Plywood-resistant Plywood (28 Duab): Qhov Ntev Ntawm Cov Plywood Tsis Muaj Dej Raws Li GOST, Hom Thiab Cim Ntawm Cov Ntawv Rau Sab Nrauv Thiab Sab Hauv Ua Haujlwm. Yuav Ua Li Cas K

2024 Tus sau: Beatrice Philips | [email protected]. Kawg hloov kho: 2024-01-18 12:13

Hauv kev tsim kho kev lag luam, plywood yog nrov heev, uas tau hais los ntawm qhov muaj peev xwm ntawm nws siv tau yuav luag txhua qhov chaw. Txhawm rau koom nrog cov ntoo veneer los xij, cov khoom siv hluavtaws hluavtaws tau siv, uas muab qee qib kev tiv thaiv tiv thaiv ya raws. Txawm li cas los xij, kuj tseem muaj qee hom tsiaj nyob hauv khw uas muaj kev tiv thaiv ntau dua thiab tuaj yeem tiv nrog cov dej.

Nws yog dab tsi?

Ib qho tshwj xeeb ntawm cov ntoo plywood-resistant yog cov tshuaj tshwj xeeb tau siv rau nws cov khoom. Nws yog cov khoom siv no uas muab kev tiv thaiv zoo ntawm cov khoom los ntawm ya raws. Feem ntau, cov tuam ntxhab siv cov roj ziab kom qhuav ntoo, thiab cov xim tshwj xeeb thiab txheej txheej tuaj yeem siv tau . Txawm tias nyob rau theem ntawm kev tsim cov slabs, qee qib ntawm kev tiv thaiv kom tsis txhob ya raws tau teeb tsa. Qhov no yog ua tiav los ntawm kev kho qhov sib xyaw ntawm cov resins uas xav tau los txuas cov txheej. Yog li ntawd, tus kws tshaj lij dhau los tsuas yog xav tau los tshuaj xyuas cov khoom sib xyaw ua ke kom nkag siab txog qib plywood tsis kam rau dej.

Txoj kev tsim khoom no ua rau plywood ruaj khov thiab tiv taus qhov ua kom deformation. Qhov no tuaj yeem ua tiav ua tsaug rau qhov muaj ntau txheej, nrog rau cov nplaum tshwj xeeb.

Qhov zoo tseem ceeb ntawm cov khoom siv no tuaj yeem hais txog

• Qib siab ntawm kev tiv thaiv kom ya raws . Cov plywood zoo li no yuav tsis ua kom puas vim muaj dej. Ib qho ntxiv, nws tsis lo rau txheej thiab tsis poob nws cov duab.
• Yooj yim ntawm kev ua . Dua li ntawm qhov tseeb tias cov khoom siv lub zog siab, nws yooj yim heev rau txheej txheem nws. Koj tuaj yeem hloov cov duab lossis nce plywood siv ntau yam cuab yeej.
• Lub peev xwm los ua ke nrog lwm cov khoom siv hauv tsev . Ib qho tshwj xeeb ntawm hom plywood no yog tias nws feem ntau siv los ua txheej ntxiv. Qhov no tuaj yeem ua tau vim tias nws tuaj yeem ua ke nrog cov khoom ntuj lossis polymer yam tsis muaj teeb meem.
• Hnav tsis kam (BS) . Cov plywood zoo li no tuaj yeem tiv nrog qhov kev nyuab siab loj heev, thiab kev ncaj ncees yuav tsis cuam tshuam. Tias yog vim li cas cov khoom khaws nws qhov zoo nkauj txawm tias tom qab xyoo siv.
• Kev tiv thaiv kub kub heev , uas tso cai rau koj nruab nws txawm tias hauv chav dej.
• Tus nqi pheej yig . Cov phaj ntawm cov plywood yog ob peb zaug pheej yig dua ntoo. Ib qho ntxiv, ib txwm muaj sijhawm los cawm nyiaj los ntawm kev xaiv cov khoom lag luam ntawm qib qis thiab qib zoo.

Sib piv nrog lwm hom

Cov plywood uas tiv taus ya raws muaj nws tus yam ntxwv thiab qhov zoo uas txawv qhov nws nyiam los ntawm lwm txoj hauv kev. Cov plywood twg tuaj yeem hu ua cov dej tsis haum rau qee qhov, tab sis tsuas yog cov kev xaiv tshwj xeeb tsis muaj dej tuaj yeem tiv taus cov dej noo ntev . Ntawm cov ntsiab lus tseem ceeb uas sib txawv cov khoom siv no los ntawm lwm tus, nws muaj peev xwm hais txog nws cov impregnation nrog ziab cov roj, muaj cov xim tshwj xeeb thiab cov kua roj vanish txheej, nrog rau qhov muaj peev xwm suav nrog nws hauv cov khoom siv fiberglass.

Ntawm kev ua lag luam niaj hnub no, plywood tsis muaj dej nthuav tawm, qhov tuab thiab qhov ntev ntawm qhov uas yuav txawv nyob ntawm tus tsim khoom

Ib qho ntxiv, txhua lub tuam txhab muab cov khoom lag luam nrog qib tshwj xeeb ntawm kev tiv thaiv dej, uas tau ua tiav los ntawm kev siv cov khoom sib txawv.

Nws yog qhov muaj nyob ntawm cov khoom no uas teev cov khoom sib nrug ntawm lwm tus. Qee qhov nyiam tshaj plaws tiv taus ya raws tuaj yeem ua qhov txawv.

• Urea sib txuas , uas lav qhov siab tshaj plaws tiv thaiv kom ya raws, thiab tseem muaj cov txiaj ntsig zoo ntawm lub zog yam ntxwv ntawm cov khoom. Ib qho ntxiv, cov ntaub ntawv no tsis kim heev.
• Phenol-formaldehyde cob . Lawv yog cov yam ntxwv ua tau zoo heev, yog li ntawd, cov plywood feem ntau siv rau kev kho kom zoo nkauj sab nraum zoov.
• Cov laug cam uas khav theeb tsis muaj kev tiv thaiv ya raws nrog rau lub peev xwm tiv taus UV hluav taws xob.

Cov Qauv

Muaj ob peb tus qauv ntawm cov plywood-resistant plywood ntawm kev ua lag luam niaj hnub no, ntawm qhov uas cov khoom ntawm cov khoom no txawv. Ntawm qhov nrov tshaj plaws thiab xav tau yog cov uas nthuav tawm hauv qab no.

Lub hom phiaj plywood , uas yog cov khoom siv uas suav nrog ntau daim ntawv nplaum nplaum. Txhawm rau tsim cov khoom siv no, siv ntau yam ntoo coniferous. Cov txheej txheem tsim khoom tau ua tiav raws li GOST 3916.1-96.

Kev tsim plywood , uas yog nquag siv nyob rau hauv tus txheej txheem ntawm kev tsim kho thiab ua haujlwm tiav. Cov ntaub ntawv no yog tsim, yog li tsis muaj qhov tshwj xeeb xav tau los ntawm nws. Feem ntau, cov no yog qib 3 thiab 4 plywood. Rau kev ntsuas cov ntaub ntawv raw, cov nplaum tshwj xeeb ua los ntawm phenol-formaldehyde resins tau siv. Qhov tshwj xeeb ntawm cov plywood no feem ntau yog tuab tuab, uas txaus rau yuav luag txhua lub hom phiaj.

Rooj tog plywood , uas khav ntawm nws cov yam ntxwv zoo sab nraud. Cov khoom lag luam no tsis yog tsuas yog qhov txawv ntawm lawv qhov kev tiv thaiv kom ya raws, tab sis kuj tiv nrog kev thauj khoom ntau ntxiv yam tsis muaj teeb meem. Ib qho ntxiv, cov rooj tog xaiv tsis muaj qhov tsis xws luag sab nraud, suav nrog cov chips lossis pob qhov rooj. Hauv cov txheej txheem txheej txheem, cov khoom siv tau zoo polished.

Hniav noo noo tiv taus plywood , uas tuaj yeem npog nrog ntau yam khoom siv zaj duab xis. Qhov kev xaiv no tseem tsim los ntawm GOST cov qauv thiab tej zaum yuav muaj ntau yam kev xaiv rau cov khoom siv hluavtaws.

Laminated plywood , uas yog qhov tshwj xeeb los ntawm nws qhov kev tiv thaiv rau ntau yam kev cuam tshuam ib puag ncig. Tias yog vim li cas lawv feem ntau siv los tsim qhov chaw nrog qib siab ntawm kev hnav tsis kam. Qhov tshwj xeeb zoo ntawm cov khoom siv no yog nws yooj yim ntawm kev teeb tsa thiab yooj yim ntawm kev ua. Ib qho ntxiv, cov nplaim yog tiv taus cov tshuaj ntxuav.

Nws yuav tsum tau sau tseg tias txhua yam ntawm cov plywood tiv taus ya raws nruab nrab yog tus qauv tshwj xeeb uas yuav tsum tau ua raws nruj me ntsis thaum nws tsim khoom. Txhua cov ntaub ntawv yuav tsum muaj daim ntawv pov thawj tshwj xeeb ntawm kev ua raws, nrog rau kev kos npe nrog lub npe ntawm cov ntsiab lus tseem ceeb.

Nyiaj muas

Muaj ntau tus plywoods tau nthuav tawm ntawm kev ua lag luam niaj hnub no, uas txawv hauv lawv kev faib tawm. Nws yog qhov tsim nyog los xaiv qee yam raws li hom khoom lag luam uas qhia txog qib kev tiv thaiv ntawm cov khoom thiab raug dej. Muaj ntau txoj hauv kev xaiv ntawm cov npe nthuav tawm hauv khw.

FBA . Cov no yog cov khoom lag luam, hauv cov txheej txheem tsim uas siv cov kua nplaum albuminocasein. Cov khoom siv no tsis tuaj yeem khav ntawm qib siab ntawm kev tiv thaiv kom ya raws, tab sis nws muaj kev nyab xeeb heev los ntawm ib puag ncig kev pom thiab zoo dua li lwm lub npe los ntawm cov qauv no. Feem ntau nws yog nias lossis ntau txheej plywood.

FC . Cov khoom siv no yog tsim los ntawm cov ntoo veneer, xws li plywood yog qhov tshwj xeeb los ntawm qib siab tiv thaiv kom tsis txhob ya raws. Cov yam ntxwv tshwj xeeb ntawm lub npe ua rau nws muaj peev xwm siv cov plywood no hauv cov txheej txheem ntawm kev ua tiav sab hauv. Qhov no tau dhau los ua qhov tseeb vim tias cov khoom raug txiav txim siab ib puag ncig zoo thiab tsis muaj cov tshuaj lom.

FSF . Ib lub npe zoo dua, tus nqi ntawm uas tseem nyob hauv qib siab. Hauv cov txheej txheem tsim cov plywood, cov kua nplaum tshwj xeeb ua los ntawm cov phenolic resins tau siv. Birch ntoo yog siv los ua cov khoom tseem ceeb. Qhov tshwj xeeb ntawm cov khoom siv yog nws cov tuab tuab, yog li nws tuaj yeem siv rau hauv kev ua tiav sab nrauv. Tab sis nws tsis tsim nyog siv cov khoom lag luam sab hauv, vim tias hom khoom no muaj cov tshuaj lom uas tuaj yeem tso rau hauv huab cua thaum siv thaj chaw.

FOF . Zaj duab xis ntsib plywood nrog cov dej tsis sib xws ntawm tus nqi siab tshaj. Cov khoom no tuaj yeem khav ntawm nws qhov kev ua tau zoo tshwj xeeb, vim qhov ntawd, txawm tias tom qab xyoo siv, cov khoom tsis poob nws cov khoom. Ib qho ntxiv, cov khoom siv tsis suav nrog ib yam tshuaj uas tsim kev puas tsuaj rau tib neeg, yog li hom plywood no tuaj yeem siv rau kev kho kom zoo nkauj sab hauv.

FBS (FWB) . Cov no yog bakelized slabs, qhov txawv tsis yog los ntawm lub peev xwm los tiv thaiv cov dej noo, tab sis kuj los ntawm kev tiv taus rau cov neeg kho tshuab kev nyuaj siab. Ib theem siab ntawm kev tiv thaiv ya raws tau ua tiav vim kev siv phenol-formaldehyde resins hauv cov txheej txheem tsim khoom.

Hauv kev tsim kho kev lag luam, hom khoom no tau siv tsis tau, txawm li cas los xij, nws tau ua pov thawj nws tus kheej zoo heev hauv kev lag luam dav hlau thiab hauv kev tsim cov nkoj.

Qhov ntev (kho kom raug)

Plywood qhov ntau thiab tsawg sib txawv los ntawm cov chaw tsim khoom mus rau cov chaw tsim khoom. Qhov nruab nrab qhov ntau thiab tsawg yog 1, 22x2, 44 m, ntxiv rau 1, 25x2, 50 m. Kev xaiv qhov kev pom zoo tshaj plaws nyob ntawm lub hom phiaj uas yuav siv cov khoom siv . Raws li rau cov tuab ntawm cov pob zeb, nws tuaj yeem yog los ntawm 9 txog 40 hli. Txhua yam nws nyob ntawm tus naj npawb ntawm txheej ntoo, ntawm qhov uas tuaj yeem muaj qhov tsawg kawg ntawm 3 thiab qhov siab tshaj ntawm 21.

Yog hais tias plywood yog qhov txawv los ntawm FC hom, tom qab ntawd nws ntev yog 1.525 m . Hauv qhov no, qhov dav nce mus txog 1, 20 lossis 1, 55 m. Qhov ntev ntawm FBS plywood tuaj yeem ntsuas qhov ntev, uas yog los ntawm 1, 6 txog 7, 8 m, thiab qhov dav tsis tshaj 1.60 m.

Cov ntawv thov

Cov plywood tsis muaj dej tau suav tias yog ntau yam, yog li nws tuaj yeem siv hauv yuav luag txhua qhov kev lag luam. Cov khoom tau txais qhov kev thov loj tshaj hauv kev tsim kho . Nws muaj feem cuam tshuam thaum ua tiav kev ua tiav sab hauv: npog phab ntsa, ru tsev thiab hauv pem teb, ntxiv rau tsim cov khoom dai kom zoo nkauj. Nyob rau xyoo tsis ntev los no, plywood-resistant plywood tau muaj feem cuam tshuam heev thaum tsim cov ntawv tshaj tawm ntawm txoj kev, ntxiv rau hauv kev tsim cov ntim khoom. Cov khoom siv no khav theeb, ntseeg tau thiab qhov hnyav tsawg, ua rau nws yog ib qho kev daws teeb meem zoo tshaj plaws rau kev tsim nkoj thiab dav hlau kev lag luam.

Yog li, plywood tiv taus ya raws yog qhov ua tau zoo, ntseeg tau thiab raug nqi . Qhov ntau yam ntawm cov khoom siv no yog tias nws tuaj yeem siv hauv yuav luag txhua qhov kev lag luam. Qhov tseem ceeb tshaj plaws yog xaiv hom zoo thiab hom, uas qib ntawm kev tiv thaiv kom ya raws nyob, nrog rau lub peev xwm los tiv nrog ib puag ncig cuam tshuam. Cov plywood tsis muaj dej tuaj yeem ua rau tawv, xim av, dawb lossis dub, txiab lossis birch.

Koj yuav tsum ua tib zoo mloog txhua lub sijhawm, vim tias kev siv cov khoom siv tau zoo nyob ntawm nws. Qhov sib txawv tseem ceeb ntawm cov khoom siv no yog tias nws tsis poob nws cov khoom txawm tias thaum raug rau cov dej noo muaj zog.