Plywood imapangidwa ndi zigawo zitatu kapena kupitilira za milimita imodzi yokhuthala veneer kapena bolodi yopyapyala yomata ndi kukanikiza kotentha.Zodziwika bwino ndi plywood zitatu, plywood zisanu, plywood zisanu ndi zinayi ndi plywood khumi ndi ziwiri (zomwe zimatchedwa plywood zitatu, zisanu peresenti, bolodi lachisanu ndi chinayi, ndi bolodi la magawo khumi ndi awiri pamsika).
Posankha plywood, samalani mfundo zotsatirazi:
1. Plywood ili ndi kusiyana pakati pa kutsogolo ndi kumbuyo.Posankha plywood, njere zamatabwa ziyenera kukhala zomveka bwino, kutsogolo kwake kukhale koyera ndi kosalala, osati konyowa, komanso kopanda phokoso komanso kosasunthika.
2. Plywood sayenera kukhala ndi zolakwika monga kuwonongeka, mikwingwirima, mikwingwirima, ndi zipsera.
3. Palibe chodabwitsa cha degumming mu plywood.
4. Plywood ina imapangidwa ndi kuyika ma veneers awiri okhala ndi mawonekedwe osiyana palimodzi, kotero posankha, tcherani khutu kumagulu a plywood ayenera kukhala olimba ndipo palibe kusagwirizana.
5. Posankha cholumikizira, muyenera kusamala posankha cholumikizira chomwe sichimataya guluu.Ngati phokoso liri lolimba mukagogoda pazigawo zosiyanasiyana za plywood, zimatsimikizira kuti khalidweli ndi labwino.Ngati phokosolo silimveka, ndiye kuti plywood ili ndi guluu wotayirira.
6. Posankha mapanelo a veneer, chidwi chiyenera kuperekedwanso ku mtundu wofanana, mawonekedwe osasinthasintha, ndi kugwirizana kwa mtundu wa nkhuni ndi utoto wa utoto wa mipando.
China National Standard for Plywood: Plywood Grades
Malinga ndi "Plywood-Specification for classification of plywood for general use" (Plywood-Specification for classified of plywood for generally), plywood wamba imagawidwa m'magulu anayi malinga ndi zolakwika zakuthupi ndi zowonongeka zomwe zikuwonekera pa gulu. : giredi yapadera, kalasi yoyamba Class 1, Class 2 ndi Class 3, yomwe Class 1, Class 2 ndi Class 3 ndi magiredi akulu a plywood wamba.
Gulu lililonse la plywood wamba limatsimikiziridwa makamaka ndi zolakwika zovomerezeka pagawo, ndipo zolakwika zovomerezeka za gulu lakumbuyo, zotchingira zamkati ndi zolakwika za plywood ndizochepa.
Nthawi yotumiza: Aug-21-2023