Fiberglass Reinforced Plastics (FRP) rudzi rutsva rwezvinhu zvakaumbwa zvakagadzirwa nengarava mukupera kwema1960, zvine mwenje wakareruka, simba rakawanda, kurwisana nekuora, hunhu hwepurasitiki. Mushure memakumi emakore ebudiriro, FRP zvinhu zvakashandiswa zvakanyanya kuvakwa kwezvikepe zviduku uye zvepakati, Kunyanya mumakore achangopfuura, yakashandiswa zvakanyanya pamayachts, mabhoti anomhanya-mhanya uye mabhoti evashanyi.Iri pepa rinotarisa pakuvaka nekuumbwa kwezvikepe zveFRP - resin vacuum introduction method.

1 Technology sumo

Resin vacuum yekupinza nzira iri pane yakaomesesa mold layup yakasimbisa fiber zvinhu kumberi, uye wobva waparadzira vacuum bag, iyo vacuum yekupomba system, gadzira kudzvanya kwakashata mugomba rekuumbwa, uchishandisa iyo vacuum pressure inoisa unsaturated resin kuburikidza nepombi mufiber layer. ,kunyorova maitiro eunsaturated polyester resin yefiber material,Pakupedzisira, mold yose inozadzwa,vacuum bag material inobviswa mushure mekuporeswa,uye chigadzirwa chaunoda chinowanikwa kubva kumold demoulding.Its craft profile inoratidzwa pazasi.

Vacuum lead-in process ndiyo tekinoroji nyowani yekugadzira nekuvaka mabhoti mahombe nekumisikidza yakavharwa system mune imwechete yakaoma die.Sezvo maitiro aya achiunzwa kubva kunze kwenyika, kune zvakare akasiyana mazita ekudoma, senge vacuum import. , vacuum perfusion, vacuum jekiseni, zvichingodaro.

2.Process musimboti

Iyo yakakosha nzira yekupinza vacuum yakavakirwa padzidziso ye hydraulics yakagadzirwa neThe French hydraulics Darcy muna 1855, inova yakakurumbira Darcy's Law: t=2hl／(2k(AP)),Ipi,t ndiyo nguva yekusuma resin, inova. yakatemwa nemaparamita mana;h ndiyo viscosity ye resin, inotungamira viscosity ye resin, z ndiyo kureba kwekunze, inoreva kureba pakati pe resin inlet nekubuda, AP ndiyo mutsauko wekumanikidza, inoreva mutsauko wepakati pakati nekunze kwebhegi rekutsvaira, k. Zvinoenderana nemutemo waDarcy, nguva yekupinza resin inoenzanirana nehurefu hwekupinza resin uye viscosity, uye zvakapesana nepakati pekumanikidza musiyano pakati pemukati nekunze kwebhegi rekutsvaira. uye kupera kwe fiber material.

3.Technological process

Iyo chaiyo yekugadzirisa maitiro emumiririri anokosha ndeyotevera.

chekutanga,Tanga basa rekugadzirira

Chekutanga, zviumbwa zvesimbi kana zvehuni zvinogadzirwa zvinoenderana nemutsara wechimiro uye saizi yechikepe. Iyo yemukati yekurapa kwepamusoro yezviumbwa inofanirwa kuve nechokwadi chekuomarara kwepamusoro uye kupenya kwepamusoro, uye mupendero wezviumbwa unofanirwa kuchengetwa zvishoma 15cm kuti ufambise. kuiswa kwemitsetse nemapaipi ekuvharisa. Mushure mekuchenesa mold, isa zvinhu zvekudhonzesa, unogona kuridza wakisi inodhonzesa kana kupukuta mvura inodzika.

chepiri,Isa hull gelcoat

Zvinoenderana nezvinodiwa zvekugadzirwa kwengarava, mukati memukuvhu wakaputirwa negelcoat resin ine catalyst promoter, inogona kushandiswa sechigadzirwa gelcoat kana polished gelcoat. Mhando yesarudzo ndeye phthalate, m-benzene uye vinyl. pfapfaidzo inogona kushandiswa kugadzira.

Thirdly,Rongedza zvinhu zvakasimbiswa

Kutanga, zvichienderana netambo yehull uye chimiro chekutanga, iyo yekusimbisa zvinhu uye skeleton core zvinhu zvinochekwa zvakateerana, uye zvino kuiswa muforoma zvinoenderana nerayi-up yekudhirowa nekugadzira maitiro. chiyero chinofanira kuverengerwa.

Fyedu,Layup vacuum ebetsero zvinhu

Pamusoro pezvinhu zvakasimbiswa zvakaiswa mu mold, jira rekubvisa rinotanga kuiswa, richiteverwa nemucheka wekutsauka, uye pakupedzisira bhegi rekutsvaira, iro rinosungirirwa uye rakavharwa nemucheka wekuisa chisimbiso. Usati wavhara bhegi rekutsvaira, nyatsofunga nzira resin uye vacuum line.

Fifth,Bvisa bhegi

Mushure mekugadzikwa kwezvinhu zviri pamusoro apa kwapera mukuumbwa, resin inopinzwa mukati meiyo clamping chubhu system, uye vacuum pombi inoshandiswa kutsvaira hurongwa hwese, uye mweya uri muhurongwa unobviswa kusvika pazvinobvira, uye kusimba kwemweya kwese kunotariswa, uye nzvimbo yekuvuza inogadziriswa munharaunda.

Sixth,Kusanganisa resin ratio

Mushure mekunge vacuum mubhegi yasvika pane chimwe chinodiwa, zvinoenderana nemamiriro ekunze, ukobvu hwechigadzirwa, nzvimbo yakapararira, nezvimwewo, resin, mushonga wekurapa uye zvimwe zvinhu zvakagoverwa mune imwe chikamu. gel nguva uye inotarisirwa kurapa degree.

Yechinomwe, Mold lead-in resin

Iyo resin yakagadzirwa inounzwa mupombi yekumanikidza, uye mabhubhu ari muresin anobviswa nekuzunguza kwakazara. Ipapo machira anovhurwa achichinjana maererano nehurongwa hwekusuma, uye resin gidhi rinoitwa nekugara uchigadzirisa pombi yekumanikidza, saka sekunyatso kudzora ukobvu hwemuviri wengarava.

Eyesere,Kubvisa zvipfeko zvekupfeka

Mushure mekunge sumo yeresin yapedzwa, hull inofanirwa kushandiswa muforoma kwechinguva kubvumira resin kurapwa, kazhinji isingasviki maawa makumi maviri nemana, mukuoma kwayo kweBacor yakakura kupfuura kana kuenzana ne40 isati yadhirowa.Mushure mekugadzirisa, matanho anodiwa anofanirwa kutorwa kutsigira kudzivirira deformation.Mushure mekusimba kwakazara, kuvharwa kwehull uye kupfeka kwakatanga.

4 Ongororo yezvakanakira uye zvakaipira zve process technology

 A.zvakanakira process technology

Serudzi rutsva rwetekinoroji yekuumba mukuvaka kwemidziyo yeFRP, nzira yekuisa vacuum ine mabhenefiti makuru pamusoro pechinyakare chinyorero paste process.

A1 Hull structural simba yakagadziridzwa zvinobudirira

Munguva yekuvaka, hull, stiffeners, sandwich zvimiro uye zvimwe zvinoiswa muchikepe zvinogona kuiswa panguva imwe chete, nokudaro zvichivandudza zvakanyanya kutendeseka kwechigadzirwa uye kusimba kwese kwechimiro chechikepe. zvinhu, zvichienzaniswa neiyo-yakanamirwa nemaoko hull, iyo simba, kuomarara uye humwe hunhu hwehull hunoumbwa neresin vacuum sumo yekusuma inogona kuwedzerwa neinopfuura 30% -50%, izvo zvinoenderana nehukuru-hukuru budiriro maitiro. yezvikepe zvemazuva ano zveFRP.

A2 Boat kuti inyatso kudzora huremu hwechikepe

Ngarava yeFRP inogadzirwa ne-vacuum introduction process ine yakakwira fiber, yakaderera porosity uye yakakwira chigadzirwa kuita, kunyanya kuvandudzwa kwe interlaminar simba, iyo inovandudza zvakanyanya kurwisa-kuneta kuita kwechikepe. ngarava inogadzirwa ne-vacuum lead-in nzira inogona kunyatso kudzikisa huremu hwechimiro.Kana iyo yakafanana dhizaini yakashandiswa, iyo resin inoshandiswa inogona kuderedzwa ne30%, tsvina ishoma, uye resin kurasikirwa mwero isingasviki 5. %.

A3 Hunhu hwezvigadzirwa zvengarava hwakanyatsodzorwa

Zvichienzaniswa nekunamira kwemaoko, kunaka kwechikepe haanyanyi kukanganiswa nemufambisi, uye kune huwandu hwepamusoro hwekuenderana ingave chikepe kana batch rezvikepe.Kuwanda kwekusimbisa fiber kwechikepe kwakaiswa mu mold. maererano nehuwandu hwakatarwa usati wabaya jekiseni resin, uye resin resin yacho inogara isingachinji, kazhinji 30% ~ 45%, nepo resin yemukati-yakanamirwa nemaoko kazhinji iri 50% ~ 70%, saka kufanana uye kudzokorora. chikepe chiri nani kupfuura chikepe chakanamirwa nemaoko. Panguva imwecheteyo, kunyatsojeka kwechikepe chinogadzirwa nenzira iyi kuri nani pane kwechikepe chinonamirwa nemaoko, kutsetseka kwehull surface kuri nani, uye bhuku uye zvinhu zvekukuya nekupenda zvakaderedzwa.

A4 Nzvimbo yekugadzira fekitori yakagadziridzwa zvinobudirira

Vacuum lead-in process ndeye yakavharwa mold process, the volatile organic compounds uye huturu hwemhepo inosvibisa inogadzirwa panguva yese yekuvaka inovharirwa mubhegi revacuum. Mupombi yevacuum chete inobuda (sefa) uye kusanganisa resin kana paine zvishoma. yekusagadzikana, kana ichienzaniswa neyechinyakare bhuku paste yakavhurika yekushanda nharaunda, nzvimbo yekuvaka saiti yakagadziridzwa zvakanyanya, chengetedza vakakodzera saiti yekuvaka hutano hutano hwemuviri nepfungwa.

B,Kukanganisa kwehunyanzvi hwekuita

B1Tekinoroji yekuvaka yakaoma

Iyo vacuum lead-in process yakasiyana neyechinyakare yekunamira nemaoko maitiro, zvinodikanwa kugadzira dhizaini yekuisa-yekunze yefiber zvinhu, dhizaini yedhizaini ye diversion chubhu system uye maitiro ekuvaka zvakadzama zvinoenderana nedhirowa. yezvinhu zvekusimbisa uye nekuisa diversion medium, diversion chubhu uye vacuum sealing material zvinofanirwa kupedzwa pamberi peresin lead-in. Naizvozvo, kune zvikepe zvidiki, nguva yekuvaka yakareba kupfuura tekinoroji yekunamira nemaoko.

B2 Mari yekugadzira yakati wandei

Iyo yakakosha vacuum yekupinza tekinoroji ine zvinodikanwa zvakakura pakupenya kwefiber zvinhu, izvo zvinogona kushandisa inoenderera inonzwa uye unidirectional jira rine yakakwira unit cost.At the same time, vacuum pump, vacuum bag firimu, diversion medium, demoulding jira uye diversion chubhu nezvimwe. zvekubatsira zvinoda kushandiswa pakuvaka, uye zvizhinji zvacho zvinoraswa, saka mutengo wekugadzira wakakwirisa pane wekugadzira nemaoko process.Asi kukura kwechigadzirwa, kudiki musiyano.

B3 Pane dzimwe njodzi mukuita

Hunhu hwevacuum yekuzadza process inotaridza kuumbwa kweimwe-nguva yekuvaka ngarava, ine zvakakwirira zvinodikanwa zvebasa risati razadza resin. Iyo nzira inofanirwa kuitwa zvakanyatsoenderana nemaitiro ekuzadza resin. Maitiro acho haadzoke mushure mekunge kuzadza resin kwatanga, uye hull yese inoraswa nyore nyore kana resin kuzadza ikatadza.Parizvino, kuitira kufambisa kuvaka uye kuderedza njodzi, general shipyards anotora maviri-nhanho vacuum kuumbwa kwemuviri wengarava uye skeleton.

5 Mhedziso

Sehunyanzvi hwekugadzira uye kuvaka tekinoroji yengarava dzeFRP, nzira yekupinza vacuum ine zvakawanda zvakanaka, kunyanya mukuvaka ngarava dzine hukuru hukuru, kumhanya uye simba rakasimba, risingagone kutsiviwa. vacuum resin import, kudzikiswa kwemutengo wezvakagadzirwa uye kuwedzera kudiwa kwevanhu, kuvakwa kwengarava dzeFRP zvishoma nezvishoma kuchachinja kuenda kune mechanic molding, uye iyo resin vacuum import nzira ichashandiswa zvakanyanya mune mamwe mafekitori.Source: Composite Applied Technology.

Nezvedu

Hebei Yuniu Fiberglass Manufacturing Co., LTD.Isu tinonyanya kugadzira uye kutengesa e-mhando fiberglass zvigadzirwa,Kana pane zvaunoda, tapota taura nesu zvakasununguka.