Plywood yog dab tsi?

Plywood yog peb-txheej los yog ntau-txheej board khoom ua los ntawm tev ntoo ntu rau hauv veneers los yog npaj ntoo blocks rau hauv nyias ntoo, thiab ces gluing lawv nrog adhesives. Nws feem ntau siv cov khib nyiab ntawm veneers, thiab cov lus qhia fiber ntau ntawm cov veneers uas nyob ib sab yog glued perpendicular rau ib leeg.
Plywood yog ib qho ntawm cov khoom siv feem ntau siv rau cov rooj tog zaum, ib qho ntawm peb lub rooj tsim khoom loj, thiab tseem tuaj yeem siv los ua cov khoom siv dav hlau, nkoj, tsheb ciav hlau, tsheb, vaj tse, thiab cov thawv ntim khoom. Ib pawg ntawm cov veneers feem ntau yog sib sau ua ke thiab ua ke nyob rau hauv ib qho kev taw qhia rau cov ntoo lis ntawm cov khaubncaws sab nraud povtseg. Feem ntau, lub rooj tsavxwm saum npoo thiab cov txheej txheej sab hauv yog symmetrically teem rau ob sab ntawm lub hauv paus txheej los yog cov tub ntxhais. Cov slabs yog tsim los ntawm staggering lub veneers coated nrog kua nplaum nyob rau hauv cov kev taw qhia ntawm cov ntoo grain, thiab yog nias nyob rau hauv lub cua sov los yog tsis muaj cua sov tej yam kev mob. Tus naj npawb ntawm cov khaubncaws sab nraud povtseg feem ntau yog khib, thiab ob peb muaj tus lej. Lub cev thiab txhua yam khoom nyob rau hauv longitudinal thiab transverse cov lus qhia txawv me ntsis. Feem ntau siv hom plywood muaj xws li peb-ply board thiab tsib-ply board. Plywood tuaj yeem txhim kho qhov kev siv ntawm cov ntoo thiab yog ib txoj hauv kev tseem ceeb kom txuag tau ntoo.
Qhov ntev thiab dav specifications yog: 1220 × 2440mm, thiab thickness specifications feem ntau: 3, 5, 9, 12, 15, 18mm, thiab lwm yam. Cov ntoo tseem ceeb yog: beech, roob camphor, willow, poplar, eucalyptus, lwm.