OSB (OrientedStrandBoard) bụ ụdị osisi arụpụtara dị ka bọọdụ irighiri ihe, site n'ịgbakwụnye eriri osisi (flakes) na ntụzịaka a kapịrị ọnụ nke na-etolite ihe nkedo wee kpachie osisi ahụ.
Armin Elmendorf nke California chepụtara ya na 1963. OSB nwere ike inwe elu siri ike ma dị iche iche, na ibe nke ọ bụla dịka 2.5 cm x 15 cm (1.0 x 5.9 na) na-edobe ya n'ụzọ na-ezighi ezi n'ofe ibe ya, na n'ụdị dị iche iche na ọkpụrụkpụ.

Ebumnuche nke OSB

OSB bụ ihe na-arụ ọrụ nke ọma, na-eme ka ọ dị mma maka ngwa ndị na-ebu ibu na-ewu.
Ugbu a ọ na-ewu ewu karịa plywood, na-aza 66% nke ahịa panel nhazi. Ihe a na-ejikarị eme ihe bụ ịkwa akwa maka mgbidi, ala na elu ụlọ.
Maka ngwa mgbidi dị n'èzí, a pụrụ iji ihe mgbochi na-egbuke egbuke kpuchie ogwe ndị ahụ n'otu akụkụ; nke a na-eme ka ntinye dị mfe ma na-eme ka ọrụ ike nke envelopu ụlọ dịkwuo mma. A na-ejikwa OSB na-emepụta ngwá ụlọ.

Imepụta bọọdụ OSB

Ụdị resins adhesive nke OSB na-eji gụnyere: urea-formaldehyde (OSB ụdị 1, nke na-abụghị ihe nhazi, nke na-abụghị mmiri); Adhesives dabeere na isocyanate (ma ọ bụ PMDI polymethylene diphenyl diisocyanate dabeere) na mpaghara ime ya na melamine-urea-formaldehyde ma ọ bụ phenol-formaldehyde Resin gluu n'elu (OSB ụdị 2, nhazi, mkpuchi mmiri); resin phenolic (ụdị OSB 3 na 4, ụdị nhazi, maka ebe mmiri na mpụga).

A na-eme akwa akwa ahụ site n'ibibie osisi ahụ n'ime ibe ndị a na-enyocha ma tinyezie ya na eriri ma ọ bụ eriri waya. A na-arụkwa ihe nkwụchi ahụ n'ahịrị ịkpụzi. A na-ejikọta slats osisi nke dị n'èzí na axis ike nke ogwe, ebe oyi akwa dị n'ime na-eguzo ọtọ. Ọnụ ọgụgụ nke ọkwa a na-etinye na-adabere n'otu akụkụ na ọkpụrụkpụ nke panel ahụ, ma na-ejedebe site na ngwá ọrụ arụnyere na saịtị mmepụta. Ọkpụrụkpụ nke onye ọ bụla n'ígwé nwekwara ike ịdị iche iche iji nye dị iche iche emechara panel ọkpụrụkpụ (nke a, a 15 cm (5.9 na) oyi akwa ga-amị a 15 mm (0.59 na) panel ọkpụrụkpụ. A na-etinye ute ahụ n'ime ebe a na-ekpo ọkụ na-ekpo ọkụ iji kpoo mpempe akwụkwọ ndị ahụ ma jikọta ha site na ịgbalite ọkụ ma gwọọ resin nke ekpuchiri na mpempe akwụkwọ. Mgbe ahụ, a na-ebipụ akụkụ nke ọ bụla site na ute ahụ ruo n'ịdị elu. A na-arụpụta ọtụtụ OSB n'ụwa na nnukwu ụlọ ọrụ mmepụta ihe na United States na Canada.

Ngwaahịa ndị emetụtara

A na-eji ihe ndị ọzọ na-abụghị osisi mepụta ngwaahịa ndị yiri OSB. gbakwasara Ọdịdị ahịhịa osisi bụ ihe engineering osisi mere site kewara ahịhịa, na-agbakwunye P-MDI nrapado, na-ekpo ọkụ na ịpị ahịhịa oyi akwa na a kpọmkwem ntụziaka. Enwere ike iji akpa akpa mee particleboard.

#OSB #OSB3 #PB #particleboard