2024 Tus sau: Beatrice Philips | [email protected]. Kawg hloov kho: 2023-12-16 05:41
Kev tsim kho raws li cov txheej txheem monolithic yog xav tau hauv ntau yam hauv lub neej. Cov thev naus laus zis no yog tsim los ntawm kev tsim cov txheej txheem siv cov ntawv tshwj xeeb thiab cov txheej txheem - cov qauv. Txog kev tsim cov ntawv tsim, cov neeg tsim khoom siv ntau yam khoom siv, tab sis plywood tau ua txoj haujlwm tseem ceeb rau ntau xyoo. Txawm hais tias qhov yooj yim ntawm kev tsim, kev saib xyuas tshwj xeeb yuav tsum tau them rau kev xaiv cov khoom siv rau kev ua haujlwm, qhov ua tau zoo tom qab txiav txim siab kev ntseeg tau thiab ua haujlwm ntev ntawm cov khoom, nrog rau qhov tseeb ntawm cov khoom siv ua vaj tsev. Hauv kab lus no, peb yuav tshuaj xyuas txhua yam hais txog kev ua plywood.
Peculiarities
Plywood rau formwork yog cov khoom siv hauv tsev uas hloov tsis tau uas yog siv rau kev tsim cov qauv tsim rau ob qho tib si kev tsim thiab kev tsim vaj tsev. Rau cov cuab yeej ntawm kev ua haujlwm ntawm lub hauv paus pob zeb, cov pob zeb hauv av, ntxiv rau txhawm rau phab ntsa, lawv tau tsim los ntawm ntau hom plywood. Cov kws tsim vaj tsev pom zoo kom them nyiaj rau cov hauv qab no qhov tsis lees paub qhov zoo ntawm cov qauv plywood qauv:
- qib siab ntawm kev tiv thaiv rau deformation;
- kev ntseeg tau;
- kav ntev;
- siv ntau yam;
- yooj yim ntawm kev teeb tsa thiab sib dhos ntawm cov qauv;
- tau txais cov tiaj tiaj tiaj yam tsis txuas ntu;
- tsis xav tau kev sib dhos ua ntej;
- qhov ua tau ntawm kev hloov pauv hloov pauv ncaj qha thaum txheej txheem teeb tsa.
Qhov ntau yam ntawm plywood formwork tseem nyob hauv nws cov khoom siv rov ua dua tshiab. Yog tias, tom qab ua tiav txhua txoj haujlwm tsim kho, cov qauv no tsis muaj txiaj ntsig ntxiv, tom qab ntawd nws tuaj yeem muag lossis siv los ua cov khoom siv rau kev tsim khoom ntawm cov vaj huam sib luag hauv pem teb lossis txheej qis ntawm txheej hauv pem teb.
Peb yuav tsum tsis txhob hnov qab txog qhov tsis txaus ntawm cov khoom, uas yog:
- qhov xav tau los nruab cov khoom siv txhua 50-100 cm;
- qhov xav tau kev tu kom huv thiab kom qhuav ntawm cov qauv tom qab ua haujlwm;
- yuav tsum khaws cia hauv chav qhuav thiab qhov cua.
Ntau yam
Txawm hais tias muaj ntau yam kev tsim plywood, tsis yog txhua yam ntawm nws hom siv rau kev tsim cov ntawv ua haujlwm. Cov kws tshaj lij pom zoo xaiv tsuas yog cov ntaub ntawv nrog kev txhim kho cov yam ntxwv ntawm lub duab plaub, tab sis nws yog qhov zoo dua los tsis kam ua ib puag ncig. Ib qho ntawm cov txheej txheem tseem ceeb tshaj plaws thaum xaiv plywood yog hom nplaum uas siv los ntawm cov chaw tsim khoom los koom nrog cov ntawv ntoo.
Hws noo resistant
Plywood, txheej uas tau nplaum nrog cov nplaum raws phenolic thiab formaldehyde resins, tiv taus ya raws thiab muaj qib siab tiv taus kom ya raws thiab qhov kub hloov pauv. Vim yog cov yam ntxwv zoo, cov qauv tsim los ntawm cov khoom siv no tuaj yeem rov siv tau txawm tias tsis zoo rau huab cua . Qhov tsis zoo - qib siab ntawm kev lom thiab tsis muaj peev xwm siv sab hauv tsev. Txhawm rau nce qib ntawm kev tiv thaiv kev puas tsuaj rau lub tshuab thiab tiv thaiv qhov pom ntawm daim tawv nqaij thiab kab nrib pleb, cov tuam txhab tsim khoom siv sib tsoo tshuab, uas tsis tsuas yog txhim kho qhov zoo nkauj zoo nkauj ntawm cov khoom, tab sis kuj ua rau nws nto zoo li ua tau.
Yas
Kev saib xyuas tshwj xeeb yuav tsum tau them rau hom tshiab ntawm cov ntawv plywood - yas. Cov khoom siv hauv tsev no yog ua los ntawm cov yas polymer, uas muaj qhov tshwj xeeb muaj pes tsawg leeg, tsim qauv thiab cov yam ntxwv zoo. Cov yam ntxwv sib txawv tseem ceeb yog muaj nyob ntawm ob sab zoo kawg nkaus thiab nruab nrab corrugated. Cov yam ntxwv no muab cov khoom qib siab tshaj plaws ntawm lub zog, qhov pom kev thiab ntseeg tau.
Qhov zoo yog raws li hauv qab no:
- Kev Nyab Xeeb Ib puag ncig;
- ntau qhov kub thiab txias;
- yooj yim ntawm kev saib xyuas thiab khaws cia;
- tus nqi pheej yig;
- xim ceev;
- qib siab tiv thaiv hluav taws, noo noo thiab tshuaj txhoj puab heev.
Qhov tsis zoo hauv qab no yuav tsum raug sau tseg:
- qhov nqaim;
- me me loj assortment.
Tseem ceeb! Qee cov tuam ntxhab tsim cov plywood, uas tsuas yog npog nrog yas, thiab raws li cov ntoo ntoo zoo tib yam. Qhov sib xyaw ua ke ntawm cov ntaub ntawv no tso cai rau txhim kho lub zog ntawm cov khoom, ntxiv rau kom nws cov nyiaj tau los los ntawm kaum ob zaug.
Laminated
Laminated plywood board yog ib qho kev txhim kho ntawm cov khoom siv tiv taus ya raws uas feem ntau yog siv rau kev tsim cov qauv. Feem ntau, cov tuam ntxhab siv cov ntawv ua los ntawm cov ntoo txiav ntoo rau lamination. Ib qho tshwj xeeb yog qhov muaj qhov ua kom du lossis corrugated nrog qhov ua kom tsis zoo.
Bakelized
Bakelized plywood, uas siv bakelite cob, muaj qib siab ntawm lub zog thiab tiv taus rau cov khoom puas. Qhov sib xyaw ua ke no tau los ntawm kev sib txuas phenol nrog formaldehyde, uas ua rau nws muaj peev xwm siv cov khoom siv hauv qhov huab cua tsis zoo tshaj plaws thiab nyob rau qhov xwm txheej ntawm qhov kub hloov pauv.
Yuav xaiv li cas?
Kev xaiv cov khoom siv rau kev ua haujlwm yog theem tseem ceeb ntawm kev npaj hauv kev tsim kho, uas yog qhov ua tau zoo ntawm kev ua haujlwm ntxiv. Hauv cov khw tsim kho tshwj xeeb koj tuaj yeem pom ntau yam plywood rau kev tsim los ntawm cov tuam txhab tsim khoom hauv tsev thiab txawv teb chaws. Cov kws tshaj lij pom zoo kom them sai sai rau cov khoom lag luam ntawm cov chaw tsim khoom hauv zos, uas tsis tsuas yog ua tau zoo, tab sis kuj tseem muaj tus nqi pheej yig.
Thaum xaiv cov ntaub ntawv no, cov kws tshaj lij pom zoo mloog zoo rau cov hauv qab no:
- tuab;
- qhov loj;
- qib;
- kev pauv;
- hom ntawm lub hauv paus.
Txawm hais tias muaj ntau qhov tuab ua, uas yog los ntawm 0.3 cm txog 4 cm, cov kws tshaj lij pom zoo kom them nyiaj rau cov khoom lag luam nrog tuab ntawm 18 mm txog 21 mm. Nws yog cov ntsuas no uas pom tau zoo tshaj plaws rau kev tsim cov ntaub ntawv rau ob qho kev tsim kho pej xeem thiab kev tsim khoom, vim tias lawv tuaj yeem tiv taus qhov siab ntawm kev ua vaj tse, thiab tseem muaj qhov me me, uas yooj yim heev rau txheej txheem kev thauj mus los thiab sib dhos ntawm cov qauv.. Cov khoom lag luam ntawm cov tuab no tseem muaj tus nqi pheej yig, uas txo qis kwv yees tus nqi.
Thaum xam tus nqi ntawm cov ntaub ntawv, ib tus yuav tsum tsis txhob hnov qab txog qhov ntau ntawm cov plywood los xij. Xav txog qhov ntsuas no, koj tuaj yeem zam qhov pom ntawm qhov tsis tsim nyog pov tseg thiab khawb. Cov txheej txheem feem ntau siv yog 1220x1220 mm, 1220x2440 mm, 1270x1525 mm . Qhov loj me me no nyob deb ntawm qhov ua tiav thiab suav nrog tus lej loj ntawm lwm qhov ntau thiab tsawg. Rau cov txheej txheem loj, cov neeg tsim khoom pom zoo yuav cov ntawv txheeb ntawm cov ntawv nthuav dav, uas yuav pab kom zam kev sib koom tes. Rau kev ua haujlwm ntawm qhov tsis yog tus qauv loj, cov ntawv tshwj xeeb ntawm cov ntawv xav tau tuaj yeem xaj.
Peb yuav tsum tsis txhob hnov qab txog hom khoom uas cuam tshuam nws lub zog thiab tus nqi ntau. Cov neeg tsim khoom tsim cov qib plywood ntxiv thiab plaub qib ntxiv. Rau kev ua haujlwm, cov ntaub ntawv ntawm qib thib ib thiab qib ob nrog qib siab ntawm lub zog thiab tus nqi qis yog qhov zoo tshaj plaws.
Thaum xaiv cov khoom siv plywood, koj yuav tsum tau them sai sai rau hom kev hauv paus, uas cov qauv tsim nyob ntawm. Kev suav qhov tseem ceeb rau cov kab txaij txaij hauv paus muaj raws li hauv qab no:
- ob npaug qhov loj ntawm qhov ib puag ncig ntawm tus qauv;
- lub tsev siab nrog rau nyiaj pab;
- tuab ntawm cov khoom siv.
Tseem ceeb! Los ntawm cov hauv paus ntsiab lus no, koj tuaj yeem suav qhov nyiaj ntawm cov khoom siv rau ib qho qauv tsim.
Qhov ntsuas ntsuas pauv yog qib ntawm kev ua tau zoo ntawm cov khoom, nrog rau cov lej uas nws siv tau. Tus nqi txav mus los nyob ntawm cov ntsuas hauv qab no:
- chaw tsim tshuaj paus;
- qhov zoo ntawm cov khoom siv raw;
- kev ua haujlwm zoo.
Txhawm rau nce kev ua haujlwm, cov kws tshaj lij pom zoo kom npog cov txheej txheem nrog cov roj tshwj xeeb (dub), uas zoo dua cais cov ntawv los ntawm cov pob zeb thiab tiv thaiv kom tsis txhob pom cov chips, tawg thiab tawg.
Kev tsim kho tsis yog tsuas yog qhov xwm txheej tsim nyog thiab txaus siab, tab sis kuj yog txheej txheem uas xav tau kev paub, kev paub thiab kev txawj ua haujlwm. Thaum tsim kho, yuav tsum tau them nyiaj tshwj xeeb rau kev tsim lub hauv paus, uas tom qab ntawd yuav dhau los ua kev txhawb nqa ntawm tag nrho cov qauv. Qhov zoo ntawm cov qauv no ncaj qha nyob ntawm daim ntawv siv, uas yuav tsum muaj kev ntseeg siab, tiv taus ya raws, thiab tseem ceeb tshaj, yuav tsum tsis muaj pob qij txha. Raws li cov khoom siv hauv paus, cov neeg tsim khoom siv ntau yam khoom siv, tab sis cov kws tshaj lij pom zoo kom ua cov ntaub ntawv los ntawm plywood, uas muaj ntau qhov zoo ntawm keeb kwm yav dhau los ntawm cov ntoo zoo tib yam.
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