Plywood abu ne mai nau'i mai nau'i-nau'i uku ko nau'i-nau'i mai nau'i-nau'i wanda aka yi da sassan katako wanda aka barewa a cikin veneers ko kuma a yanka a cikin itace na bakin ciki, sa'an nan kuma manne da manne.Yawancin lokaci, ana amfani da veneers masu ƙima, kuma ana amfani da yadudduka na kusa.Hanyoyi na fiber suna manne da juna.
Plywood na ɗaya daga cikin kayan da aka saba amfani da shi don kayan ɗaki, kuma yana ɗaya daga cikin manyan allunan katako na katako.Ana iya amfani da shi don jiragen sama, jiragen ruwa, jiragen kasa, motoci, gine-gine da akwatunan marufi.Rukunin veneers yawanci ana haɗa su kuma a haɗa su tare bisa ga jagorar ƙwayar itacen da ke kusa da juna.Yawancin lokaci, allon saman da allon rufin ciki an shirya su daidai a bangarorin biyu na tsakiyar Layer ko ainihin.Dutsen da aka yi da veneer bayan gluing yana haɗe-haɗe bisa ga jagorancin ƙwayar itace, kuma ana danna shi a ƙarƙashin yanayin dumama ko rashin zafi.Yawan yadudduka gabaɗaya lamba ce mara kyau, kuma kaɗan suna da ma lambobi.Bambanci a cikin kayan aikin jiki da na inji a cikin kwatance na tsaye da a kwance kadan ne.Nau'o'in katakon da aka saba amfani da su sune katako mai nau'i uku, katako mai nau'i biyar da sauransu.Plywood na iya inganta amfani da itace kuma babbar hanya ce ta ajiye itace.
Don inganta abubuwan anisotropic na itace na halitta kamar yadda zai yiwu, don kada kaddarorin plywood su kasance daidai kuma siffar ta kasance mai tsayi, tsarin tsarin plywood na gaba ɗaya dole ne ya bi ka'idodin asali guda biyu: ɗaya shine alamar;ɗayan kuma shi ne cewa zarurukan da ke kusa da yadudduka na veneer sun kasance daidai da juna.Ka'idar daidaitawa ita ce buƙatar cewa veneers a ɓangarorin biyu na jirgin sama na tsakiya na plywood ya kamata su kasance masu dacewa da juna ba tare da la'akari da yanayin itacen ba, kauri na veneer, adadin yadudduka, jagorar fibers, da danshi abun ciki.A cikin katako guda ɗaya, ana iya amfani da veneers na nau'in nau'in nau'in nau'in nau'i guda ɗaya da kauri, ko kuma a iya amfani da veneers na nau'i daban-daban da kauri;duk da haka, duk wani yadudduka biyu na veneers da suke da daidaito a juna a bangarorin biyu na tsakiyar jirgin sama mai ma'ana dole ne su kasance da nau'in nau'in da kauri iri ɗaya.Ba a yarda fuskokin fuska da na baya su kasance nau'in nau'in itace iri ɗaya ba.
Don yin tsarin plywood ya hadu da ka'idodin asali guda biyu na sama a lokaci guda, adadin adadin ya kamata ya zama m.Don haka, ana yin plywood zuwa nau'i-nau'i marasa ƙima kamar nau'i uku, yadudduka biyar, da yadudduka bakwai.Sunayen kowane Layer na plywood sune: abin rufe fuska ana kiran shi da allo, veneer na ciki shi ake kira core board;allon gaba shi ake kira panel, sannan kuma ana kiran allon baya;a cikin core board, da fiber shugabanci ne a layi daya da jirgin An kira dogon core allon ko matsakaici allo.Lokacin ƙirƙirar shingen rami na rami, gaba da baya dole ne su fuskanci waje sosai.
Lokacin aikawa: Fabrairu-15-2023