1. An raba plywood zuwa nau'i uku ko fiye na itace na bakin ciki da kuma manna. Yawancin siraran itacen da ake samarwa a yanzu ana jujjuya siraran itace, wanda galibi ake kira veneer. Ana yawan amfani da veneers masu ƙima. Hanyoyi na fiber na veneers kusa da juna sun kasance daidai da juna. Farantin karfe uku, farantin karfe biyar, farantin karfe bakwai da sauran katako mai lamba mara kyau ana amfani da su. Wurin da ke waje shi ake kira veneer, a gaban veneer ana kiransa panel, veneer na baya kuma ana kiransa farantin baya, veneer na ciki kuma ana kiransa core plate ko tsakiyar farantin.
2. Nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'i ne. A kasar Sin, itatuwan da aka saba amfani da su sune basswood, Fraxinus mandshurica, birch, poplar, elm, maple, wood color, Huangbo, maple, nanmu, Schima superba, da wolfberry na kasar Sin. Bishiyoyin coniferous da aka saba amfani da su sune masson pine, Yunnan pine, larch, spruce, da dai sauransu.
3. Akwai hanyoyi da yawa don rarraba plywood, wanda za'a iya rarraba bisa ga nau'in itace, irin su katako na katako (birch plywood, tropical hardwood plywood, da dai sauransu) da coniferous plywood;
4. Bisa ga manufar, ana iya raba shi zuwa plywood na yau da kullum da katako na musamman. Itacen na yau da kullun shine katako mai dacewa da nau'ikan dalilai masu yawa, kuma katako na musamman shine katako don dalilai na musamman;
5. Bisa ga juriya na ruwa da karko na m Layer, talakawa plywood za a iya raba zuwa weather resistant plywood (aji I plywood, tare da karko, tafasar juriya ko tururi magani, za a iya amfani da waje), ruwa-resistant plywood (class II). plywood, ana iya jika shi cikin ruwan sanyi, ko sau da yawa a jiƙa a cikin ruwan zafi na ɗan lokaci kaɗan, amma ba mai juriya ga tafasa ba) Ƙaƙwalwar ɗanɗano mai jurewa (Plywood Class III, wanda zai iya jurewa nutsewar ruwan sanyi na ɗan gajeren lokaci kuma ya dace da amfani a cikin gida). da plywood mara damshi (jinin aji na IV, wanda ake amfani da shi a ƙarƙashin yanayin cikin gida na yau da kullun kuma yana da takamaiman ƙarfin haɗin gwiwa).
6. Bisa ga tsarin plywood, ana iya raba shi zuwa plywood, sandwich plywood da composite plywood. Sandwich plywood shine plywood tare da farantin karfe, kuma plywood mai hade shine plywood tare da farantin karfe (ko wasu yadudduka) wanda ya ƙunshi kayan wanin itace mai ƙarfi ko veneer. Bangarorin biyu na tsakiyar farantin yawanci suna da aƙalla yadudduka biyu na veneers tare da ƙwayar itace a tsaye da aka jera juna.
7. Bisa ga sarrafa saman, ana iya raba shi zuwa katako mai yashi, katako mai yashi, katako na katako da katako na katako. Itacen da aka yi da yashi shi ne katakon da aka yi masa yashi, wanda aka goge shi ne katakon da ake gogewa, sannan kuma kayan da aka yi wa ado shi ne kayan ado kamar kayan ado, takarda na itace, takarda mai ciki, filastik. resin m film ko karfe takardar, The pre-qare plywood ne plywood da aka musamman bi a lokacin da aka yi da kuma baya bukatar a gyara a lokacin amfani.
8. Dangane da siffar plywood, ana iya raba shi zuwa katako na jirgin sama da kafa plywood. Kafaffen plywood yana nufin plywood wanda aka danna kai tsaye cikin siffa mai lanƙwasa a cikin ƙirar bisa ga buƙatun samfurin, don buƙatu na musamman, kamar allon kariyar bango, katakon katako na rufi, baya da ƙafafu na baya na kujera.
9. Hanyar masana'anta na yau da kullum na plywood shine hanyar zafi mai bushe, wato, bayan busassun busassun an rufe shi da manne, an sanya shi a cikin latsa mai zafi don a manne a cikin plywood. Babban matakai sun haɗa da rubutun log da gicciye sawing, maganin zafi na ɓangaren itace, tsakiya na itace da yankan jujjuya, bushewar veneer, girman veneer, shirye-shiryen slab, latsawa kafin latsawa, danna zafi, da jerin jiyya.
Manufar maganin zafi na itace shine don sassauta sassan katako, ƙara yawan filastik na sassan katako, sauƙaƙe sassan katako na gaba da za a yanke ko tsara su, da kuma inganta ingancin veneer. Hanyoyin gama gari na maganin zafi na ɓangaren itace sun haɗa da tafasa, maganin zafi na lokaci ɗaya na ruwa da iska, da maganin zafin tururi.
Lokacin aikawa: Agusta-30-2022
