I-Fiberglass Reinforced Plastics (FRP) luhlobo olutsha lwezinto ezidityanisiweyo ezenziwe ngeenqanawa ngasekupheleni kweminyaka yoo-1960, ezinobunzima obukhanyayo, amandla aphezulu, ukuxhathisa kokubola, iimpawu zeplasticity ukwakhiwa kwamaphenyane amancinci naphakathi, Ingakumbi kwiminyaka yakutshanje, sele isetyenziswe ngokubanzi kwiiyachts, iinqanawa ezihamba ngesantya esiphezulu kunye nezikhephe zabakhenkethi.Eli phepha ligxile ekwakhiweni nasekubunjweni kweenqanawa ze-FRP - i-resin vacuum introduction method.

1 Intshayelelo yeTekhnoloji

Indlela yokungenisa i-resin vacuum yokungenisa ikwimo eqinile yokubeka izinto zefiber kwangaphambili, kwaye emva koko usasaze ibhegi yokufunxa, inkqubo yokumpompa ivacuum, yenza uxinzelelo olubi kumngxunya wokungunda, usebenzisa uxinzelelo lwevacuum beka iresin engaxutywanga ngombhobho ukuya kumaleko wefiber. ,ukuziphatha kokumanzisa kweresin yepolyester engafakwanga kwizinto zefiber,Ekugqibeleni, ukungunda kugcwele kuzaliswe,impahla yebhegi yokufunxa iyasuswa emva kokunyanga,kwaye imveliso efunwayo ifunyenwe kwimolddemolding.Iprofayile yayo yobuchwephesha iboniswe ngezantsi.

Inkqubo ye-vacuum lead-in process yitekhnoloji entsha yokwenza kunye nokwakha amaphenyane amakhulu amakhulu ngokuseka inkqubo evaliweyo kwindawo enye eqinileyo. Njengoko le nkqubo iqaliswa ukusuka phesheya, kukwakho iindidi zamagama ekuthiyweni, okufana nokungeniswa kwevacuum. ,i-vacuum perfusion, isitofu sevacuum, njl.

2.Inkqubo yomgaqo

Ubuchwephesha obukhethekileyo bokungeniswa kwevacuum busekwe kwithiyori ye-hydraulics eyenziwe yi-French hydraulics Darcy ngo-1855, eyile yomthetho kaDarcy odumileyo: t=2hl／(2k(AP)),Phi,ixesha lokungeniswa kweresin,eliyiyo. kugqitywe ngeeparamitha ezine;h yi-viscosity ye-resin, ekhokela i-viscosity ye-resin, ubude bokungenisa, ibhekisela kumgama phakathi kwe-resin inlet kunye ne-outlet, i-AP ngumahluko woxinzelelo, ibhekiselele kumahluko oxinzelelo phakathi kwangaphakathi nangaphandle kwengxowa yokufunxa, k. Ukungena, kubhekiselele kwiparameters zokungeniswa kweresin ngefiber yeglasi kunye nesandwich materials.Ngokomthetho kaDarcy, ixesha lokungeniswa kweresin lilingana nobude bokungenisa iresin kunye ne-viscosity, kwaye ngokuphambeneyo ngokulinganayo kumahluko woxinzelelo phakathi kwangaphakathi nangaphandle kwengxowa yokufunxa. kunye nokungena kwezinto zefiber.

3.Inkqubo yezobuchwepheshe

Inkqubo ethile yokucubungula ye-arhente ekhethekileyo ilandelayo.

Ekuqaleni,Qala umsebenzi wokulungiselela

Okokuqala, ukubumba kwentsimbi okanye iinkuni kwenziwa ngokuhambelana nomgca wemilo kunye nobukhulu benqanawa.Unyango lwangaphakathi lwangaphakathi lwesikhunta kufuneka luqinisekise ukuqina okuphezulu kunye negloss ephezulu, kwaye umgca wokubumba kufuneka ugcinwe ubuncinane be-15cm ukuququzelela. ukubekwa kwemicu yokutywina kunye nemibhobho. Emva kokucoca ukungunda, sebenzisa imathiriyeli yokudiliza, ungadlala umthwebeba wokudiliza okanye wosule amanzi adilizayo.

Isibini,Faka i-gelcoat ye-hull

Ngokweemfuno zemveliso yenqanawa, umgangatho wangaphakathi wokubumba uqatywe nge-gelcoat resin equlethe umxhasi we-catalyst, enokusetyenziswa njenge-gelcoat yemveliso okanye i-gelcoat epholisiweyo.Uhlobo lokukhetha yi-phthalate, m-benzene kunye ne-vinyl. Isitshizi singasetyenziselwa ukwakhiwa.

Tngokufihlakeleyo,Ulungelelwaniso lwemathiriyeli eyomeleziweyo

Okokuqala, ngokomgca we-hull kunye nesakhiwo esisisiseko, izinto zokuqinisa kunye ne-skeleton core material ziyasikwa ngokulandelelana, kwaye emva koko zibekwe kwi-mold ngokomzobo wokubeka kunye nokwenza inkqubo. izinga kufuneka lithathelwe ingqalelo.

Fngokwethu,Layup vacuum izinto ezincedisayo

Kwimathiriyeli eyomeleziweyo ebekwe kubumba, ilaphu lokuhluba kuqala libekwe, lilandelwa lilaphu lokuguqula, kwaye ekugqibeleni ibhegi yokucoca, edityanisiweyo kwaye ivalwe ngumtya wokutywina. i-resin kunye ne-vacuum line.

Fukuba,Vacupha ibhegi

Emva kokuba ukubekwa kwezinto ezingentla kugqitywe ekubumbeni, i-resin ingeniswa kwi-clamping tube system, kwaye ipompo yokucoca isetyenziselwa ukucoca yonke inkqubo, kwaye umoya kwinkqubo iyakhutshwa ngokusemandleni, kwaye Ukuqina komoya ngokubanzi kujongiwe, kwaye indawo evuzayo iyalungiswa ekuhlaleni.

Sixth,Ukudibanisa i-resin ratio

Emva kokuba i-vacuum engxoweni ifikelele kwimfuno ethile, ngokuhambelana neemeko zokusingqongileyo, ubukhulu bemveliso, indawo esasazekileyo, njl. njl., i-resin, i-ejenti yokunyanga kunye nezinye izinto zabiwe ngomlinganiselo othile.I-resin elungiselelwe kufuneka ibe ne-viscosity efanelekileyo, efanelekileyo ixesha lejeli kunye neqondo elilindelekileyo lokunyanga.

Okwesixhenxe, i-Mold lead-in resin

I-resin elungisiweyo ifakwe kwimpompo yoxinzelelo, kwaye iibhubhu kwi-resin zipheliswa ngokuvuselela ngokupheleleyo. Emva koko ii-clamps zivulwa ngokulandelelana ngokomyalelo wokungeniswa, kwaye isikhokelo se-resin siphunyezwa ngokulungisa rhoqo uxinzelelo lwempompo, njengokulawula ngempumelelo ubukhulu bomzimba wenqanawa.

Eeyesibhozo,Ukuhlamba iimpahla zokugqoka

Emva kokuba ukuqaliswa kwe-resin kugqityiwe, i-hull kufuneka isetyenziswe ekubunjeni ixesha elide ukuvumela ukunyangwa kwe-resin, ngokuqhelekileyo ingabi ngaphantsi kweeyure ezingama-24, kubulukhuni bayo be-Bacor bukhulu okanye bulingana nama-40 ngaphambi kokudilizwa.Emva kokudilizwa, amanyathelo ayimfuneko kufuneka athatyathwe ukuxhasa ukunqanda inguquko. Emva kokuqina ngokupheleleyo, ukuvalwa kwe-hull kunye nempahla yaqala.

4 Uhlalutyo lweenzuzo kunye nokungalunganga kweteknoloji yenkqubo

 A.iinzuzo zeteknoloji yenkqubo

Njengohlobo olutsha lwetekhnoloji yokubumba ekwakhiweni kweenqanawa ze-FRP, indlela yokufaka i-vacuum ineenzuzo ezinkulu ngaphezulu kwenkqubo yemveli yokuncamathisela.

A1 Amandla okwakhiwa kwe-Hull aphuculwe ngokufanelekileyo

Ngexesha lenkqubo yokwakha, i-hull, i-stiffeners, izakhiwo zesandwich kunye nezinye izinto ezifakwe kwinqanawa zingabekwa ngaxeshanye, ngaloo ndlela iphucula kakhulu imfezeko yemveliso kunye namandla okwakhiwa kwenqanawa. Kwimeko efanayo ekrwada. izinto eziphathekayo, xa kuthelekiswa ne-hull encanyatheliswe ngesandla, amandla, ukuqina kunye nezinye iimpawu ezibonakalayo ze-hull ezenziwe nge-resin vacuum introduction inkqubo inokongezwa ngaphezu kwe-30% -50%, ehambelana nentsingiselo yophuhliso olukhulu. yeenqanawa zeFRP zangoku.

I-A2 Boat ukulawula ngokufanelekileyo ubunzima benqanawa

Inqanawa ye-FRP eveliswe ngenkqubo yokungeniswa kwe-vacuum inomxholo ophezulu we-fiber, i-porosity ephantsi kunye nokusebenza kwemveliso ephezulu, ngokukodwa ukuphuculwa kwamandla e-interlaminar, okuphucula kakhulu ukusebenza kwe-anti-fatigue yenqanawa. Inqanawa eyakhiwe nge-vacuum lead-in method inokunciphisa ngokufanelekileyo ubunzima besakhiwo.Xa i-design layer efanayo isetyenzisiweyo, ukusetyenziswa kwe-resin kungancitshiswa nge-30%, inkunkuma incinci, kwaye izinga lokulahleka kwe-resin lingaphantsi kwe-5. %.

A3 Umgangatho weemveliso zeenqanawa ulawulwe ngokufanelekileyo

Xa kuthelekiswa nokuncamathisela okwenziwa ngesandla, umgangatho wenqanawa awuchatshazelwa kangako ngumqhubi, kwaye kukho iqondo eliphezulu lokuhambelana nokuba yinqanawa okanye ibhetshi yeenqanawa. ngokwesixa esichaziweyo phambi kokutofa kweresin, kwaye umlinganiselo weresin awutshintshi, ngokuqhelekileyo i-30% ~ 45%, ngelixa umxholo we-resin we-hull efakwe ngesandla ngokubanzi yi-50% ~ 70%, ngoko ke ukufana kunye nokuphindaphinda Inqanawa ingcono kakhulu kunobugcisa obuncamathiselwe ngesandla. Ngaxeshanye, ukuchaneka kwenqanawa eveliswa yile nkqubo kungcono kunokwenqanawa encanyatheliswe ngesandla, ukucaba komphezulu wenqanawa kungcono, kwaye incwadi kunye izinto eziphathekayo zenkqubo yokugaya kunye nepeyinti ziyancitshiswa.

A4 Indawo yemveliso yomzi-mveliso iphuculwe ngokufanelekileyo

I-vacuum lead-in process yinkqubo yokubumba evaliweyo, iikhompawundi zezinto eziphilayo eziguquguqukayo kunye nezingcolisi zomoya ezinobuthi eziveliswe ngexesha lenkqubo yolwakhiwo zivalelwe kwingxowa yokufutha.Kuphela kwimpompo yokucoca (isihluzi) kunye nokuxuba i-resin xa kukho inani elincinci. eziguquguqukayo, xa kuthelekiswa nendawo evulekileyo yokusebenzela incama yezandla, indawo yokwakha yesiza iphuculwe kakhulu, ikhusela ngokufanelekileyo abasebenzi bokwakha indawo abafanelekileyo ngokwasemzimbeni nasengqondweni.

B,Iintsilelo zeteknoloji yenkqubo

B1Itekhnoloji yokwakha inzima

Inkqubo ye-vacuum lead-in yahlukile kwinkqubo yemveli yokuncamathisela ngesandla, kuyafuneka ukuyila umzobo wokubeka izinto zefiber, umzobo woyilo lwenkqubo yetyhubhu yokuguqula kunye nenkqubo yokwakha ngokweenkcukacha ngokwemizobo. izinto zokuqinisa kunye nokubekwa kwe-diversion medium, i-diversion ityhubhu kunye ne-vacuum yokutywina imathiriyeli kufuneka igqitywe phambi kokuba i-resin lead-in. Ngoko ke, kwiinqanawa ezincinci, ixesha lokwakha lide kuneteknoloji yokucola ngesandla.

B2 Iindleko zemveliso ziphezulu kakhulu

Indlela ekhethekileyo yokungenisa i-vacuum yokungenisa ineemfuno eziphezulu ekungeneni kwezinto zefayibha, ezinokusebenzisa ilaphu elizivayo eliqhubekayo kunye ne-unidirectional kunye neendleko eziphezulu zeyunithi.Ngexesha elifanayo, i-vacuum pump, ifilimu ye-vacuum bag, i-diversion medium, ilaphu lokudiliza kunye netyhubhu yokuguqula kunye nezinye. izixhobo ezincedisayo kufuneka zisetyenziswe kwinkqubo yokwakha, kwaye uninzi lwazo luyalahlwa, ngoko ke ixabiso lemveliso liphezulu kunenkqubo yokuncamathisela yesandla. Kodwa inkulu imveliso, incinci umahluko.

B3 Kukho imingcipheko ethile kwinkqubo

Iimpawu zenkqubo yokuzaliswa kwe-vacuum ichaza ukubunjwa kwexesha elilodwa lokwakhiwa kweenqanawa, ezineemfuno eziphezulu zomsebenzi ngaphambi kokuzaliswa kwe-resin. Emva kokuba ukuzaliswa kwe-resin kuqalile, kwaye yonke i-hull iya kuchithwa ngokulula ukuba ukuzaliswa kwe-resin kuyasilela.Okwangoku, ukuze kube lula ukwakhiwa kunye nokunciphisa umngcipheko, iindawo zenqanawa ngokubanzi zithatha i-vacuum ye-vacuum enamanqanaba amabini omzimba wenqanawa kunye namathambo.

5 Isiphelo

Njengobuchwephesha obutsha bokuqulunqa kunye nokwakhiwa kweenqanawa ze-FRP, ubuchule bokungenisa i-vacuum bunezinto ezininzi ezintle, ngakumbi ekwakhiweni kweenqanawa ezinomlinganiselo omkhulu, isantya esiphezulu kunye namandla anamandla, angenakutshintshwa.Ngokuphuculwa okuqhubekayo kobuchule bokwakha ukungenisa i-vacuum resin, ukuncitshiswa kweendleko zemathiriyeli ekrwada kunye nokunyuka kwemfuno yentlalo, ukwakhiwa kweenqanawa ze-FRP kuya kutshintshela ngokuthe ngcembe ekubumbeni ngomatshini, kwaye indlela yokungenisa i-resin vacuum yokungenisa iya kusetyenziswa ngokubanzi kwiifektri ezininzi.

Ngathi

Hebei Yuniu Fiberglass Manufacturing Co., LTD.Sivelisa kwaye sithengise i-e-type fiberglass iimveliso,Ukuba kukho naziphi na iimfuno, nceda uqhagamshelane nathi ngokukhululekileyo.