Kedu ihe bụ plywood?
Ihe
bọọdụ plywood ma ọ bụ "ibé akwụkwọ" nwere okpukpu atọ ma ọ bụ karịa nke osisi nkịtị jikọtara ọnụ.
A na-akpọ ọkwa ndị ahụ dị ka "nyochaa", ya mere aha ahụ bụ "plywood". Dị ka a na-achị, ka plywood na-ebuwanye ibu, ka ọ na-enwekwu ọkwa.
Ọ bụ ihe na-agbanwe agbanwe nke nwere nnukwu ngwa ngwa, site na mgbidi na ihe mkpuchi ala ruo na ihe a na-emepụta ihe, ngwá ụlọ mmebe na nkwakọ ngwaahịa.
Plywood siri ike nke ukwuu karịa ụfọdụ ihe mpempe akwụkwọ ndị ọzọ dabere na osisi dịka ọkara njupụta fibreboard (MDF).
Lee ibe anyị Kedu ihe bụ MDF?, maka ozi ndị ọzọ na Medium Density Fibreboard.
Ike nke plywood bụ n'ihi na ntụziaka nke eriri nke oyi akwa nke ọ bụla na-agbanwe n'ihe gbasara ọkwa dị n'akụkụ.
Ntughari nke ntụzịaka ọka nke oyi akwa ọ bụla, nke a na-akpọ ọka cross, na-abụkarị ogo 90 (akuku aka nri). Nke a pụtara na ọka nke oyi akwa nke ọ bụla na-adabere n'otu ntụziaka ahụ, na oyi akwa na-adabere na ogo 90 n'etiti ha. Agbanyeghị, akụkụ nke ntụgharị nwere ike ịdị obere ka ogo 30. N'ụfọdụ plywood toro eto, enwere ike ịhazi ọkwa asaa n'usoro n'akụkụ 0, 30, 60, 90, 120, 150, na 180 degrees).
Mkpụrụ ọka na-atụgharị nwere ọtụtụ uru. Nke a:
Na-ebelata ohere nkewa mgbe a kpọgidere mpempe akwụkwọ n'akụkụ
Na-ebelata mgbasawanye na mbelata maka nkwụsi ike akụkụ ka mma
Na-enye plywood ike na-agbanwe agbanwe n'akụkụ niile na osisi ahụ.
Akụkọ dị mkpirikpi nke Plywood
Egypt mgbe ochie
Ngwaahịa osisi emere n'Ijipt oge ochie n'ihe dị ka afọ 3500 BC bụ ihe atụ mbụ ama ama maka iji plywood eme ihe. E ji ihe nkwọcha akwọ ụgbọ epeepe mee ha, dị ka plywood ọgbara ọhụrụ.
China, England na France
Ihe dịka 1,000 afọ gara aga, Ndị China kpara osisi ma dụkọta ya ka ọ rụọ arịa ụlọ.
Ndị Briten na ndị France mere ogwe n'otu oge site na plywood na narị afọ nke 17 na 18.
Site n'ụlọ ruo ihe owuwu
Ihe atụ mbụ nke plywood, nke a na-ejikarị osisi siri ike chọọ mma, bụ nke a na-ejikarị eme ihe n'imepụta ihe eji arụ ụlọ dịka igbe, igbe, countertop, na ọnụ ụzọ.
Plywood Softwood maka iji rụọ ọrụ pụtara na narị afọ nke 20.
Kedu ihe eji ya?
Nnukwu ngwa ngwa
Ogologo ihe eji eme plywood, ma n'ime ma n'èzí, yiri ka ọ nweghị njedebe. N'ime ihe owuwu, enwere ike iji ya na mgbidi, ala, elu ụlọ na steepụ; dị ka a formwork (ụdị ụdị) ijide ihe n'oge ntọala; na n'obere oge maka ịkpụzi maka ịtọ brik ma ọ bụ nkume mgbe ị na-ahazi oghere oghere.
Ngwongwo
A ka na-ejikwa plywood eme ihe n'ichepụta ngwá ụlọ.
Nkwakọ ngwaahịa, imepụta ihe na nka nka
Ngwa ndị ọzọ gụnyere nkwakọ ngwaahịa echedoro, egwuregwu na akụrụngwa egwuregwu, yana ozu ụfọdụ ụgbọ ala na ụgbọ elu dị mfe.
A na-ejikarị plywood dị gịrịgịrị eme ihe nlereanya, ụfọdụ ndị na-ese ihe na-esekwa ya ma e jiri plasta kpuchie ya, ihe mkpuchi nke na-enye elu dị ntakịrị nke siri ike nke na-ejide agba nke ọma.
Ezubere maka ebumnuche Pụrụ iche
A na-emepụta ụdị plywood dị iche iche maka ebumnuche ụfọdụ. Dịka ọmụmaatụ, a na-eji plywood dị elu nke sitere na mahogany na / ma ọ bụ birch mee ihe n'ịrụ ụfọdụ ụgbọ elu Agha Ụwa nke Abụọ, ebe mmiri mmiri plywood mere site na ihu siri ike na n'ime veneers nwere ntụpọ ole na ole na-arụ ọrụ nke ọma na ọnọdụ mmiri na iru mmiri.
Atụmatụ
Ndị agha
Plywood siri ike, n'ozuzu n'ụzọ ziri ezi na-eguzogide mmetụta mmebi, dịtụ mfe, na dịtụ mfe ịkpụ na "na-arụ ọrụ" na ngwaọrụ.
Ọ bụ ihe magburu onwe ya dị ka ihe mpempe akwụkwọ maka ịmepụta ma ọ bụ ikpuchi nnukwu, dị larịị, nkwụsị ma ọ bụ ọbụna ọdịdị dị ka mgbidi, ala, ụfọdụ ụdị elu na nnukwu arịa.
Bara uru maka ọrụ mgbagwoju anya
Ụfọdụ ụdị plywood kwesịrị ekwesị maka ọrụ ndị dị mgbagwoju anya, dị ka ịmepụta ụdị, ihe mgbagwoju anya osisi, na obere igbe.
Nnukwu ogwe ngwa ngwa na-ekpuchi nnukwu ebe
N'ihi na plywood dị na nnukwu ogwe, enwere ike ijikọta ọnụ ọnụ dị ntakịrị kpuchie nnukwu ebe, na oke oke nke oke na-eme ka ọ dị mma maka ngwa dịgasị iche iche site na akwa mkpuchi ruo na mkpuchi dị nro.
Kedu ka esi eme plywood?
Ịmepụta plywood na-achọkarị osisi ndị a na-akpọ "hullers" nke buru ibu na dayameta ma kwụ ọtọ karịa nkezi osisi nke esi na ya gbuo osisi ahụ.
A na-ewepụ ogbugbo ahụ tupu e kpochaa peeler ma tinye ya maka awa 12 ruo 40 tupu ebibie ya.
Mgbe ahụ, a na-etinye ya na nnukwu igwe na-akpụ akpụ wee tụgharịa gburugburu ogologo axis ya ...
… ebe ogologo agụba na-ekewa mpempe akwụkwọ ma ọ bụ oyi akwa na-aga n'ihu na log. 
A na-egbutu mpempe akwụkwọ ogologo ahụ n'ime akụkụ nke ogologo na obosara nke mbụ, a na-enyochakwa ihe ndị dị na ya maka ntụpọ. 
A na-agbanye akwa akwa ma jikọta ọnụ, a na-egbutukwa mbadamba ihe ndị na-esi na ya pụta ruo n'ókè ikpeazụ ha.
Ọrụ ikpeazụ na-emekarị na-egweri - larịị - mbadamba. A na-ekpuchi bọọdụ ụfọdụ (dị ka melamine ma ọ bụ acrylic) ma mechie akụkụ ha.
Kedu ụdị plywood dị?
Ọnụ ọgụgụ nke plywood dị nnọọ ukwuu. Ndị a bụ ụfọdụ ụdị isi dị. Gwa onye na-ere ụlọ gị okwu ma ọ bụ lee anya n'ịntanetị ma ọ bụrụ na ị na-achọ ihe akọwapụtara nke ọma iji gboo otu mkpa.
Plywood coniferous
Nke a bụ ụdị plywood a na-ahụkarị nke a na-ejikarị eme ihe na ụlọ ọrụ mmepụta ihe.
Osisi plywood
Ụdị a nwere ike na isi ike karị. Nguzogide ya na mmebi na iyi na-eme ka ọ dị mma maka gburugburu ebe obibi siri ike gụnyere ala na mgbidi.
plywood okpomọkụ
Emere site na osisi okpomọkụ nke Asia, Africa na South America, plywood a na-eme ka plywood dị nro n'ihi ụbara ike ya na ịdị larịị nke plies. Ọ bụ nhọrọ kachasị mma nke ọtụtụ n'ime ụlọ ọrụ ihe owuwu. Ụfọdụ ụdị nwere ọdịdị na agba mara mma nke ukwuu, na-eme ka ha dị mma maka iji ya mee ihe n'ụdị ngwá ụlọ.
Ugwu pelu
Emere ya site na mahogany ma ọ bụ birch, na mgbe abụọ, plywood a dị elu nwere eriri jikọtara ya na nrapado nke na-eguzogide oke okpomọkụ na mmiri. A na-eji ya maka ụfọdụ ụgbọ elu n'oge Agha Ụwa nke Abụọ ma jiri ya mee ihe taa na ngwa dị iche iche na-achọ ike na ogologo oge.
Ihe eji achọ mma
Nke a plywood nwere ihe na-adọrọ adọrọ elu oyi akwa hardwood maka iji na ngwá ụlọ, wallboard na ndị ọzọ "oke àgwà" ngwa. Ụdị oyi akwa ndị ọzọ eji achọ mma gụnyere ebu na akwụkwọ resin etinyere.
plywood na-agbanwe agbanwe
Plywood na-agbanwe agbanwe, nke a na-akpọ mgbe ụfọdụ dị ka "plywood okpu" n'ihi ojiji ya na okpu "chimney" n'oge Victoria, ejiri mee ihe na-akpụ akpụ.
mmiri plywood
Mmiri plywood, dị ka aha ya na-egosi, bụ nhọrọ maka ụgbọ mmiri na ọtụtụ ngwa ndị ọzọ ebe a na-ezute ọnọdụ mmiri na mmiri. Ọ na-eguzogide ọgụ nke fungal na delamination - mgbe n'ígwé amalite delaminate, na-emekarị n'ihi ikpughe na dampness. Ihe dị ala bụ na ọ dị oke ọnụ karịa ọtụtụ ụdị plywood ndị ọzọ.
Plywood adịghị ọkụ
Nke a bụ plywood ji kemịkalụ na-eme ka ọ dịkwuo ọkụ.
Plywood ejiri phenol kpuchie ya
A na-agbaze laminate na-ekpo ọkụ n'elu plywood a. Enwere ike ịhapụ elu ahụ nke ọma maka ịrụ ọrụ - dịka ọmụmaatụ, ihe eji eme ihe maka ihe owuwu ma ọ bụ ihe owuwu nwa oge iji jide mgbidi brik na ụdị ndị ọzọ ruo mgbe ngwa agha ahụ-ma ọ bụ ụkpụrụ nwere ike ịpịnye n'ime ya maka ihe na-adịghị mma ma ọ bụ ịchọ mma. imecha. Ngwa.
Kedu nha dị?
Nha mpempe akwụkwọ kacha na kacha nta na-adaberekarị n'ụdị plywood, mana ọkọlọtọ a na-ahụkarị bụ 4ft site na 8ft (1220mm x 2440mm). A na-enwekarị mpempe akwụkwọ buru ibu na nke nta, na-adịkarị na 1 ụkwụ (300 mm).
Ọkpụrụkpụ plywood dị iche site na 1/16" (1.4mm) ruo 1" (25mm), ọ bụ ezie na akwa akwa dị maka ụfọdụ ngwa pụrụ iche.
Kedu ka esi ahazi plywood?
A na-ekewa ụdị plywood dị iche iche dị iche iche, dabere n'ụdị osisi a na-esi na ya ma ọ bụ obodo ha. Ntụle ahụ na-ezo aka n'ịdị mma nke osisi a na-eji, ma otu ma ọ bụ abụọ nke elu ma ọ bụ n'elu nwere ntakịrị ma ọ bụ ọtụtụ ntụpọ, yana ma ọ bụrụ na e wepụrụ ntụpọ ọ bụla n'oge usoro mmepụta.
Dịka ọmụmaatụ, ụdị nke plywood birch:
Klas S (kachasị elu) - naanị obere akụkụ na njirimara
Ọkwa BB (ọkara) - ntinye oval patches na-edochi nnukwu eriri na ntụpọ ọ bụla.
Ọkwa WG (nke dị ala) - ntụpọ mepere emepe na obere eriri nwere ụfọdụ eriri buru ibu arụziri.
Klas C (kachasị ala) - ntụpọ mepere emepe kwere
E nwekwara Brazil, Chile, Finnish, Russian, Swedish na ọtụtụ ụdị ndị ọzọ. Tupu ịzụrụ, lelee ọkwa plywood iji jide n'aka na plywood na-emezu ihe achọrọ maka ọrụ ahụ.
Kedu ụkpụrụ maka plywood?
Enwere ụkpụrụ dị iche iche - European na BS (British Standards) - maka plywood ejiri mee ihe n'ọtụtụ dị iche iche.
Dịka ọmụmaatụ, na mpaghara ihe owuwu, ụkpụrụ European maka ogwe osisi EN 13986 chọrọ plywood eji na mpaghara ihe owuwu iji zute otu n'ime klaasị arụmọrụ atọ n'ime EN 636, ndị na-ebunye ya ga-enyerịrị akaebe nke a.
Klas arụmọrụ dabere na nguzogide mmiri nke plywood ejiri n'akụkụ dị iche iche nke ụlọ dịka elu ụlọ, nkebi, ala, na mgbidi mpụta ejiri osisi rụọ.
Ụdị ụfọdụ na-ejikọta ezigbo nguzogide ihu igwe na ihe ike dị n'èzí iji zute ụkpụrụ dị iche iche dị ka BS 1088 (plywood maka iji mmiri eme ihe), ebe ụkpụrụ ụkpụrụ BS 5268-2: 2002 na-emetụta ike plywood, nke a na-eji na-arụ ọrụ ụlọ. Ọ dị mma ịlele ma plywood ị na-azụta ọ bụ ọkọlọtọ ziri ezi maka iji ya eme ihe.
