2024 Tus sau: Beatrice Philips | [email protected]. Kawg hloov kho: 2024-01-15 04:12
Kab lus no muaj txhua yam koj xav paub txog 9 hli OSB cov ntawv, lawv tus qauv loj thiab hnyav. Qhov loj ntawm 1 daim ntawv ntawm cov khoom yog tus yam ntxwv. Cov ntawv 1250 los ntawm 2500 thiab 2440x1220 tau piav qhia, qhov tsim nyog tus kheej tapping screws rau lawv thiab thaj chaw sib cuag, uas yog ib txwm rau 1 tus kheej tapping ntsia hlau.
Qhov zoo thiab qhov tsis zoo
OSB, los yog taw qhia pawg thawj coj saib, yog ib hom khoom siv ntau lub tsev tsim los ntawm cov ntoo. Txhawm rau kom tau nws, cov ntoo ntoo raug nias. Feem ntau, OSB, tsis hais txog hom kev tshwj xeeb, muaj cov yam ntxwv tseem ceeb hauv qab no:
- siv sijhawm ntev - raug rau qhov nruj txaus;
- tsawg heev o thiab delamination (yog siv cov khoom siv raw zoo);
- nce kev tiv thaiv kab mob lom;
- yooj yim ntawm kev teeb tsa thiab qhov tseeb ntawm cov ntsuas ntsuas tshwj xeeb;
- kev tsim nyog rau kev ua haujlwm ntawm cov npoo tsis sib xws;
- kev pom zoo tus nqi thiab cov txiaj ntsig zoo.
Tab sis tib lub sijhawm OSB cov ntawv yog 9 hli:
- yog tias qhov nruj nruj tau tawg, lawv yuav nqus dej thiab swell;
- vim yog cov ntsiab lus ntawm formaldehyde, lawv tsis muaj kev nyab xeeb, tshwj xeeb tshaj yog nyob hauv qhov chaw ib puag ncig;
- kuj muaj phenols txaus ntshai heev;
- qee zaum tsim los ntawm cov tuam ntxhab uas tsis ua raws li cov kev txwv ntawm qhov siab ntawm cov tshuaj phem.
Cov yam ntxwv tseem ceeb
Qhov sib txawv ntawm cov yam ntxwv no yog ua raws li cov chav kawm txuj ci ntawm cov nplais qhia. Tab sis txhua tus ntawm lawv, ib txoj kev lossis lwm qhov, tau tsim los ntawm cov plaub hau sau hauv ob peb txheej. Kev taw qhia tsuas yog ua hauv cov txheej tshwj xeeb, tab sis tsis yog nruab nrab ntawm lawv . Kev taw qhia nyob rau hauv ntu ntu thiab ntu ntu tsis meej txaus, uas cuam tshuam nrog lub hom phiaj nuances ntawm thev naus laus zis. Thiab tseem, feem ntau qhov loj me ntawm cov plaub hau tau qhia meej, raws li qhov ua rau muaj kev nruj thiab lub zog hauv ib lub dav hlau tau ua tiav.
Cov kev xav tau tseem ceeb rau cov lus qhia ntxaws tau teev tseg los ntawm GOST 32567, uas tau siv txij li xyoo 2013. Feem ntau, nws rov tsim cov npe ntawm cov lus tau hais los ntawm tus txheej txheem hla tebchaws EN 300: 2006.
Pawg OSB-1 suav nrog cov khoom siv uas tsis tuaj yeem siv rau qhov nqa cov kabmob ntawm cov qauv . Nws kuj tiv taus ya raws kuj tsawg heev. Cov khoom zoo li no tsuas yog siv rau chav qhuav heev; tab sis muaj lawv ua ntej ntawm ob lub cement-bonded particleboard thiab plasterboard.
OSB-2 yog tawv thiab muaj zog dua . Nws twb tuaj yeem siv los ua lub luag haujlwm thauj khoom rau theem ob, ua haujlwm hnyav me ntsis. Tab sis kev tiv thaiv kom noo tseem tsis tso cai siv cov khoom siv sab nraum zoov thiab hauv chav ntub.
Raws li OSB-3 , tom qab ntawd nws tshaj OSB-2 tsuas yog tiv thaiv kev ya raws. Lawv cov khoom siv tsis zoo yuav luag zoo ib yam lossis txawv ntawm tus nqi uas tsis tsim nyog siv hauv kev xyaum.
OSB-4 siv , yog tias koj xav tau muab cov yam ntxwv siab heev ob qho tib si hais txog lub zog thiab kev tiv thaiv los ntawm dej.
Ib daim ntawv zoo uas muaj tuab li 9 hli tuaj yeem tiv qhov hnyav yam tsawg 100 kg . Ntxiv mus, yam tsis tau hloov pauv cov duab geometric thiab ua rau cov neeg siv khoom tsis zoo. Yog xav paub ntxiv, saib cov ntaub ntawv tsim khoom. Rau kev siv sab hauv tsev, 9 hli feem ntau yog txaus. Cov khoom siv tuab yog siv rau sab nrauv kho kom zoo nkauj lossis txhawb nqa cov qauv.
Ib qho tseem ceeb ntsuas yog thermal conductivity . Nws yog 0.13 W / mK rau OSB-3. Feem ntau, rau OSB, qhov ntsuas no tau muab sib npaug rau 0.15 W / mK. Tib thermal conductivity ntawm phab ntsa ntub dej; nthuav av nplaum tso cai kom sov tsawg dhau, thiab plywood me ntsis ntxiv.
Ib qho tseem ceeb heev rau kev xaiv OSB cov ntawv yog qhov ua kom muaj formaldehyde. Nws tuaj yeem ua tau yam tsis muaj nws hauv kev tsim cov khoom lag luam, tab sis lwm txoj hauv kev ruaj ntseg nplaum yog kim heev lossis tsis muab lub zog xav tau . Yog li, qhov ntsuas tseem ceeb yog kev tso tawm ntawm cov formaldehyde heev. Qhov zoo tshaj plaws hauv chav kawm E0, 5 cuam tshuam tias cov tshuaj lom hauv cov khoom tsis ntau dua 40 mg rau 1 kg ntawm lub rooj tsavxwm. Qhov tseem ceeb, huab cua yuav tsum tsis muaj ntau dua 0.08 mg ntawm formaldehyde ib 1 m3.
Lwm qhov kev tso tawm yog E1 - 80 mg / kg, 0, 124 mg / m3; E2 - 300 mg / kg, 1.25 mg / m3 . Txawm hais tias yog koom nrog pab pawg tshwj xeeb, cov tshuaj lom hauv ib hnub yuav tsum tsis pub ntau tshaj 0.01 mg rau 1 m3 ntawm huab cua hauv thaj chaw nyob. Coj mus rau hauv tus account qhov xav tau no, txawm tias muaj kev tiv thaiv zoo raws li E0, 5 tso tawm ntau yam tshuaj phem. Yog li ntawd, nws tsis tuaj yeem siv los kho chav nyob uas tsis muaj qhov cua nkag txaus. Nws yog ib qho tsim nyog yuav tau them nyiaj mloog rau lwm yam khoom tseem ceeb.
Qhov ntev thiab qhov hnyav
Tsis tas yuav tham txog tus qauv qhov ntev ntawm daim ntawv OSB nrog tuab li 9 hli. Cov kev xav tau tsim nyog tsis tau teev tseg hauv GOST. Txawm li cas los xij, feem ntau ntawm cov tuam ntxhab tseem muab cov khoom lag luam no nrog ntau lossis tsawg qhov xaj xaj. Feem ntau yog:
1250x2500;
1200x2400
590x2440 ib.
Tab sis koj tuaj yeem yuam kom yooj yim daim ntawv OSB nrog tuab ntawm 9 hli nrog lwm qhov ntsuas hauv qhov dav thiab ntev. Yuav luag txhua lub chaw tsim khoom tuaj yeem muab cov khoom siv ntev txog 7 m. Qhov hnyav ntawm ib daim ntawv yog txiav txim siab los ntawm qhov tuab thiab qhov ntev. Rau OSB-1 thiab OSB-4, lub ntiajteb txawj nqus tshwj xeeb zoo ib yam, qhov tseeb dua, nws tau txiav txim siab los ntawm cov thev naus laus zis thiab cov yam ntxwv ntawm cov khoom siv raw. Nws txawv ntawm 600 txog 700 kg rau 1 cu. m.
Yog li kev suav tsis yog qhov nyuaj txhua. Yog tias peb siv cov nplais nrog qhov ntev ntawm 2440x1220 mm, tom qab ntawd nws thaj tsam yuav yog 2.9768 "squares ". Thiab cov ntawv no hnyav 17, 4 kg. Nrog qhov loj dua - 2500x1250 mm - qhov hnyav nce mus rau 18, 3 kg, feem. Txhua qhov no tau suav los ntawm kev xav ntawm qhov nruab nrab ntom ntom ntawm 650 kg rau 1 cubic meter. m; kev suav kom raug ntau ntxiv suav nrog kev suav qhov tseeb ntawm cov khoom.
Cov ntawv thov
Oriented 9 mm slabs tau siv raws li pawg:
OSB-1 tsuas yog siv hauv kev lag luam rooj tog;
OSB-2 xav tau rau chav uas muaj cov av noo ib txwm thaum ua kom muaj cov txheej txheem nqa khoom
OSB-3 tuaj yeem siv tau txawm tias sab nraum, tiv thaiv kev tiv thaiv tiv thaiv yam tsis zoo;
OSB-4 yog cov khoom siv yuav luag thoob plaws ntiaj teb uas tuaj yeem muaj kev sib cuag nrog huab cua nyob ib puag ncig tau ntev yam tsis muaj kev tiv thaiv ntxiv (txawm li cas los xij, cov khoom lag luam no kim dua li cov phaj qub)
Cov lus qhia kev teeb tsa
Tab sis yooj yim xaiv pawg raug cai ntawm cov khoom taw qhia tsis txaus. Peb tseem yuav tau txiav txim siab yuav kho lawv li cas. Kev kho rau pob zeb lossis cib feem ntau yog ua tiav siv:
- kua nplaum tshwj xeeb;
- dowels;
- ntswj ntsia hlau nrog qhov ntev ntawm 4, 5-5 cm.
Kev xaiv nyob rau hauv ib rooj plaub tshwj xeeb yog txiav txim siab los ntawm lub xeev ntawm qhov chaw. Ntawm ib qho txaus txaus substrate, txawm tias nws yog cov pob zeb ua ke, cov ntawv tuaj yeem yooj yim lo. Ib qho ntxiv, qhov ntsuas huab cua tau muab coj los rau hauv tus account. Yog li, thaum ua haujlwm ntawm lub ru tsev, OSB feem ntau raug ntsia nrog ntiv tes ntiv tes. Qhov no ua rau nws tuaj yeem them nyiaj rau lub zog muaj zog tsim los ntawm cua thiab daus.
Tseem, neeg feem coob xaiv siv cov ntsia hlau nws tus kheej tapping. Nws yuav tsum nco ntsoov tias lawv yuav tsum:
- yuav tsum paub qhov txawv los ntawm lub zog siab;
- muaj lub taub hau taub hau;
- yuav tsum tau nruab nrog lub ntsis zoo li lub taub;
- npog nrog kev ntseeg tau los tiv thaiv corrosion txheej.
Lawv yeej ua tib zoo saib xyuas qhov ntsuas no raws li qhov tso cai thauj khoom ntawm cov ntsia hlau . Yog li, yog tias koj yuav tsum dai ntu ntu uas hnyav tsis ntau tshaj 5 kg ntawm cov pob zeb, tom qab ntawd koj yuav tsum siv cov khoom 3x20. Tab sis qhov txuas ntawm slab uas hnyav 50 kg rau lub hauv paus ntoo tau ua nrog tus kheej tapping ntsia hlau tsawg kawg 6x60. Feem ntau, 1 sq. m ntawm qhov chaw, 30 ntsia hlau lossis tus kheej tapping ntsia hlau tau siv. Cov kauj ruam ntawm lub crate yog suav los ua tus lej, thiab tsuas yog tiv tauj nrog cov kws tshaj lij yuav pab txiav txim nws kom raug raws li qhov ua tau.
Tab sis feem ntau lawv sim ua cov kauj ruam ntau ntawm cov ntawv loj. Lub lathing tuaj yeem ua tau los ntawm lub hauv paus nrog ntu me me thiab slats . Lwm qhov kev xaiv cuam tshuam nrog kev siv ntoo lossis hlau profile. Nyob rau theem ntawm kev npaj, nyob rau hauv txhua rooj plaub, lub hauv paus yog ua ntej kom tshem tawm qhov tsos ntawm pwm. Nws tsis tuaj yeem nqa lub lathing yam tsis muaj cim, thiab tsuas yog qib laser muab kev ntseeg tau txaus ntawm qhov ntsuas.
Pom zoo:
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