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Cov Qauv Zoo Txog Qib A / B / C Pine FJ Wood Boards

Dec 13, 2025

Tso lus

Cov qauv zoo txog qib A / B / C ntoo thuv FJ ntoo boards

Tsis muaj kev sib koom ua ke thoob ntiaj teb tus qauv tsim nyog rau kev muab qhab nia zoo ntawm ntoo thuv ntiv tes-jointed (FJ) wood boards tseem tsis tau, tab sis kev lag luam tau tsim cov ntsiab lus zoo ib yam raws li cov tsos, kev ua tau zoo, thiab kev ua haujlwm zoo.

Hauv qab no yog cov qauv zoo sib xws rau Qib A, B, thiab C ntoo thuv FJ ntoo boards, uas sib koom ua ke kev lag luam hauv tsev thiab txawv teb chaws thiab cov tub lag luam thoob ntiaj teb cov qauv:

Qhov Ntsuas Zoo Qib A Qib B Qib C
Qhov Defects Ob npaug -sided tsis muaj pob qhov rooj (xws li pob qhov rooj dub, pob qhov rooj tuag), tsis muaj ntoo core, tsis muaj cov khoom tsis txaus. Tsuas yog 1 - 2 me ntsis thiab tsis yog - cov kab ntxhia ntom ntom lossis cov roj kab raug tso cai, thiab cov hnab roj yuav tsum nyob hauv 10 hli. Tsis muaj pinholes hauv paus, lossis tsis muaj ntau tshaj 3 pinholes ntawm ib sab. Sab pem hauv ntej yog tsis muaj pob tw, ntoo cores thiab cov khoom tsis txaus; sab nraub qaum tuaj yeem muaj cov pob txha thiab cov khoom siv ntoo. Cov xim me me sib txawv thiab cov xim xiav me ntsis tuaj yeem ua tau, thiab cov teeb meem me me tuaj yeem kho. Ob sab tuaj yeem muaj tsob ntoo cores thiab pob qhov rooj. Nyob pob tw hauv 10mm uas phim lub rooj tsav xwm xim raug tso cai. Cov teeb meem xws li xiav stains, cov hnab roj hmab thiab cov kab nrib pleb me ntsis tuaj yeem tshwm sim tab sis yuav tsum tau kho kom zoo.
Xim thiab textures Cov xim ntawm ob sab yog qhov yooj yim sib xws, tsis muaj qhov pom tseeb xim sib txawv, thiab kev ntxhib los mos yog qhov sib xws thiab zoo nkauj. Cov xim ntawm sab pem hauv ntej yog sib xws, thaum sab nraub qaum tuaj yeem muaj xim sib txawv me ntsis vim cov pob qij txha thiab tsob ntoo cores, thiab tag nrho kev ntxhib los mos yog qhov zoo. Xim sib txawv ntawm ob sab yog txais, thiab kev ntxhib los mos tsis sib xws raug tso cai. Discoloration thiab ntxhia streaks raug tso cai, uas tsis cuam tshuam rau kev siv yooj yim.
Cov ntsiab lus noo noo Kev tswj nruj me ntsis hauv qab 12%, feem ntau khaws cia ntawm 8% - 12%, kom ntseeg tau tias lub rooj tsavxwm tsis yooj yim rau warp lossis tawg thaum siv. Ib yam li Qib A, cov dej noo yuav tsum tsis pub tshaj 12%, uas ua tau raws li qhov yuav tsum tau ua kom qhuav ntawm cov ntoo panels. Raws li qib A thiab B, cov dej noo tsis siab tshaj 12% kom tsis txhob muaj teeb meem xws li pwm los ntawm cov dej noo ntau dhau.
Kev Ua Zoo Ob tog yog sanded smoothly tsis muaj xuab zeb vuag. Lub thickness ua tau raws li qhov yuav tsum tau ua, thiab tsuas yog ib qho me me qhov zoo thiab qhov tsis zoo ntawm qhov kev tso cai tau tso cai. Cov ntiv tes thiab cov seams yog nruj, tsis muaj degumming los yog tawg. Sab pem hauv ntej yog sanded smoothly, thiab lub thickness raws li tus qauv. Cov ntiv tes sib txuas thiab cov seams tsis muaj degumming los yog tawg, thiab tsis muaj qhov yuav tsum tau nruj me ntsis rau sanding rau sab nraub qaum. Lub thickness ua tau raws li tus qauv tsim. Sanding yuav muaj qhov tsis sib xws me ntsis tab sis tsis cuam tshuam rau kev teeb tsa thiab siv. Cov ntiv tes thiab cov seams tsis muaj degumming thiab tawg; me ntsis qhov tsis sib xws uas tsis cuam tshuam rau cov qauv kev ruaj ntseg tau txais.
Siv tau Scenarios Siab - cov rooj tog zaum kawg, cov khoom siv kho kom zoo nkauj sab hauv (xws li phab ntsa vaj huam sib luag, cov rooj zaum rooj tog zaum) thiab lwm lub sijhawm uas yuav tsum muaj siab rau cov tsos thiab zoo. Kev tsim cov rooj tog qub qub (xws li lub nraub qaum ntawm cov txee, cov khoom siv sab hauv), kho kom zoo nkauj pab pawg thiab lwm qhov chaw uas tsis pom qhov pom ntawm sab nraub qaum. Cov khoom siv rau kev tsim kho, ntim cov ntaub ntawv, cov phaj hauv qab ntawm qis - cov rooj tog zaum kawg thiab lwm yam xwm txheej uas tsuas yog tsom rau cov txheej txheem kev ua haujlwm thiab tsis muaj qhov yuav tsum tau ua kom pom.

Tsis tas li ntawd, qee cov ntawv sau ntxiv yuav tsum tau hais txog:

Thaum qee cov tuam txhab lag luam kos cov qhab nia ua ke xws li AA, AB, thiab CC, lawv xa mus rau kev sib xyaw ntawm ob sab ntawm pawg thawj coj.

Piv txwv li,AA txhais tau hais tias ob tog yog Qib A, thiabAB txhais tau hais tias sab pem hauv ntej yog Qib A thiab sab nraub qaum yog Qib B.

Rau Pine FJ ntoo boards siv nyob rau hauv tshwj xeeb scenarios (xws li load - bearing qhov chaw), ntxiv rau cov saum toj no tsos thiab ua cov qauv, cov qauv kev ua tau zoo ntsuas kuj yuav tsum tau ua raws li. Cov qauv tsim muaj peev xwm xa mus rau cov kev cai ntawm cov koom haum xws li Western Wood Products Association (WWPA).

Rau kev xa tawm - cov khoom taw qhia, yog tias lawv tau muab rau European thiab Asmeskas kev lag luam, lawv yuav tsum tau hloov kho kom haum raws li cov qauv hauv cheeb tsam xws li European tus qauv SS - EN 1611 - 1, tab sis cov saum toj no - tau hais txog kev muab qhab nia tseem yog cov ntsiab lus tseem ceeb.

 

Hauv qab no yog cov duab rau qee qhov teeb meem zoo.

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