Yuav ua li cas yog cav ntoo txiav?

Ib tug tsawg siv yuav ua tsis tau siv lub trim bar. Qhov no cav ntoo pom heev lug siv nyob rau hauv shipbuilding, ntoo siv thiab kho kom zoo nkauj. Qhov no cov ntaub ntawv uas yog ib tug ib-daim ntoo, trimmed rau tag nrho cov sab, muaj ib lub los yog square ntoo khaub lig seem thiab yog tsim los ntawm softwood (xws li ntoo thuv, spruce, fir, larch).

kev faib

Nyob ntawm seb qhov zoo tshaj ntawm txiav ntoo yog muab faib mus rau hauv tus thawj thiab thib ob qib:

• Thawj - nws yog kho ntoo uas tsis muaj tsuas thiab pob caus ntawd.
• Class II - ib yam khoom muaj tej yam tsis zoo.

Tsis tas li ntawd edged ntoo yuav ua tau qhuav los yog tej yam ntuj tso av noo. Qhuav khoom yog suav tias yog tseem ceeb dua, txij thaum tshuam thiaj li shrinkage ntawm tas cov vaj tse. Nyob rau hauv tas li ntawd, xws li ib tug cov ntaub ntawv uas yog khaub-ncaws nyias, yooj yim rau koj khiav lag luam thiab thauj, considerably tsawg raug rau cov tsim ntawm puab thiab putrefaction.

Lumber txiav thiaj yuav tiav nyob rau hauv ntau txoj kev:

• Kom - kiag qhuav thiab ua.
• Dvuhkantny - kho nrog longitudinally opposite ob sab.
• Trehkantny - muaj peb longitudinally-kho nto.
• Chetyrehkantny - ua rau tag nrho plaub longitudinal sab.

Cov feem nrov yog suav tias yog trehkantny xaiv vim hais tias nws tso cai rau koj los mus tsim txaus nyiam los ntawm ib tug zoo nkauj sab ntawm kev tsim kho nrog ib tug xis nto rau hniav finishing. Lub tsev nyob ua los ntawm tej ntoo, nyob rau hauv sab nraum zoo li tselnobrevenchatye thiab sab hauv phab ntsa yog tus, haum rau txhua yam ntawm finish.

Edged lumber: Qhov ntau thiab tsawg

Loj edged ntoo yuav ua tau raws li nram no:

• thickness - los ntawm 25 mus 200 mm;
• ntev - 3.6 m;
• dav nyob rau hauv lub chav 50 mus rau 250 hli.

Raws li GOST, dav thiab thickness ntawm lub Trim pas nrig yuav tsum tau muaj yam tsawg 100 hli. Tag nrho cov uas yog thinner, nws hu ua lub bar.

daim ntawv thov

Cav Ntoo - lub feem ntau hom ntoo, uas muaj ib tug heev ntau yam ntawm daim ntawv sau npe. Nws yog siv raws li ib tug yam ntxwv cov ntaub ntawv uas nyob rau hauv ntau yam ntoo designs. Nrog nws ua ua joists, cov phab ntsa, ntau yam vov tsev systems, thiab lwm yam Nyob rau hauv tas li ntawd, qhov no cav ntoo pom heev lug siv nyob rau hauv lub rooj tog kev lag luam thiab nyob rau hauv qhov siv thiab ua joinery.

Nyob rau hauv xyoo tsis ntev los, lub koob meej ntawm ib tug txiav ntoo tau txais nyob rau hauv cov ntoo siv. Vim nws tej friendliness thiab adaptability nws yog nyob rau hauv siab thov nyob rau hauv kev tsim kho ntawm load-tau cov kabmob phab ntsa ntawm lub tsev, attics thiab lwm tus neeg.