Fiberglass Mat vs. Woven Roving: Cov Khoom Siv Twg Zoo Tshaj Plaws Rau Kev Tsim Nkoj?

Taug kev mus rau hauv ib lub khw muag khoom siv hauv hiav txwv thiab nug "fiberglass,"Thiab koj yuav tau txais ib qho kev ntsia tsis muaj dab tsi ua raws li ib lo lus nug: fiberglassdaim lev los yogntaubkev mus ncigCov neeg feem coob uas tab tom tsim lossis kho lub nkoj thawj zaug tsis paub tias muaj kev xaiv. Lawv tsuas yog yuav txhua yam uas tus txiv neej tom qab lub txee muab rau lawv, thiab qee zaum qhov ntawd ua haujlwm zoo, thiab qee zaum nws tsis ua haujlwm.

Cov ntaub pua plag txiavthiabwoven roving yog ob daim ntaub uas koj yuav ntsib feem ntau hauv kev ua haujlwm nkoj tes. Txawm li cas los xij, lawv tsis yog cov neeg sib tw tiag tiag - lawv siv ua ke, hauv qee qhov chaw, rau qee qhov laj thawj. Kev sib xyaw lawv, lossis hla ib qho tag nrho, yog ib txoj hauv kev uas tib neeg xaus nrog lub nkoj uas zoo li zoo rau ib xyoos lossis ob xyoos thiab tom qab ntawd pib qhia cov ntawv luam tawm lossis, qhov phem dua, delaminates.

Nov yog qhov ua rau lawv sib cais.

Cov ntaub pua plag txiav

Cov ntaub pua plag txiavyog cov iav luv luv, ib lossis ob nti ntev, tawg ua tej daim me me thiab tuav ua ke nrog ib daim binder—ib daim binder hmoov lossis ib daim emulsion binder. Nws tsis tseem ceeb rau peb lub hom phiaj tsuas yog tias nws xav tau styrene-based resin (polyester lossisvinylester) kom yaj kom zoo. Qhov no ua rau tib neeg poob siab ntau dua li koj xav. Epoxy tsis rhuav cov khoom sib txuas tib yam, yog li ntawd, yog tias koj sim laminate daim lev nrog epoxy, koj tuaj yeem xaus nrog qhov tawv, ib nrab ntub dej uas yeej tsis sib txuas zoo.

Nws yog ua los ntawm kev txiav cov iav fiber tas mus li thiab muab tso rau ntawm txoj siv uas tus binder teeb tsa tus qauv random. Tsis muaj kev taw qhia ntawm cov noob, tsis muaj weave - tsuas yog cov fibers tawg thoob plaws. Koj feem ntau yuav pom nws hauv 1.5 oz, 2 oz, lossis 3 oz ib square foot, thiab 1.5 oz yog qhov uas feem ntau cov neeg ncav cuag rau ntawm lub hull ua haujlwm.

Qhov txog daim lev yog tias nws haus cov resin. Ntau ntawm nws. Koj tab tom saib qee yam zoo li 25/75 iav-rau-resin piv, uas txhais tau tias cov laminate tiav lawm hnyav dua li koj xav tau rau qhov ntau ntawm cov iav hauv nws. Qhov ntawd suab tsis zoo, thiab rau lub zog ntshiab-ib-phaus, nws zoo li yog. Tab sis tib yam khoom ntawd yog qhov ua raudaim lev uas raug txiavzoo rau cov haujlwm uas nws ua tau zoo - nws ua raws li cov kab nkhaus thiab cov ces kaum uas cov ntaub tawv tawv yuav hla, thiab nws sau cov qauv ntxhib ntawm kev roving kom nws tsis luam tawm los ntawm koj cov gelcoat.

Kev Siv Roving

Cov khoom siv sib txawv kiag li. Hloov chaw ntawm cov xov uas raug txiav ua tej daim me me,woven rovingpuas yog cov pob iav fiber txuas ntxiv uas tau muab xaws rau hauv daim ntaub - cov ntaub yooj yim, 0 thiab 90 degrees, zoo li burlap tab sis ua los ntawm iav. Koj tuaj yeem hnov ​​​​​​cov txhuam rub nrog koj cov ntiv tes.

Feem ntau qhov hnyav yog li ntawm 18 txog 24 oz ib square yard. Cov khoom hnyav dua - qhov ntau ntawm 24 oz - tshwm sim rau ntawm qab lub nkoj thiab txhua qhov chaw uas yuav ris lub nra hnyav lossis kev cuam tshuam tiag tiag.

Vim tias cov fibers khiav tas mus li es tsis txhob raug txiav thiab tawg, roving muaj zog dua ib phaus dua li lev. Nws kuj xav tau tsawg dua resin kom ntub tawm kom zoo, ze rau 50/50 iav-rau-resin, yog li koj xaus nrog lub laminate sib dua, muaj zog dua rau tib qhov ntau ntawm iav. Qhov ntes yog nws tsis xav khoov ib puag ncig cov kab nruj - thawb nws mus rau hauv lub ces kaum ntse, thiab nws txuas, tawm hauv qab uas koj yuav tsis pom kom txog thaum lub gelcoat tawg hla nws xyoo tom qab. Nws kuj tseem tawm hauv cov qauv weave pom yog tias koj muab tso rau hauv qab lub tsho tiav, uas yog vim li cas koj tsis ua.

Yog li Qhov Twg Zoo Dua?

Tsis yog ib qho, thiab qhov ntawd tsis yog lus teb cuav. Nug ib tus neeg ua vaj tse uas tau teeb tsa ntau tshaj ob peb lub hulls, thiab lawv yuav qhia koj tib yam: koj siv ob qho tib si, ua cov txheej sib hloov, vim lawv ua haujlwm sib txawv.

Fiberglass rovingnqa lub nra.Fiberglass matkhi cov khaubncaws sab nraud ua ke thiab muab rau koj ib qho chaw du qhov twg nws tseem ceeb. Dhia lub lev ntawm cov khaubncaws sab nraud povtseg kom txuag lub sijhawm lossis cov khoom siv, thiab koj tab tom teeb tsa koj tus kheej rau cov teeb meem interlaminar ntawm txoj kev - cov khaubncaws sab nraud povtseg tsuas yog tsis sib txuas zoo yam tsis muaj ib yam dab tsi puv qhov sib txawv ntawm cov ntaub ntxhib.

Ib qho kev teem sijhawm tiv thaiv gelcoat feem ntau yog li no: lev ua ntej (tsis txhob luam tawm), tom qab ntawd rov qab, tom qab ntawd lev dua, hloov pauv ntau zaus raws li qhov layup xav tau. Txheej thawj zaug yeej ib txwm yog lev, tsis hais koj siv dab tsi ntxiv, vim tias rov qab ncaj qha rau gelcoat yuav luag ib txwm telegraphs los ntawm thaum kawg.

Qhov Twg Txhua Tus Siv Tau Tiag

Gcov ntaub pua plag fiber ntau yog koj xaiv rau txhua yam uas muaj cov kab nkhaus nruj—chines, stringers, thiab transom corners—vim tias lawv ncab thiab rhuav los ntawm tes thiab ua kom sib haum yam tsis muaj kev sib ntaus. Nws kuj yog yam koj ncav cuag rau ntawm cov kho me me uas koj tsis xav tau ntau lub zog ntawm cov qauv, tsuas yog kev sib txuas zoo thiab qhov tiav du.

Cov iav fiber rovingmus rau qhov chaw uas qhov qauv tseem ceeb tiag tiag: hauv qab lub hull, transoms, bulkheads, thiab txhua qhov chaw uas yuav flex lossis cuam tshuam. Yog tias koj tsuas muaj roving thiab tsis muaj lev, koj yuav xaus nrog lub laminate uas muaj zog hauv kev xav tab sis muaj qhov tsis muaj zog ntawm cov khaubncaws sab nraud povtseg, ntxiv rau cov qauv weave pom txhua qhov chaw ze ntawm qhov chaw. Tsis yog kev sib xyaw ua ke zoo.

Ob Peb Txoj Kev Uas Tib Neeg Ua Yuam Kev No

Sivepoxynrog ib daim lev uas khi rau polyester resin yog qhov yuam kev feem ntau uas kuv pom - cov binder tsuas yog tsis yaj li nws yuav tsum tau, thiab koj tau txais ib daim laminate uas zoo nkauj kom txog thaum nws tsis ua.

Tsis txhob siv cov fiberglass lev ntawm cov txheej roving yog lwm qhov loj, feem ntau ua kom txuag tau sijhawm kho. Nws yuav kav ntev li ib pliag. Nws kuj yog ib qho ntawm cov laj thawj feem ntau ua rau cov hulls qub uas tau kho lawm pib tawg.

Thiab ces muaj kev xaiv qhov hnyav ntawm cov ntaub raws li yam khoom uas nyob ntawm lub txee es tsis yog qhov uas seem xav tau tiag tiag. Lub hauv qab ntawm lub nkoj thiab lub ru tsev ntawm lub tsev tsis yog tib txoj haujlwm. Kev kho lawv tib yam yuav ua rau nkim qhov hnyav qhov twg koj tsis xav tau nws lossis ua rau lub cev tsis ua haujlwm qhov twg koj xav tau.

Cov Lus Teb Sai Rau Cov Lus Nug Feem Ntau

Iswoven rovingMuaj zog dua li daim lev? Ib phaus, yog, los ntawm qhov zoo ntawm qhov sib txawv - cov fibers txuas ntxiv mus tsuas yog nqa lub nra hnyav zoo dua li cov xov txiav tawg. Daim lev tsis yog nyob rau hauv lub zog tensile; nws nyob rau hauv lub lev rau kev sib txuas thiab ua kom tiav qhov chaw.

Koj puas kam tsis siv daim lev thiab tsuas yog siv roving xwb? Koj ua tau, tab sis nws yuav ua rau muaj teeb meem rau txhua yam kev teeb tsa. Yog tsis muaj daim lev ntawm cov khaubncaws sab nraud povtseg, koj yuav poob lub zog ntawm cov interlaminar, thiab tej zaum koj yuav pom cov qauv weave pom tseeb thaum kawg.

Yuav kho lub nkoj li cas thiaj zoo? Siv daim ntaub mos mos los so rau saum npoo av, thiab maj mam mus ncig kom ruaj khov; yog tias koj xav tau kev txhim kho ntxiv, ces siv daim ntaub mos mos dua. Lub sijhawm kho yog nyob ntawm seb qhov loj thiab qhov chaw ntawm yam koj kho puas zoo - tsis muaj ib qho lus teb uas yuav pab tau txhua yam kev kho.

Lub ntsiab lus tseem ceeb: qhov no tsis yog qhov teeb meem "vs" txawm tias cov lus nug feem ntau raug nug li cas los xij. Cov lev fiberglass thiab cov ntaub woven roving daws cov teeb meem sib txawv, thiab feem ntau cov haujlwm nkoj khov kho siv ob qho tib si, raws li qhov kev txiav txim zoo, hauv qhov chaw zoo. Xaiv tus yeej, thiab koj yuav xaus nrog lub laminate uas hnyav dhau thiab tsis muaj zog lossis muaj zog tab sis puv nrog cov qhov tsis muaj zog zais. Siv lawv txoj kev uas lawv tau txhais kom siv, thiab koj tsis tas yuav xaiv txhua.