Ntau cov haujlwm ua haujlwm ntoo muaj cov npe ntawm cov khoom siv rau plywood.Txhua yam los ntawm cov tsev mus rau chav ua noj rau lub dav hlau tau txais txiaj ntsig los ntawm kev siv plywood hauv kev tsim tag nrho.Plywood yog ua los ntawm cov ntawv loj lossis cov veneers, uas tau muab tso rau saum ib leeg, nrog rau txhua txheej tig 90 degrees nyob rau hauv kev coj ntawm ntoo grain.Cov khaubncaws sab nraud povtseg no tau sib koom ua ke nrog cov nplaum thiab cov nplaum los ua ib lub vaj huam sib luag loj thiab ruaj khov.Plywood muab thaj tsam loj dua li siv ob peb lub rooj ntoo.Muaj ntau ntau hom plywood, txawm tias tshav kub-resistant thiab waterproof, ntxiv txhawb lawv siv nyob rau hauv ntau qhov chaw.Niaj hnub no, xaiv cov khoom tsim nyog tuaj yeem ua kom yuam kev.Koj yuav tsum txiav txim siab ntau yam, qhov loj me, thiab tuab uas tuaj yeem ua tiav txoj haujlwm no.Txawm li cas los xij, thaum koj mus ntsib plywood seem ntawm lub khw muag khoom kho vajtse hauv zos, cov lus nug uas xav tsis thoob tshaj plaws uas koj tuaj yeem nug yog, qhov twg ntawm cov kev xaiv no yog qhov haum rau kuv qhov project?
Tag nrho cov no boils mus rau qhov qhab nia system.Tsis yog txhua lub boards sib npaug.Uas yog hais, xwm tsis replicate ntoo nyob rau hauv meej duab txhua txhua lub sij hawm.Qhov muaj nyob ntawm qib ntoo yog vim qhov sib txawv ntawm cov ntoo hauv qhov xwm txheej.Cov xwm txheej xws li av zoo, dej nag nruab nrab, thiab txawm tias cov ecosystems hauv zos tuaj yeem cuam tshuam txog kev cog ntoo.Qhov tshwm sim yog txawv ntoo grain, nodule loj, nodule zaus, thiab lwm yam. Thaum kawg, qhov tsos thiab kev ua tau zoo ntawm ib daim ntoo txawv nyob ntawm tsob ntoo.Thaum xub thawj siab ib muag, qhov no zoo nkaus li yooj yim heev.Muaj qhov zoo thiab qhov tsis zoo, puas yog?Tsis tiav.Rau cov haujlwm tshwj xeeb, txawm tias qib qis tshaj plaws yuav muaj qhov zoo tshaj plaws.Ntawm qhov tsis sib xws, nws yog qhov zoo tshaj los teb cov lus nug no los ntawm kev tshuaj xyuas cov ntsiab lus muab los ntawm txhua qib thiab qib twg yog qhov zoo tshaj plaws rau cov ntawv thov.
Plywood grading system
Ntawm no yog rau qib ntawm plywood thiab yuav ua li cas txhua qib muab tus nqi rau cov haujlwm ua haujlwm ntoo.
Plywood muab faib ua qib A, qib B, qib C, qib D, qib CDX, lossis qib BCX.Feem ntau hais lus, qhov zoo ntawm Circuit Court boards nyob ntawm A zoo tshaj plaws rau D phem tshaj.Tsis tas li ntawd, plywood tej zaum kuj tuaj nrog ob qib, xws li AB lossis BB.Nyob rau hauv cov ntaub ntawv no, txhua theem sawv cev rau ib tug ntawm cov sab ntawm lub vaj huam sib luag.Qhov no yog cov khoom tsim tawm tsis tu ncua, vim tias ntau qhov haujlwm tsuas yog nthuav tawm ib sab ntawm lub rooj tsavxwm.Yog li ntawd, es tsis txhob siv cov khoom zoo ib leeg los ua ib lub rooj tsavxwm, nws yog qhov kev lag luam ntau dua los ua txhua lub rooj tsavxwm tshwj tsis yog rau saum npoo rau hauv cov khoom qis.Nyob rau hauv rooj plaub ntawm CDX thiab BCX, lawv siv ntau yam veneer zoo thiab cov nplaum tshwj xeeb.X nyob rau hauv cov ntsiab lus no feem ntau yuam kev rau qib sab nrauv, tab sis nws txhais tau hais tias cov nplaum tshwj xeeb uas tiv taus cov nplaum yog siv rau ntawm cov qauv vaj huam sib luag.
A-qib plywood
Thawj thiab qib siab tshaj plaws ntawm plywood yog Qib A. Qhov no yog hais txog kev xaiv rau board zoo.A-qib plywood yog du thiab polished, thiab tag nrho lub rooj tsavxwm muaj cov qauv zoo.Tag nrho polished nto tsis muaj qhov los yog qhov khoob, ua rau qib no zoo heev rau kev pleev xim.Pleev xim rau cov rooj tog zaum hauv tsev lossis cov txee yog qhov zoo tshaj plaws ntawm qib no.
B-qib plywood
Qib tom ntej yog Qib B, qib no tiag tiag sawv cev rau cov khoom ntoo zoo tshaj plaws hauv cov xwm txheej.Ua ntej yuav muaj kev hloov kho lossis kho hauv lub hoobkas, ntau lub rooj tsavxwm feem ntau mus txog qib B.Qhov no yog vim B-theem tso cai rau ntau qhov kev ntxhib los mos, loj dua cov nodules tsis kho, thiab qhov sib txawv tsis sib xws.Tso cov hlua khi nrog txoj kab uas hla mus txog 1 nti.Yog tias koj tuaj yeem ua ob peb lub pob ntawm tag nrho lub rooj tsavxwm, cov laug cam no tseem tsim nyog rau kev pleev xim.Qib no kuj tso cai rau cov kab nrib pleb me me heev thiab tsis muaj xim ntawm lub rooj tsavxwm.Ntau daim ntawv thov siv B-qib plywood, nrog rau cov txee, rooj tog zaum nraum zoov, thiab rooj tog zaum.Lub ntuj thiab thawj tsos ntawm qib no ntawm plywood endows txhua qhov project nrog txaus lub zog thiab tus cwj pwm.
C-qib plywood
Cov theem tom ntej yog C-level board.Class C, zoo li Class B, tso cai rau lub qhov, pores, thiab pob qhov rooj.Cia txoj kab uas hla mus txog ½ nti ntawm cov nodules kaw, thiab pob qhov qhov txog li 1 nti hauv txoj kab uas hla, Ntawm cov laug cam, muaj ntau qhov kev cai rau kev sib cais.Cov npoo thiab dav hlau yuav tsis zoo li B-theem.Cov khoom tshwm tuaj yeem cuam tshuam los ntawm cov kev cai looser rau C-qib plywood.Daim ntawv thov muaj xws li cov qauv framing thiab sheathing.
D-qib plywood
Qhov kawg theem tseem ceeb yog theem D. Cov tsos ntawm D-qib ntoo yog rustic heev, nrog ib txoj kab uas hla mus txog ½ 2 nti ntawm cov nodes thiab pores, loj faib, thiab loj heev discoloration.Cov qauv nplej kuj tseem yuav ua xoob.Txawm hais tias tsis yog qhov huv tshaj plaws lossis yooj yim tshaj plaws rau xim, qib ntawm plywood no tsis muaj txiaj ntsig.Qib D tseem xav kom lub rooj tsavxwm tuaj yeem tiv taus kev ntxhov siab thiab kev thauj khoom kom nyab xeeb siv hauv kev ua haujlwm ntoo lossis cov tsev loj.Cov ntoo tsis tsim nyog tiag tiag tsis tsim nyog rau txhua qib, yog li koj tuaj yeem ntseeg tau tias txawm tias qib qis tshaj ntawm cov ntoo yuav tsum ua tau raws li qhov yuav tsum tau ua.Ntau yam kev ua haujlwm siv qib no vim tias cov ntoo yuav raug them txawm tias muaj dab tsi.Lub zog yuav muab cov qauv ruaj khov ntawm tus nqi luv nqi.
Qib BCX plywood
BCX plywood kuj muaj nyob rau hauv seem plywood.Qib no siv C-theem txheej thiab ib txheej B-theem ntawm ib qho chaw.Cov nplaum siv kuj yog noo-resistant.Cov khoom tshwj xeeb no feem ntau yog siv rau kev siv sab nraum zoov uas tseem xav tau cov tsos, suav nrog txheej lossis pleev xim.Hom plywood no yog siv rau tej yaam num xws li barn phab ntsa panels, ua liaj ua teb vaj huam sib luag, thiab kev ceev ntiag tug laj kab.
Tam sim no koj nkag siab txog ntau hom plywood, koj tuaj yeem ntseeg siab xaiv cov khoom tsim nyog rau koj txoj haujlwm.Txawm hais tias koj xav tau kev ua tiav zoo tshaj plaws, cov xim pleev xim tshiab, lossis tsuas yog ua kom ntev, koj yuav paub tias qib twg haum rau koj.
Qib CDX plywood
CDX plywood yog ib qho piv txwv ntawm ob qib boards.Raws li lub npe qhia, ib sab yog ua los ntawm C-qib veneer thiab lwm sab yog ua los ntawm D-qib veneer.Feem ntau, cov txheej sab hauv seem yog ua los ntawm D-qib veneer kom nws pheej yig dua.Moisture resistant phenolic adhesives kuj yog siv los txhim kho kev ua tau zoo nyob rau hauv cov huab cua ntub los yog ntub dej.Qib no yog qhov kev xaiv zoo tshaj plaws uas yuav tsum muaj ntau ntawm cov plywood, thiab feem ntau ntawm nws yuav raug them tsis muaj teeb meem dab tsi.CDX plywood feem ntau yog siv rau sab nrauv phab ntsa thiab sheaths.C-qib saum npoo muab lub ntsej muag smoother uas cov neeg cog lus siv tau thaum txhim kho lwm qhov ntawm cov qauv, suav nrog huab cua tiv thaiv txheej thiab phab ntsa vaj huam sib luag.
Post lub sij hawm: Jun-07-2023