2024 Tus sau: Beatrice Philips | [email protected]. Kawg hloov kho: 2024-01-18 12:13
Muaj ntau ntau yam ntawm plywood, thiab ib qho ntawm cov neeg nyiam tshaj plaws ntawm lawv yog coniferous. Qhov no yog lwm txoj hauv kev zoo rau cov ntoo ntoo, sib piv nrog nws raws li tus nqi. Cov khoom siv plywood muaj ntau txheej txheej, lawv tau tsim raws li GOST 3916-96.
Nws yog dab tsi?
Cov ntoo plywood coniferous yog qhov xav tau zoo; nws tau siv tshuaj lom neeg txhawm rau txhawm rau txhim kho nws cov khoom qub . Peeling tshuab yog siv rau kev tsim khoom, qhov tseem ceeb ntawm qhov uas yog ua kom lub cav txias thiab pub lawv rau lub tshuab tev tawm rau kev tsim cov veneer.
Los ntawm cov ntawv uas tau txais, cov ntawv plywood tau tsim los ntawm gluing thiab nias.
Lub ntsiab zoo ntawm softwood plywood
- Tsis pom kev zoo . Cov ntoo coniferous muaj qhov tsis xws luag, tsis muaj cov pob thiab khoov rau lawv, uas muaj ntau ntawm cov ntoo ntoo.
- Resinous qauv … Cov ntoo Spruce muaj ntau cov cob, uas ua rau nws tiv taus cov av noo ntau. Vim tias muaj cov resins ntuj, nws tsis muaj kev puas tsuaj los ntawm kab thiab kab mob, thiab muaj cov tshuaj tua kab mob.
- Yooj Yim … Cov koob tsis ntom nyob rau hauv kev sib piv nrog hom ntoo nyuaj. Qhov sib txawv ntawm qhov hnyav nce mus txog kwv yees li 30%.
- Tus nqi pheej yig . Hardwood counterparts yog kim dua.
Xws li plywood kuj muaj qhov tsis zoo, tab sis tsis muaj ntau ntawm lawv
- Tsawg ntom thiab qhov hnyav ntawm cov ntoo plywood Yog qhov tsim nyog ntawm cov qauv tsis muaj zog. Cov khoom zoo li no tsis tshua ruaj khov thiab tiv taus hnav. Nrog tib qho kev sib xyaw ntawm kev kho tshuaj, qhov sib txawv yog qhov tseem ceeb heev.
- Hauv cov xwm txheej uas cov yam ntxwv muaj zog yog qhov muaj feem thib, tsis pom zoo siv coniferous analogs .… Qhov siab siab ntawm cov khoom siv ntuj tsim ua rau qhov tseeb tias, nrog rau lub sijhawm ua kom sov sov, cov tshuaj pib pib sib xyaw rau saum npoo.
Yam ntxwv
Coniferous plywood nrog qhov ntev 2440x1220x21 mm yog qhov xav tau ntau tshaj. Rau nws cov khoom siv, spruce lossis ntoo thuv yog siv. Kev npaj cov veneer txheej yog qhov tshwj xeeb - cov fibers tau sib dhos ib leeg.
Cov yam ntxwv tseem ceeb ntawm plywood softwood yog tus nqi pheej yig thiab hnyav . Cov khoom tuaj yeem tiv taus qhov kub thiab txias thiab tiv taus ya raws.
Hom ntoo plywood no yooj yim rau txheej txheem, nws tuaj yeem pom thiab nqus, nws muaj peev xwm nqus tau suab nrov, thiab ua haujlwm ua txheej txheej cua sov.
Impregnation nrog cov roj hmab ntuj ua rau cov khoom tiv taus pwm thiab mildew. Nws tiv taus ib puag ncig txhoj puab heev.
Cov qauv ntoo uas tshwm sim ua rau plywood zoo nkauj zoo nkauj.
Nyiaj muas
Qhov zoo ntawm plywood yog txiav txim siab ntau los ntawm cov nplaum siv los ua raws cov txheej txheej veneer. Raws li qhov no, ntau lub npe ntawm cov khoom siv plywood yog qhov txawv.
- FBA tau txiav txim siab qis tshaj plaws, nws tau tsim los siv albumin casein kua nplaum. Xws li plywood yog ib puag ncig zoo, tab sis nws tsis zam cov dej noo zoo. Siv nws tsuas yog qhov muaj kev tiv thaiv tiv thaiv kev sib cuag nrog dej.
- FSF Puas yog lub npe xav tau tshaj plaws ua nrog cov kua nplaum phenol-formaldehyde. Qhov no yog plywood tiv taus ya raws nrog cov yam ntxwv zoo lub zog.
- Qhov sib txawv tseem ceeb ntawm FSF-TV hom thiab FSF muaj nyob rau hauv impregnation nrog hluav taws kub retardants. Spruce plywood ntawm hom no yog tus yam ntxwv uas tsis kub hnyiab.
- FC tau tsim los siv cov kua nplaum urea, uas ua rau kom cov hygroscopicity ntawm cov khoom siv. Lawv tau siv rau kev tsim khoom ntawm rooj tog khoom, ntim khoom.
- FB yog cov plywood tiv taus ya raws uas tsis raug rau ib puag ncig txhoj puab heev. Nws siv tau txawm tias nyob hauv dej. Cov txheej tau txuas nrog bakelite kua nplaum thiab pleev xim nrog cov kua roj vanish zoo ib yam.
FSF spruce plywood tau nquag siv hauv kev tsim vaj tsev thiab chaw tsim khoom. Nws tau txais nws qhov kev tiv thaiv kom tsis txhob ya raws vim kev kho cov veneer nrog cov dej tsis zoo soluble formaldehyde. Cov khaubncaws sab nraud povtseg txheej txheej uas tsis tau muab pov tseg raug xa hauv qab lub tshuab nias ntawm qhov kub siab.
GOST tso cai rau kev sib sau ua ke ntawm me me ntawm formaldehyde resins thiab phenolic compounds . Qhov no nyuaj rau kev siv cov ntawv plywood hauv kev kho kom zoo nkauj sab hauv.
Plywood muaj txheej txheem txheem, ntawv tuab yog 4-30 hli.
Sib piv nrog lwm yam
Qhov sib txawv tseem ceeb ntawm plywood coniferous thiab ntoo plywood yog nws lub zog yam ntxwv thiab tsos . Nws nyuaj rau muab cov lus teb tsis meej uas cov ntaub ntawv twg zoo dua. Ntau nyob ntawm lub hom phiaj ntawm nws daim ntawv thov.
Yog tias lub zog yog qhov muaj feem thib, tom qab ntawd nws yog qhov zoo dua los xaiv cov ntoo plywood .… Nws yog kwv yees li 20-25% muaj zog hauv kev sib piv nrog coniferous, tab sis kuj hnyav dua. Birch ntau yam yog siv qhov xav tau kev ntseeg siab ntxiv.
Birch veneer muaj lub teeb ntxoov ntxoo thiab nthuav qhia me ntsis kev ntxhib los mos. Qhov sib txawv ntawm coniferous, ntawm qhov tod tes, yog qhov tsaus dua thiab muaj cov qauv zoo nkauj, tau piav qhia zoo.
Spruce plywood, vim nws tus nqi ywj pheej, feem ntau siv rau phab ntsa cladding . Yog tias cov av noo siab nyob hauv qhov chaw ntawm nws daim ntawv thov, FC hom yuav tsum raug xaiv. Kev siv cov khoom siv no kuj yog qhov ncaj ncees hauv cov xwm txheej uas kev zoo nkauj tseem ceeb.
Cov ntawv thov
Nws raug nquahu kom siv plywood los ntawm cov koob hauv qhov xwm txheej ntawm cov av noo siab, txij li nws tau muab cais ua cov dej noo tiv taus, nws tsis muaj kev cuam tshuam rau kev hloov pauv.
Bee hives tau ua los ntawm cov khoom siv ntawd (hauv qhov xwm txheej ntawd, FBA hom tau siv, uas yog ib puag ncig zoo).
Kev tiv thaiv ya raws tso cai rau plywood siv los ua cov substrate thaum tso cov laminate lossis parquet boards. Nws pab txhawb rau kev tsim cov cua sov uas ntseeg tau zoo, tiv thaiv cov txheej txheem rotting nyob rau hauv kev cuam tshuam ntawm ya raws.
Txawm hais tias nws lub zog qis, nws tuaj yeem siv rau decking hauv qab lub ru tsev - nrog rau kev faib tawm txawm tias lub nra nyob thoob plaws thaj chaw, qhov xwm txheej no tsis ua lub luag haujlwm tseem ceeb.
Cov ntoo plywood coniferous tau siv los ua vaj tsev ntoo; nws ua haujlwm tiv thaiv cua sov thiab tiv thaiv kab tsuag thiab pwm.
Tus nqi pheej yig tso cai rau koj siv cov khoom no rau kev tsim khoom ntim khoom, thaum ua haujlwm hnyav (nrog rau kev zam tshwj xeeb) Hauv cov xwm txheej zoo li no, lub zog yam ntxwv tsis yog qhov tseem ceeb, tab sis cov nqi raug txo qis.
Spruce plywood ntawm FSB hom yog siv rau cov khoom sib tsoo, siv hauv kev tsim cov tsev tsim ib ntus, nws ua haujlwm li raw khoom rau kev tsim khoom ntawm lwm cov ntaub ntawv.
Pom zoo:
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