2024 Tus sau: Beatrice Philips | [email protected]. Kawg hloov kho: 2024-01-18 12:13
Cov ntaub ntawv ntoo, hauv daim ntawv nyias nyias thiab cov nplais, tau suav tias yog qhov kev xaiv zoo rau siv hauv kev tsim kho thiab kho kom zoo nkauj ntawm cov tsev thiab cov qauv. Lawv muaj ntau yam sib txawv hauv lawv qhov tsis suav nrog, lub zog, qhov pom, tab sis lawv ib txwm ua raws cov khoom siv ntuj tsim. Txhawm rau nkag siab tias nws yog dab tsi, daim ntawv ntoo yog tus phooj ywg ib puag ncig, kev txheeb xyuas ntawm ntau yam kev xaiv rau cov khoom lag luam no yuav pab tau.
Nws yog dab tsi?
Cov khoom siv ntoo yog hom khoom uas tau txais los ntawm kev ua haujlwm ntawm lub hauv paus ntuj . Lawv tuaj yeem muaj lub hom phiaj tsim kho, ua kom zoo nkauj, tiv tshav kub. Ntoo ntuj ib txwm ua raws lub hauv paus, raug rau kev nyuaj siab ntawm lub tshuab lossis kev cuam tshuam ntawm kev ua haujlwm ntawm lub cev. Hais txog lawv cov peev txheej, cov ntaub ntawv ntawm pab pawg no tau zoo dua rau lawv cov neeg tsis tau kho dua tshiab. Lawv tiv taus ntau rau kev ua haujlwm hnyav.
Cov khoom siv ntoo muaj qhov pom tseeb zoo:
- dav ntau yam;
- cov txiaj ntsig zoo nkauj;
- yooj yim ntawm kev teeb tsa;
- tiv taus ib puag ncig cuam tshuam;
- qhov ua tau ntawm kev ua tiav ntxiv.
TO tsis zoo tuaj yeem yog tus txheeb ze ib puag ncig kev nyab xeeb - hauv kev tsim khoom ntawm qee cov khoom lag luam nias hauv cov phaj siv cov nplaum los ntawm phenol -formaldehyde. Ib qho ntxiv, hais txog kev tiv thaiv ya raws, cov khoom ntoo qee zaum kuj tseem qis dua cov ntoo.
Thaum tsis muaj hluav taws kub hnyiab tsis tuaj yeem ua rau lawv tawg taus, nquag rau kev txhim kho rot thiab pwm, thiab nyiam kab.
Thawj qhov yuav tsum tau muaj
Cov khoom siv ntoo yuav tsum ua tau raws li qhov yuav tsum tau ua. Hauv lawv cov khoom lag luam, nws raug tso cai siv cov ntoo ntoo thiab cov ntoo txiav ntoo, nrog rau pov tseg los ntawm kev sau qoob loo, ua haujlwm. Ib qho ntxiv, cov ntoo uas tsis yog ntoo tuaj yeem siv tau: resinous, nplaum ntawm lub hauv paus ntuj, yas thiab lwm yam polymers, ntawv.
Rau gluing blanks, cov hauv qab no txoj hauv kev tuaj yeem siv tau:
- nyob rau ntawm tus hniav ntsia hlau ntev;
- nyob rau hauv ib tug mustache nyob rau hauv dav;
- ntawm kev sib koom ua ke hauv ob lub dav hlau.
Txhua qhov kev xav tau tsis yog dav dav, tab sis yog tus neeg ib txwm muaj, vim lawv sib txawv nyob ntawm hom thiab hom phiaj ntawm cov khoom.
Hom kev txheeb xyuas
Kev faib tawm ntawm cov khoom siv ntoo yog qhov dav heev thiab muaj ntau yam. Ib txhia ntawm lawv tau los ntawm kev ua cov khib nyiab uas tau txais thaum lub sij hawm sawing, phiaj xwm, thiab siv lwm txoj hauv kev los kho cov ntoo ntawm ntuj ntoo. Txij li cov khoom siv raw yog ntoo, conventionally tag nrho cov khoom lag luam yog tus phooj ywg ib puag ncig. Tab sis qhov no tsis yog ib txwm muaj tseeb, txij li cov khoom zoo li no yuav tsis muaj los ntawm cov khoom sib txuas nrog rau hauv cov ntawv thiab phaj cov ntsiab lus thaum tsim khoom.
Cov ntaub ntawv siv ntoo yog siv feem ntau qhov twg xav tau phab ntsa, hauv pem teb, thiab qab nthab. Plywood yog ua los ntawm cov ntawv sib txawv ntawm cov veneer. Cov vaj huam sib luag hauv tsev (MDF) tau txais los ntawm cov fiber uas tau txais hauv chav kawm ntawm kev sib tsoo pov tseg. Particle panels kuj tau ua hauv daim ntawv nyias nyias. Cov ntaub ntawv rau kev tsim cov chips uas tau siv yog hu ua OSB - lawv kuj suav nrog OSB npav cim siv txawv teb chaws.
Ntuj
Pawg no yog qhov dav tshaj plaws. Nws nthuav tawm cov ntoo thiab cov ntoo uas tau ua tiav ntau txoj hauv kev ntawm kev kho tshuab. Ntawm cov kev xaiv nrov tshaj plaws yog:
- puag ncig ntoo;
- zom;
- sawn;
- chipped;
- ntoo chip veneer;
- plywood npaj;
- ntoo shavings, fibers thiab sawdust.
Qhov tshwj xeeb ntawm pab pawg ntawm cov ntaub ntawv no yog qhov tsis muaj kev suav nrog txawv teb chaws . Lawv tau tsim los siv tshwj xeeb ua cov txheej txheem, yam tsis muaj kev koom nrog cov nplaum thiab impregnations.
Hais txog kev phooj ywg ib puag ncig, pawg no yog qhov nyab xeeb tshaj plaws.
Impregnated
Cov ntaub ntawv ntoo tau hloov kho los ntawm kev siv impregnations tau ua rau muaj kev tiv thaiv dej ntau ntxiv thiab ua rau muaj zog tiv taus cov neeg kho tshuab . Feem ntau, cov tshuaj caustic - ammonia, hluavtaws oligomers, tshuaj tua kab mob, cov nplaim hluav taws kub, cov zas xim - ua cov khoom ntxiv. Cov txheej txheem impregnation tuaj yeem ua ke nrog kev sib zog ntxiv lossis cua sov ntawm cov khoom.
Impregnated lossis hloov kho cov ntoo raws li cov khoom tau txais kev txhim kho lub zog khov kho - qhov sib txawv mus txog 75%, txo cov dej nqus. Lawv tsim nyog siv ua lub hauv paus rau kuv cov racks, tiv thaiv kev sib txhuam ntsiab lus rau ntau lub hom phiaj.
Nias
Pawg no suav nrog DP - nias ntoo, tsim los ntawm kev sib zog nrog siab txog 30 MPa. Hauv qhov no, cov khoom siv raw li ntuj yuav raug cua sov ntxiv. Cov ntoo nias raug cais raws li txoj hauv kev kom tau txais cov khoom siv:
- contour foob;
- ib sab;
- ob tog.
Qhov ntau dua qhov cuam tshuam, qhov kev sib zog muaj zog dua . Piv txwv li, nrog rau ib sab nias, cov tuav tau sib zog hla cov fibers, thaum tswj hwm ib qho. Nrog kev sib cog lus sib cog, ib daim ntoo raug nias rau hauv cov pwm hlau nrog txoj kab uas hla me dua. Kev ua ob tog ua haujlwm ntawm cov tuav ntev thiab hloov pauv. Cov ntoo nias tau txais kev tiv taus siab rau deformation, sib txawv hauv cov khoom siv thiab lub zog cuam tshuam - nws nce 2-3 zaug tom qab ua tiav.
Cov khoom siv kuj dhau los ua dej tsis zoo los ntawm kev sib txuas ntawm cov fibers.
Txheej
Pawg no suav nrog cov khoom siv ntoo uas tau tsim los siv cov plywood txiav los yog veneer . Cov khoom sib txuas feem ntau yog cov kua nplaum los yog cov khoom siv hluavtaws.
Kev faib tawm ntawm cov khoom siv laminated ntoo suav nrog cov hauv qab no
- Joiner qhov cub . Nws yog qhov tseeb dua hu nws laminated ua ke ntoo.
- Plywood . Nws cov fibers hauv txhua txheej veneer yog ob leeg sib npaug. Qhov no ua kom muaj zog yam ntxwv ntawm cov khoom.
- Moulded plywood . Nws yog tsim nyob rau hauv daim ntawv ntawm cov qauv nrog cov kab nkhaus.
- Ntoo ntoo . Cov fibers hauv nws cov ntawv tuaj yeem npaj ua ke sib txawv lossis hauv ib qho kev taw qhia.
Kev txhawb ntxiv ntxiv uas siv ntaub, mesh lossis ntawv hlau tau tso cai ua cov khoom siv laminated.
Glued
Qhov no suav nrog cov khoom siv ntoo uas txuas nrog rau daim ntaub thaiv, ntoo lossis lwm yam khoom . Kev sib tsoo tuaj yeem tshwm sim ntev, dav, tuab. Lub hom phiaj tseem ceeb ntawm kev sib raug zoo yog txhawm rau txhim kho cov qauv vim muaj qee yam kev npaj ntawm cov ntsiab lus nrog cov yam ntxwv sib txawv thiab cov yam ntxwv ntawm lub cev. Qhov kev sib txuas yuav siv qhov chaw nyob rau hauv siab siv cov nplaum thiab cov khoom ntoo ntuj.
Laminated
Pawg no suav nrog cov khoom siv ntoo, uas tau tsim los ntawm ntau txheej txheej ntawm veneer, sib txuas nrog cov resins ntawm cov khoom siv hluavtaws . Kev ua haujlwm ntxiv yuav tsum muaj qhov siab ntawm 300 kg / cm3 nrog cua sov ntawm cov khoom siv mus txog +150 degrees.
Kev faib tawm yooj yim yog tib yam li uas siv rau cov khoom siv laminated.
Ntoo-yas
Qhov no suav nrog txhua cov laug cam sib xyaw ua ke nrog kev siv cov yas yas. Chips, shavings, sawdust, ntoo shredded yog siv los ua raw khoom. Binders tuaj yeem yog cov ntxhia lossis cov organic, lossis hauv daim ntawv ntawm cov khoom siv hluavtaws. Hom nto moo tshaj plaws ntawm cov ntaub ntawv no yog DSP, chipboard, OSB, MDF . Fiberboard yog ua los ntawm cov fiber - lawv cov khoom tsim tau ntau dua li ua ntawv.
Nta ntawm kev siv
Kev siv cov khoom siv ntoo yog txiav txim siab los ntawm lawv tus yam ntxwv. Lawv tau dav tshaj plaws hauv kev thov hauv ntau thaj chaw.
- Tsev . Ntawm no, cov ntaub ntawv loj loj xav tau - chipboard, OSB, DSP, tsom mus rau kev tsim sab nrauv thiab sab hauv phab ntsa, faib ua feem nrog kev teeb tsa thev naus laus zis.
- Rooj tog tsim khoom . Nov yog cov ntaub ntawv nrog polymer (yas), ntxiv rau ntawv sab nrauv, MDF thiab chipboard feem ntau xav tau.
- Soundproofing thiab thermal rwb thaiv tsev . Nrog kev pab los ntawm cov nplais, koj tuaj yeem txo qhov pom ntawm qhov faib thiab qab nthab, tshem tawm lossis txo cov cua sov poob hauv cov tsev rau ntau lub hom phiaj.
- Mechanical engineering . Cov khoom siv ntoo yog xav tau hauv kev tsim cov tsheb thauj khoom thiab cov cuab yeej tshwj xeeb.
- Tsheb tuam . Cov nplais nplaum tau siv los ua cov qauv tsheb thauj khoom rau lub hom phiaj thauj khoom, hauv pem teb thiab lwm yam.
- Kev Nkoj Nkoj . Cov khoom siv ntoo, suav nrog cov uas muaj cov tshuaj polymer ntxiv, tau siv hauv kev tsim cov nkoj loj, npaj rau thaj chaw sab hauv.
Lub peculiarities ntawm kev siv cov khoom siv ntoo yog txiav txim siab feem ntau los ntawm qib ntawm lawv cov dej tsis kam thiab lub zog ua haujlwm .… Feem ntau ntawm cov khoom lag luam no tau npaj rau kev kho kom zoo nkauj sab hauv ntawm thaj chaw lossis xav tau lub koom haum ntawm chaw nyob ntxiv nyob rau hauv daim ntawv ntawm cov pa-permeable thiab cov yeeb yaj kiab tiv thaiv dej.
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