MDF: ceev, yam ntxwv, daim ntawv thov, lus qhia

2024 Tus sau: Howard Calhoun | [email protected]. Kawg hloov kho: 2023-12-17 10:28

Fibreboard tsis ntev los no ua kev zoo siab rau nws 50th hnub tseem ceeb. Thaum lub sij hawm no, nws tau pom tseeb tias qhov zoo ntawm MDF tsis tuaj yeem muab piv nrog cov ntsej muag nrog lwm cov ntaub ntawv. Rau ib nrab xyoo pua, manufacturers tau tswj los txhim kho cov khoom no. Niaj hnub no nws yog tsim nyob rau hauv daim ntawv ntawm panels thiab nplooj ntawv. Los ntawm lawv koj tuaj yeem ua cov rooj tog zaum, qhov rooj, thiab veneer txhua qhov chaw.

Khoom ntom ntom

Fibreboard yog tsim los ntawm cov sawdust zoo. Cov phaj yog tsim los ntawm cov ntoo puag ncig thiab nws cov khoom pov tseg. Thaum lub sij hawm tsim khoom, cov khoom siv raw yog hauv av thiab raug rau kev kho cua kub siab. Cov khoom siv frayed yog qhuav thiab xa mus rau gluing thiab nias.

Qhov ceev ntawm MDF kg ib m3 yog nyob rau nruab nrab ntawm 600 mus rau 850. Cov nqi no tuaj yeem ntau dua lossis tsawg dua. Ua ntej yuav khoom, nws yog ib qho tsim nyog los txiav txim siab qhov no. Qhov zoo nyob ntawm qhov ntsuas no, thaum hom ntoo tsis ua lub luag haujlwm tshwj xeeb. Lub tswv yim ntawm qhov ntom ntom yog ib qho scalar lub cev kom muaj nuj nqis txhais los ntawm qhov sib pivhnyav rau ntim. Qhov ntom ntawm MDF lub rooj tsavxwm tuaj yeem sib txawv, yog li cov khoom siv no tau muab faib ua pawg thiab luv luv li LDF thiab HDF.

thawj daim ntawv yuav tsum nkag siab tias "tsawg ceev particle board". Qhov ntsuas no txawv ntawm 200 txog 600 kg/m³. Qhov thib 2 ntawm ntau yam hais txog yog lub rooj tsav xwm siab ceev. Qhov ntsuas no tuaj yeem tshaj 800 kg/m^{3. Siab thiab yuav luag ib txwm hardness yog muaj los ntawm cov khaubncaws sab nraud povtseg ntawm cov khoom, lub thickness yog 1 hli. Kev sib sib zog nqus zuj zus los ntawm ib nrab.}

Yog tias koj nqa tawm milling raws txheej thiab qhib cov khoom los ntawm sab hauv, koj tuaj yeem paub tseeb tias nrog kev txo qis, cov fibers tsis txuas rau ib leeg. Thaum ua cov phaj uas nyob ze rau LDF, fibers uas tsis muaj zog sib txuas rau ib leeg tev tawm ntawm qhov tob txaus. Vim li no, irregularities tshwm nyob rau hauv tiav. Txhawm rau kho qhov xwm txheej, kev ua haujlwm ntxiv yog ua los ntawm kev sib tsoo thiab thermal dov. Qhov no yuav ua rau cov nqi ntxiv thiab nce nqi ntawm MDF.

yam ntxwv thiab kev siv cov khoom siv nruab nrab

MDF qhov ceev txawv ntawm 600 txog 1000 kg / m 3. Cov khoom khi ntawm no yog carbamide resins hloov nrog melamine. Qhov no lav qhov tsis tshua muaj formaldehyde emission, uas tuaj yeem muab piv nrog cov emission ntawm ntuj ntoo. Formaldehyde emission chav kawm - E1.

Thaum lub sijhawm tsim khoom, cov khoom siv raw tau muab cov khoom tshwj xeeb, uas yog:

• dej resistant;
• biological stability;
• nplaim hluav taws.

Medium-density MDF yog siv hauv kev tsim cov rooj tog, nrog rau kev kho kom zoo nkauj sab hauv. Nyob rau hauv rooj plaub tom kawg, peb tab tom tham txog kev tsim cov vaj huam sib luag kev lag luam thiab cov phab ntsa vaj huam sib luag, nrog rau kev tso laminated flooring. MDF yog qhov tsim nyog rau kev tsim cov khoom siv hais lus, vim tias cov khoom muaj cov qauv zoo sib xws thiab nqus suab zoo. Nws yog ib qho yooj yim ua tiav thiab siv tau rau hauv kev tsim khoom, tshwj xeeb, facades nrog carved ntsiab.

Cov khoom siv tau yooj yim rau tshuab thiab tsis tso cov chips, ua rau nws zoo tagnrho rau kev tsim cov qhov nkhaus, cov duab thiab cov dav hlau sib txawv ntawm qhov sib txawv. MDF yog siv dav hauv kev tsim cov thawv khoom plig thiab ntim khoom.

Cov khoom siv siab thiab nws daim ntawv thov

High density MDF zoo ib yam li cov khoom siv qis thiab nruab nrab. Cov khoom no muaj lub zog siab, yog li nws muaj kev ntseeg siab dua. Tus qauv thickness yog 4 hli. Cov phiaj xwm no yog siv los ua kom tiav cov hom phiaj hauv qab no:

• wall alignment;
• pem teb;
• tsim cov qhov rooj sab hauv;
• tsheb tsev;
• thaum lub tsheb sab hauv;
• tsim khoom lag luam thiab cov khoom siv nthuav tawm;
• zais kev sib txuas lus yog tias tsim nyog.

Specifications

Qhov ntom ntawm MDF 16 hli yog 780 kg / m 3. Tab sis qhov no feature tsis yog tib qho uaskoj yuav tsum paub. Piv txwv li, ib qho tseem ceeb feature yog lub peev xwm tiv taus siab tshaj 15 MPa rau cov laug cam nrog nruab nrab hardness. Lwm qhov zoo dua yog tiv thaiv kab mob thiab kab mob microbes. Koj tuaj yeem xav txog cov dej noo ntawm cov khoom, uas txawv ntawm 3 mus rau 10%. Modulus ntawm elasticity yog 1700 MPa. Tensile zog yog 17-23 MPa.

Formaldehyde cov ntsiab lus tuaj yeem tsawg dua lossis sib npaug li 8. Cov duab no nyob ntawm qhov tuab thiab qhov ntev ntawm cov nplooj ntawv, nrog rau lawv cov muaj pes tsawg leeg. Qhov ceev ntawm MDF 19 mm yog 750 kg / m 3. Qhov no muaj tseeb rau cov khoom siv hom Kronopol. Lub thickness ntawm cov nplooj ntawv yuav txawv ntawm 5 mus rau 25 mm. Yog tias lawv muaj vaj huam sib luag tsim, ces lawv tuaj yeem yog:

• leaf;
• type-setting;
• rack.

Cov tom kawg yog 10 cm boards, qhov dav ntawm qhov txawv ntawm 11 txog 29 centimeters. Qhov ntev yog 4 m. Qhov tsawg kawg nkaus ntev yog 2 m. High-density MDF tuaj yeem sawv cev los ntawm pawg square panels, qhov ntev ntawm qhov sib txawv ntawm 29 txog 95 cm. Cov khoom siv no yog tsim los tsim cov qauv mosaic ntawm qhov chaw..

Raws li rau daim ntawv version, xws li MDF tuaj yeem muaj qhov ntev ntawm 1.2 txog 2.5 m. Qhov ntom ntawm MDF tsis yog qhov tseem ceeb tshaj qhov sib xyaw ntawm cov khoom, uas tuaj yeem muaj ntau dua 90% sawdust. Qhov seem 10% yog formaldehydes thiab resins. Cov khoom muaj feem ntau ntawm kev tawg. Qhov no yog vim lub fact tias cov panels tsis yog ua los ntawm cov khoom ntoo. Tsis muaj nyob rau hauvtshuaj muaj phom sij rau tib neeg txoj sia.

txoj lus qhia

Thaum koj twb paub qhov ntom ntawm MDF, koj tuaj yeem kawm cov lus qhia rau kev txiav cov khoom. Nws yog qhov zoo tshaj plaws los yuav cov khoom lag luam nrog qhov ntau thiab tsawg thiab nrog lub Hoobkas ua. Yog tias muaj kev xav tau los ua cov sawing, nws yog qhov zoo dua los tso siab rau cov kws tshaj lij. Hauv qhov no, siv cov tshuab txiav tshwj xeeb.

Craftsmen paub tias workpieces yog stacked upside down yog txiav yog nqa tawm ntawm lub tshuab. Thaum pib lub saw, qhov txav ntawm daim hlau yuav tsum tau nce thiab du. Cov hniav yog immersed los ntawm 1 mm. Kev txiav kom raug tso cai rau koj kom tau txais qhov tseeb workpieces nyob rau hauv txoj cai qhov ntev. Cov txheej txheem no yog siv zog ua haujlwm, tab sis tsim cov khoom ua rooj tog thiab qhov rooj.

Txoj kev siv MDF

MDF yog qhov zoo rau kev teeb tsa ntawm ntau qhov chaw. Txhawm rau ua tiav txoj haujlwm, koj yuav tsum npaj:

• xaum;
• theem tsev;
• kaum rau kos lub kaum sab xis;
• hacksaw;
• screwdriver;
• perforator;
• rauj;
• screws;
• dub.

Nws yog ib qho tsim nyog los pib ua haujlwm los ntawm kev ntxuav qhov chaw uas yuav ua kom nrawm nrawm. Lub hauv paus yog ntxuav ntawm av thiab hmoov av. Nws yog ib qho tsim nyog yuav tsum tau ua tib zoo tshuaj xyuas cov khoom siv rau pwm thiab fungus. Yog tias koj npaj yuav ua lub qab nthab los ntawm MDF, koj yuav xav tau cov lus qhia, ntoo thaiv thiab ncua kev kawm. Cov tuav yuav ua haujlwmtransverse ncej qhov chaw.

Tab sis yog tias koj npaj yuav txuas cov vaj huam sib luag rau ntawm phab ntsa, yuav muaj cov ntoo lossis cov khoom yas txaus. Txhawm rau ua kom cov txheej txheem mounting yooj yim dua, koj yuav tsum siv cov clamps. Qhov no yuav ua rau nws tuaj yeem txhim kho ib feem ntawm txheej txheej ntawm lub crate, ua kom yooj yim rau txoj haujlwm. Qhov teeb meem tseem ceeb nyob hauv kev ua cov cim raug rau lub crate, uas yuav tso cai rau koj kho cov ntsiab lus.

Ua-Nws-Koj Tus Kheej Xim Cov Lus Qhia

MDF boards yog qhov zoo rau cov rooj tog hauv chav ua noj thiab siv los ua lwm yam yas. Koj tuaj yeem yuav chav ua noj ua los ntawm MDF nrog cov duab luam ntawv, tab sis yog tias nyiaj txiag tsis tso cai, koj tuaj yeem pleev xim rau saum npoo ntawm lub phaj hauv cov xim uas koj nyiam. Hauv qhov no, koj yuav tsum ua raws li qee qhov algorithm ntawm kev ua. Thaum thawj theem, qhov saum npoo tau zoo ntxuav, ntxuav thiab xuab zeb.

Tom qab ntawd koj yuav tsum tau so nrog cov kuab tshuaj. Cov primer nyob rau theem tom ntej yog siv rau hauv 2 txheej nrog so kom qhuav. Siv txhuam los yog zais pa, ib txheej xim yog siv rau saum npoo. Koj tuaj yeem siv rab phom tsuag, nws yuav raug nqi ntau dua, tab sis qhov tshwm sim yuav zoo dua. Tom qab cov xim tau qhuav lawm, koj tuaj yeem thov ib txheej ntawm cov kua roj vanish rau saum, uas yuav muab cov khoom ci thiab ua haujlwm tiv thaiv.

Cov lus pom zoo rau kev xaiv cov khoom

Raws li rau cov ntaub ntawv siv hauv kev ua MDF, nws yog qhov zoo dua los xaiv qhov sib xyaw ua ke raws li polyurethane, uas suav nrog dej, ua cov primer. Txoj kev no koj tuaj yeem nkaum cov qauv ntawm cov slab. Nws yog qhov zoo dua yog tias muaj pes tsawg leeg nyob hauvua tau. Rau kev pleev xim, nws yog qhov zoo tshaj plaws los siv cov xim acrylic lossis polyurethane enamel rau MDF. Ib qho tseem ceeb ntawm qhov kev xaiv thib 2 yog qhov tsis muaj ntxhiab tsw. Nws raug nquahu kom siv cov kua roj vanish polyurethane rau saum lub tsho loj. Koj tuaj yeem xaiv matte lossis glossy version.

Nyob hauv kaw

Qhov ntom ntawm MDF yog ib qho ntawm cov cim tseem ceeb ntawm cov khoom no. Nws yuav tsum tau xaiv nyob ntawm seb cov dej num. Nws yog ib qho tsim nyog yuav tsum tau ua tib zoo saib xyuas cov khoom siv thaum lub sijhawm teeb tsa, vim tias nws zoo li tawg. Qhov no yog vim lub fact tias lub hauv paus yog ntoo chips. Nws tuaj yeem raug nias nrog qhov sib txawv ntawm cov khoom sib txawv. Qhov no yuav tsum tau coj mus rau hauv tus account thaum sawing, vim hais tias txwv tsis pub cov khoom yuav kis tau tus ntug tsis sib xws, crumble thiab poob nws cov tsos. Tsis tas li ntawd, cov dej noo tuaj yeem raug rau ntawm cov nplais los ntawm cov ntug rawg.