo olulodwa olulinganiselweyo, iinqwelo zeemoto ezibalekayo, inkqubo yokwakhiwa kweenqanawa ye-core material bonding.
UkuBumba ngokujija
1. Inkcazo yendlela: Inkqubo yokujija isetyenziselwa ukwenza iindawo ezingenanto, ezingqukuva okanye ezimile okweqanda njengemibhobho kunye nemikhombe. iinyanda Ifayibha resin-ifakwe kwaye ke amanxeba kwi mandrel kumacala ahlukeneyo. Inkqubo ilawulwa ngumatshini wokujija kunye nesantya mandrel.
2. Ukukhethwa kwezinto:
I-resin: akukho mfuneko, njenge-epoxy, i-polyester, i-polyethylene-based ester kunye ne-phenolic resin, njl.
Ifayibha: akukho mfuneko, ukusetyenziswa ngokuthe ngqo kweenyanda zefiber zesakhelo se-spool, akufuneki ukuba uthunge okanye uthunge olulukiweyo kwilaphu lefiber.
Izinto ezingundoqo: akukho mfuneko, kodwa ulusu luhlala luyinto enye edibeneyo
3. iingenelo eziphambili:
(1) isantya sokuvelisa ngokukhawuleza, yindlela yoqoqosho kunye nengqiqo yokubeka i-layups
(2) Umxholo we-resin unokulawulwa ngokulinganisa ubungakanani be-resin eqhutywe yi-fiber bundles edlula kwi-resin groove.
(3) Iindleko zefayibha ezincitshisiweyo, akukho nkqubo yokuluka ephakathi
(4) ukusebenza okugqwesileyo kolwakhiwo, kuba imiqadi yefiber yomtya inokubekwa ecaleni kweendlela ezahlukeneyo zokuthwala umthwalo.
4. Izinto ezingeloncedo eziphambili:
(1) Inkqubo ilinganiselwe kwizakhiwo ezingqukuva.
(2) Iifayibha azikho lula kwaye zilungelelaniswe ngokuchanekileyo kwicala le-axial yecandelo
(3) Iindleko eziphezulu ze-mandrel zokubumba ezintle kwiindawo ezinkulu zesakhiwo
(4) Umphandle wangaphandle wesakhiwo awuyiyo indawo yokubumba, ngoko ke i-aesthetics imbi ngakumbi
(5) Ukusetyenziswa kwe-resin ye-viscosity ephantsi, kufuneka ingqalelo kwiipropati zomatshini kunye nempilo kunye nokusebenza kokhuseleko.
Ukusetyenziswa okuqhelekileyo: iitanki zokugcina imichiza kunye nemibhobho, iisilinda, iitanki zokuphefumla zokucima umlilo.
Ukubumba i-pultrusion
1. indlela yokuchaza: ukusuka kumphathi we-bobbin ozotywe kwi-fiber bundle efakwe kwi-glue ngokusebenzisa ipleyiti yokufudumeza, kwipleyiti yokufudumeza ukugqiba i-resin kwi-fiber infiltration, kunye nokulawula umxholo we-resin, kwaye ekugqibeleni izinto ziya kunyangwa kwimilo efunekayo; le milo yemveliso ephilileyo enyangisiweyo isikwa ngoomatshini ubude obahlukeneyo. IiFibers zinokungena kwipleyiti eshushu kwicala elingaphandle kwe-0 degrees. I-Extrusion kunye nokwelula ukubumba yinkqubo yokuvelisa eqhubekayo kunye necandelo elinqamlezayo lemveliso ngokuqhelekileyo linesimo esisisigxina, esivumela ukuhluka okuncinci. Uya kudlula ipleyiti eshushu yezinto pre-wetted fixed kwaye isasazeke isikhunta ngokukhawuleza ukunyanga, nangona inkqubo enjalo ingaqhubekiyo ngaphantsi, kodwa inokufezekisa utshintsho imilo cross-candelo.
2. Ukukhethwa kwezinto:
I-resin: ngokuqhelekileyo i-epoxy, i-polyester, i-polyethylene-based ester kunye ne-phenolic resin, njl.
Ifayibha: akukho mfuneko
Izinto ezingundoqo: aziqhelekanga ukusetyenziswa
3. Iingenelo eziphambili:
(1) isantya sokuvelisa ngokukhawuleza, yindlela eyongayo kunye nefanelekileyo yokumanzisa kwangaphambili kunye nokunyanga izinto
(2) ulawulo oluchanekileyo lwe-resin content
(3) ukuncitshiswa kweendleko zefayibha, akukho nkqubo yokuluka ephakathi
4
(5) indawo yokungeniswa kwefiber ingavalwa ngokupheleleyo ukuze kuncitshiswe ukukhutshwa kwee-volatiles
4. ezona zinto zingalunganga:
(1) inkqubo iyanciphisa imilo yecandelo elinqamlezayo
(2) Iindleko eziphezulu zeplate yokufudumeza
5. Ukusetyenziswa okuqhelekileyo: imiqadi kunye neetrasi zezakhiwo zezindlu, iibhuloho, iileli kunye neecingo.
Inkqubo yokuBumba iResin Transfer (RTM)
1. Inkcazo yendlela: Iifayili ezomileyo zibekwe kwi-mold ephantsi, enokuthi igxininiswe kwangaphambili ukuze i-fibers ifake i-shape ye-mold kangangoko kunokwenzeka kwaye iboshwe ngokubambelela; emva koko, i-mold ephezulu igxininiswe kwi-mold ephantsi ukwenza i-cavity, kwaye i-resin ifakwe kwi-cavity. I-vacuum-assisted resin injection kunye nokungena kwi-fibers, eyaziwa ngokuba yi-Vacuum-Assisted Resin Injection (VARI), isetyenziswa ngokuqhelekileyo. Emva kokuba i-fiber infiltration igqityiwe, i-valve ye-resin introduction valve ivaliwe kwaye i-composite iyaphiliswa. Isitofu se-resin kunye nokunyanga kunokwenziwa nokuba kubushushu begumbi okanye phantsi kweemeko ezishushu.
2. Ukukhethwa kwezinto:
I-resin: ngokuqhelekileyo i-epoxy, i-polyester, i-polyvinyl ester kunye ne-phenolic resin, i-bismaleimide resin ingasetyenziswa kwiqondo lokushisa eliphezulu.
Ifayibha: akukho mfuneko. I-fiber e-Sewn ifaneleke ngakumbi kule nkqubo, kuba isithuba phakathi kwe-fiber bundle ilungele ukuhanjiswa kwe-resin; kukho iintsinga eziphuhliswe ngokukodwa ezinokukhuthaza ukuhamba kwe-resin
Izinto eziphambili: i-foam yeselula ayifanelekanga, kuba iiseli ze-honeycomb ziya kuzaliswa nge-resin, kwaye uxinzelelo luya kubangela ukuba i-foam iwa.
3. iingenelo eziphambili:
(1) I-fiber volume fraction ephezulu, i-porosity ephantsi
(2) Impilo kunye nokhuseleko, indawo yokusebenza ecocekileyo kunye necocekile njengoko i-resin ivalwe ngokupheleleyo.
(3) Ukunciphisa ukusetyenziswa kwabasebenzi
(4) Amacala angaphezulu nasezantsi amacandelo esakhiwo abunjiweyo, alula kunyango lwangaphezulu olulandelayo.
4. Izinto ezingeloncedo eziphambili:
(1) Izinto zokubumba ezisetyenziswa kunye zibiza imali eninzi, zinzima kwaye zininzi ukuze zimelane noxinzelelo olukhulu.
(2) kuphela ekwenziweni kwamalungu amancinane
(3) Iindawo ezingafakwanga emanzini zinokwenzeka ngokulula, okubangela inani elikhulu le-scrap
5. Ukusetyenziswa okuqhelekileyo: i-space shuttle encinci kunye neyinkimbinkimbi kunye neendawo zemoto, izihlalo zikaloliwe.
Ixesha lokuposa: Aug-08-2024
