Yuav Ua Li Cas Txiav Txim Qhov Zoo Ntawm Plywood
Aug 06, 2022
(1) Nws yuav tsum paub tias plywood muaj qhov zoo thiab qhov tsis zoo. Lub plywood yuav tsum muaj cov ntoo ntshiab, pem hauv ntej yuav tsum ci thiab du, tsis ntxhib, thiab yuav tsum tiaj tus thiab tsis khov. Muaj qhov zoo thiab qhov tsis zoo ntawm qhov splint.
(2) Nkag siab qhov zoo thiab qhov tsis zoo ntawm plywood. Lub plywood yuav tsum tsis txhob muaj qhov tsis xws luag xws li kev puas tsuaj, pob, kev raug mob hnyav, thiab pob qhov rooj. Resin thiab dub grey tawv hauv qhov ntev ntawm 15 hli yuav tsum tsawg dua 4 ib square meter; resin nrog ntev 150 hli thiab dav 10 hli yuav tsum tsawg dua 4 ib square meter; tus naj npawb ntawm horny knots (nyob rau hauv knots) yuav tsum tsawg tshaj li 5, thiab cheeb tsam yog tsawg tshaj li 15 square millimeters; tsis muaj qhov tshwm sim ntawm cov plaub hau kom qhuav thiab tawg ntau tshaj 200mm x 0.5mm.
(3) Hnov nws nrog koj txhais tes. Nqa ib sab ntawm lub plywood nrog ob txhais tes, thiab xav tias lub rooj tsavxwm yog tiaj tus, txawm, thiab tsis muaj kev sib tw thiab kev sib tw.
(4) Ua tib zoo saib cov seams. Qee lub plywood yog tsim los ntawm pasting ob veneers nrog sib txawv textures ua ke, yog li ua tib zoo saib seb lub seams ntawm plywood yog nruj thiab seb puas muaj unevenness.
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(5) Ua tib zoo saib xyuas cov plywood uas tau muab nplaum. Yog hais tias lub suab yog nkig thaum khob ntawm ntau qhov chaw ntawm plywood, nws ua pov thawj tias qhov zoo. Yog hais tias lub suab yog npub, nws txhais tau hais tias lub plywood tau xoob. Los yog siv ib tug ntoo ntawm txog 50 cm los nqa lub plywood thiab ntaus txhua qhov chaw maj mam. Yog hais tias lub suab yog txawm thiab nrov, nws yog qhov yooj yim tshaj plaws board; los yog kev tsis zoo sab hauv los ntawm bubbling, thiab lwm yam. Lub rooj tsavxwm no tsuas yog siv los ua cov ntaub ntawv los yog lub phaj saum toj thiab hauv qab, tsis yog ntaub.
(6) Ua tib zoo saib seb lub plywood puas muaj xim txawv. Lub plywood yuav tsum tsis muaj qhov txawv txav thiab chromatic aberration, xim yuav tsum zoo ib yam, thiab kev ntxhib los mos yuav tsum zoo ib yam.
(7) Ua tib zoo saib xyuas kev sib haum xeeb ntawm cov xim ntoo thiab cov xim xim rooj tog. Feem ntau, tshauv thiab basswood plywood yog lub teeb daj thiab tuaj yeem siv los ua rooj tog. Basswood plywood muab faib ua cov ntxoov ntxoo, thiab tsis muaj teeb meem nrog lub teeb xim tiav, tab sis cov xim tsaus tuaj yeem siv los ua cov rooj tog hauv dej hauv cov xim av, tsis yog cov rooj tog daj daj, txwv tsis pub xim ntawm cov rooj tog yuav tsaus. Txawm hais tias cov xim tsaus tuaj yeem ntxuav nrog dej ammonia, cov nyhuv tom qab kev kho mob tsis zoo, thiab cov xim ntawm cov rooj tog tseem yuav hloov xim thiab tsaus dua tom qab siv ntau xyoo.
