Fiberglass Reinforced Plastics (FRP) ndi mtundu watsopano wazinthu zophatikizika zopangidwa ndi zombo kumapeto kwa zaka za m'ma 1960, zokhala ndi misa yopepuka, mphamvu yayikulu, kukana kwa dzimbiri, mawonekedwe a plasticity. Pambuyo pazaka zambiri za chitukuko, zida za FRP zakhala zikugwiritsidwa ntchito kwambiri kumanga mabwato ang'onoang'ono ndi apakatikati, Makamaka m'zaka zaposachedwa, zakhala zikugwiritsidwa ntchito kwambiri pamabwato, mabwato othamanga kwambiri komanso mabwato oyendera alendo.

1 Chidziwitso chaukadaulo

Resin vacuum import njira ndi pa olimba nkhungu masanjidwe analimbitsa CHIKWANGWANI zipangizo pasadakhale, ndiyeno kufalitsa vacuum thumba, zingalowe pompopompo dongosolo, kupanga kupsyinjika zoipa mu nkhungu patsekeke, ntchito vacuum kuthamanga kuyika unsaturated unsaturated utomoni mu chitoliro wosanjikiza. ,kunyowetsa kwa unsaturated polyester resin kwa fiber material,Pomaliza, nkhungu yonse imadzazidwa,chikwama cha vacuum chimachotsedwa pambuyo pochiritsidwa,ndipo chinthu chomwe mukufuna chimachokera ku nkhungu.

Vacuum lead-in process ndiukadaulo watsopano wopanga ndi kupanga mabwato akulu akulu pokhazikitsa njira yotsekeka mukufa kamodzi kokhazikika. Momwe njirayi imayambitsidwira kuchokera kunja, palinso mayina osiyanasiyana pakutchula mayina, monga kulowetsa vacuum. , vacuum perfusion, vacuum jekeseni, etc.

2.Ndondomeko ya ndondomeko

Njira yapadera yolowera kunja kwa vacuum imachokera ku chiphunzitso cha ma hydraulics opangidwa ndi The French hydraulics Darcy mu 1855, yomwe ndi Darcy's Law yotchuka: t=2hl／(2k(AP)),Kuti, t ndi nthawi yoyambira utomoni, yomwe ndi kutsimikiziridwa ndi magawo anayi;h ndi kukhuthala kwa utomoni, kutsogolera kukhuthala kwa utomoni, z ndi kutalika kwa kunja, kumatanthauza mtunda wapakati pa cholowetsa utomoni ndi kutuluka, AP ndi kusiyana kwa kuthamanga, kumatanthauza kusiyana kwapakati ndi kunja kwa thumba la vacuum, k Malinga ndi lamulo la Darcy, nthawi yotumiza utomoni imayenderana ndi kutalika kwa utomoni komanso kukhuthala kwake, komanso mosagwirizana ndi kusiyana kwapakati ndi kunja kwa thumba la vacuum. ndi permeability wa fiber material.

3.Njira yaukadaulo

Kukonzekera kwapadera kwa wothandizira wapadera ndi motere.

choyamba,Yambani ntchito yokonzekera

Choyamba, nkhungu zachitsulo kapena zamatabwa zimapangidwa molingana ndi mzere wa mawonekedwe ndi kukula kwa sitimayo. Chithandizo chamkati chamkati cha nkhungu chiyenera kuwonetsetsa kuuma kwakukulu ndi gloss yapamwamba, ndipo m'mphepete mwa nkhungu ziyenera kusungidwa osachepera 15cm kuti ziwongolere. kuyala mizere yosindikizira ndi mapaipi. Mukamaliza kukonza nkhungu, ikani zomangira, mutha kusewera sera yoboola kapena kupukuta madzi oboola.

chachiwiri,Ikani gelcoat ya hull

Malinga ndi zofunikira pakupanga zombo, mkati mwa nkhunguyo amakutidwa ndi utomoni wa gelcoat wokhala ndi chothandizira chothandizira, chomwe chitha kugwiritsidwa ntchito ngati gelcoat kapena gelcoat yopukutidwa. Mtundu wosankhidwa ndi phthalate, m-benzene ndi vinyl. kupopera angagwiritsidwe ntchito pomanga.

Tmozungulira,Kumanga zinthu zolimbitsa

Choyamba, molingana ndi mzere wa hull ndi kapangidwe kake, zida zolimbikitsira ndi zigoba zimadulidwa motsatana, kenako zimayikidwa mu nkhungu molingana ndi zojambulazo ndi kupanga njira. mtengo uyenera kuganiziridwa.

Fwathu,Yang'anani vacuum wothandiza

Pazinthu zolimbitsa zomwe zimayikidwa mu nkhungu, nsalu yovula imayikidwa poyamba, yotsatiridwa ndi nsalu yosokoneza, ndipo potsiriza thumba la vacuum, lomwe limapangidwa ndi kutsekedwa ndi mzere wosindikiza. utomoni ndi vacuum line.

Fngati,Chotsani thumba

Kuyika kwa zinthu zomwe zili pamwambazi kumalizidwa mu nkhungu, utomoni umalowetsedwa mu clamping chubu, ndipo pampu ya vacuum imagwiritsidwa ntchito kutsuka dongosolo lonse, ndipo mpweya mu dongosolo umachotsedwa momwe mungathere, ndipo Kuthina konse kwa mpweya kumafufuzidwa, ndipo malo otayirawo amakonzedwa kwanuko.

Sixth,Kuphatikiza kwa resin ratio

Pambuyo pa vacuum mu thumba, malinga ndi momwe chilengedwe chimakhalira, makulidwe azinthu, malo ofalikira, etc., utomoni, wochiritsa ndi zinthu zina zimaperekedwa molingana ndi gawo linalake. nthawi ya gel ndi digiri yochiritsira yomwe ikuyembekezeka.

Chachisanu ndi chiwiri, Mold lead-in resin

Utoto wokonzedwa umalowetsedwa mu mpope wopondereza, ndipo thovu mu utomoni limachotsedwa ndi kusonkhezera kwathunthu.Kenako ma clamps amatsegulidwa motsatana malinga ndi dongosolo lachiyambi, ndipo kalozera wa utomoni umayendetsedwa ndikusintha nthawi zonse kuthamanga kwa mpope, monga kuyendetsa bwino makulidwe a thupi la sitimayo.

Echachisanu,Kuchotsa zovala zovulazidwa

Mukamaliza kuyika utomoni, chibolibolicho chiyenera kugwiritsidwa ntchito mu nkhungu kwa nthawi yayitali kuti utomoni uchiritsidwe, nthawi zambiri osachepera maola 24, kuuma kwake kwa Bacor ndikokulirapo kapena kofanana ndi 40 musanagwetse.Pambuyo pobowola, zinthu zofunika ziyenera kuchitidwa kuti zithandizire kupewa deformation. Pambuyo pakukhazikika kwathunthu, kutsekedwa kwa chiboliboli ndi kuvala zidayamba.

4 Kusanthula ubwino ndi kuipa kwa teknoloji ya ndondomeko

 A.ubwino wa njira zamakono

Monga njira yatsopano yopangira ukadaulo popanga zombo za FRP, njira yoyika vacuum ili ndi zabwino zambiri kuposa momwe amapangira phala.

A1 Mphamvu zamapangidwe a Hull zasinthidwa bwino

Pa ntchito yomanga, hull, stiffeners, nyumba masangweji ndi oyika zina za sitima akhoza anaika pa nthawi yomweyo, motero kwambiri kuwongolera umphumphu wa mankhwala ndi wonse structural mphamvu ya chombo. Pankhani ya yaiwisi yomweyo yaiwisi zakuthupi, poyerekeza ndi chiboliboli chomata pamanja, mphamvu, kuuma ndi mawonekedwe ena amthupi a chiboliboli chopangidwa ndi njira yoyambitsira ya resin vacuum zitha kuonjezedwa ndi 30% -50%, zomwe zikugwirizana ndi chitukuko chachikulu. za zombo zamakono za FRP.

Bwato la A2 kuti muzitha kuyendetsa bwino kulemera kwa sitimayo

Sitima yapamadzi ya FRP yopangidwa ndi vacuum introduction process imakhala ndi ulusi wambiri, porosity yochepa komanso magwiridwe antchito apamwamba, makamaka kuwongolera mphamvu ya interlaminar, yomwe imathandizira kwambiri ntchito yolimbana ndi kutopa kwa sitimayo. Sitimayo yopangidwa ndi njira ya vacuum lead-in imatha kuchepetsa kulemera kwa kapangidwe kake.Pamene mawonekedwe osanjikiza omwewo agwiritsidwa ntchito, kugwiritsa ntchito utomoni kumatha kuchepetsedwa ndi 30%, zinyalala zimakhala zochepa, ndipo kutayika kwa utomoni kumakhala kosakwana 5. %.

A3 Ubwino wa zinthu za sitimayo wayendetsedwa bwino

Poyerekeza ndi kupaka pamanja, khalidwe la sitimayo silikhudzidwa kwambiri ndi woyendetsa, ndipo pali kusinthasintha kwakukulu kaya ndi sitima kapena gulu la zombo. molingana ndi kuchuluka komwe kunanenedwa musanayambe jekeseni wa utomoni, ndipo chiŵerengero cha utomoni chimakhala chokhazikika, nthawi zambiri 30% ~ 45%, pamene utomoni wopangidwa ndi manja umakhala 50% ~ 70%, kotero kufanana ndi kubwerezabwereza kwa Sitimayo ndi yabwino kwambiri kuposa yopangidwa ndi manja. Panthawi imodzimodziyo, kulondola kwa sitimayo yomwe imapangidwa ndi njirayi ndi yabwino kuposa ya sitima yapamadzi yopangidwa ndi manja, kutsetsereka kwa chiboliboli ndi bwino, ndipo bukuli ndi zakuthupi za kugaya ndi kujambula zimachepetsedwa.

A4 Malo opangira fakitale asinthidwa bwino

Vacuum lead-in process ndi njira yotsekeka ya nkhungu, zinthu zomwe zimasokonekera komanso zowononga mpweya wapoizoni zomwe zimapangidwira panthawi yonse yomanga zimangotsekeredwa mu thumba la vacuum. Pokhapokha papampu ya vacuum (sefa) ndi kusanganikirana kwa utomoni pomwe pali pang'ono. osasunthika, poyerekezera ndi malo ogwirira ntchito omwe amapangidwa ndi manja, malo omangira malo asinthidwa kwambiri, kuteteza bwino ogwira ntchito yomanga malo omwe ali ndi thanzi labwino komanso lamalingaliro.

B,Zofooka zaukadaulo waukadaulo

B1Ukadaulo wa zomangamanga ndizovuta

The vacuum lead-in process ndi yosiyana ndi yachikhalidwe yopaka pamanja, M'pofunika kupanga chithunzi choyikapo cha fiber, chojambula cha diversion chubu ndi njira yomanga mwatsatanetsatane molingana ndi zojambulazo. za zida zolimbitsira ndi kuyala kwa sing'anga yophatikizira, chubu chophatikizira ndi zinthu zosindikizira za vacuum ziyenera kumalizidwa utomoni usanachitike.Chifukwa chake, pazombo zazing'ono, nthawi yomanga ndi yayitali kuposa ukadaulo wa phala lamanja.

B2 Ndalama zopangira ndizokwera kwambiri

Njira yapadera yolowera kunja kwa vacuum ili ndi zofunika kwambiri pa permeability wa zida za fiber, zomwe zimatha kugwiritsa ntchito nsalu zosalekeza komanso zopanda unidirectional zokhala ndi mtengo wapamwamba wa unit.Pa nthawi yomweyo, vacuum pump, vacuum bag film, diversion sing'anga, nsalu yoboola ndi chubu chosokoneza ndi zina. zipangizo zothandizira ziyenera kugwiritsidwa ntchito pomanga, ndipo zambiri zimakhala zotayidwa, choncho mtengo wake ndi wokwera kuposa ndondomeko ya phala lamanja.

B3 Pali zoopsa zina zomwe zikuchitika

Makhalidwe a kudzaza kwa vacuum amatsimikizira kupangidwira kamodzi kopanga zombo, komwe kumakhala ndi zofunika kwambiri pantchitoyo isanadzaze utomoni. kudzaza utomoni kukayamba, ndipo chibowo chonsecho chimadulidwa mosavuta ngati kudzaza kwa utomoni kulephera.Pakalipano, kuti athe kuwongolera zomangamanga ndikuchepetsa zoopsa, mabwalo amadzi ambiri amatengera njira ziwiri zopumira za thupi ndi mafupa.

5 Mapeto

Monga luso lamakono lopanga ndi kumanga zombo za FRP, njira yolowetsa vacuum ili ndi ubwino wambiri, makamaka pomanga zombo zokhala ndi sikelo yayikulu, kuthamanga kwambiri komanso mphamvu zamphamvu, zomwe sizingasinthidwe. kulowetsedwa kwa utomoni wa vacuum, kuchepetsa mtengo wazinthu zopangira komanso kuchuluka kwa anthu, kumanga zombo za FRP pang'onopang'ono kumasintha kukhala makina opangira makina, ndipo njira yolowetsa utomoni wothira utomoni idzagwiritsidwa ntchito kwambiri m'mafakitale ambiri.Source: Composite Applied Technology.

Zambiri zaife

Malingaliro a kampani Hebei Yuniu Fiberglass Manufacturing Co., Ltd.Ife makamaka kupanga ndi kugulitsa e-mtundu fiberglass mankhwala,Ngati mukufuna, chonde tithandizeni momasuka.