{"id":12172,"date":"2022-11-02T10:18:45","date_gmt":"2022-11-02T02:18:45","guid":{"rendered":"https:\/\/nbtengyu.com\/informatii-generale-despre-usile-din-lemn\/"},"modified":"2026-10-30T12:02:01","modified_gmt":"2026-10-30T04:02:01","slug":"general-knowledge-of-timber-door","status":"publish","type":"post","link":"https:\/\/nbtengyu.com\/ro\/general-knowledge-of-timber-door\/","title":{"rendered":"Informa\u021bii generale despre u\u0219ile din lemn"},"content":{"rendered":"<h2>Termeni \u0219i defini\u021bii pentru u\u0219ile din lemn:<\/h2>\n<ol>\n<li>U\u0219\u0103 din lemn: u\u0219\u0103 fabricat\u0103 \u00een principal din materiale lemnoase (sc\u00e2nduri, cherestea, lemn sintetic etc.), inclusiv tocul acesteia.<\/li>\n<li>Cherestea: lemn fasonat, sub form\u0103 de grinzi sau sc\u00e2nduri, ob\u021binut prin debitarea bu\u0219tenilor \u0219i folosit, \u00een general, la fabricarea mobilierului din lemn masiv \u0219i a furnirului.<\/li>\n<li>Furnir: se ob\u021bine din lemn debitat prin rindeluire \u0219i t\u0103iere \u00een diferite moduri; are, \u00een general, grosimi de 0,6 mm \u0219i 0,2 mm. Furnirul u\u0219ilor din lemn de calitate inferioar\u0103 are, de regul\u0103, grosimea de 0,2 mm.<img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-5238 aligncenter\" src=\"https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/1-3.jpg\" alt=\"Veneer\" width=\"270\" height=\"202\" srcset=\"https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/1-3.jpg 270w, https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/1-3-16x12.jpg 16w\" sizes=\"auto, (max-width: 270px) 100vw, 270px\" \/><\/li>\n<li>Strat de acoperire: cunoscut \u0219i ca lac, poate fi pe baz\u0103 de ap\u0103 sau de solven\u021bi. Vopseaua solubil\u0103 \u00een ap\u0103 este numit\u0103, \u00een mod obi\u0219nuit, vopsea pe baz\u0103 de ap\u0103, iar cea solubil\u0103 \u00een solven\u021bi este cunoscut\u0103 \u0219i ca vopsea.<\/li>\n<\/ol>\n<h2>Clasificarea finisajelor vopsite pentru u\u0219ile din lemn:<\/h2>\n<ol>\n<li>Vopsea pe baz\u0103 de ap\u0103: tip de finisaj pentru lemn realizat cu un diluant pe baz\u0103 de ap\u0103 \u0219i f\u0103r\u0103 solven\u021bi organici; nu con\u021bine benzen, toluen, xilen, formaldehid\u0103, TDI liber sau metale grele toxice. Este netoxic\u0103, nu irit\u0103, nu d\u0103uneaz\u0103 organismului uman \u0219i nu polueaz\u0103 mediul. Pelicula de vopsea este plin\u0103, cristalin\u0103 \u0219i flexibil\u0103 \u0219i ofer\u0103 rezisten\u021b\u0103 la ap\u0103, uzur\u0103, \u00eemb\u0103tr\u00e2nire \u0219i \u00eeng\u0103lbenire, se usuc\u0103 rapid \u0219i este u\u0219or de utilizat.<\/li>\n<li>Vopsire: tipurile uzuale includ poliuretanul PU, r\u0103\u0219ina nesaturat\u0103 PE, vopseaua nitrocelulozic\u0103 NC \u0219i vopseaua cu \u00eent\u0103rire UV. Vopseaua poliuretanic\u0103 este una dintre cele mai utilizate \u00een prezent pentru amenaj\u0103rile interioare. Pelicula sa este rezistent\u0103, ader\u0103 bine \u0219i ofer\u0103 rezisten\u021b\u0103 la uzur\u0103, ap\u0103 \u0219i coroziune chimic\u0103, precum \u0219i o bun\u0103 p\u0103strare a luciului \u0219i a culorii.<\/li>\n<li>Finisaj cu pori deschi\u0219i\/finisaj cu pori \u00eenchi\u0219i: efectul vopselei. \u00cen primul caz, fibra \u0219i porii lemnului r\u0103m\u00e2n vizibili, iar \u00een al doilea, nu. Exist\u0103 finisaje complet \u00eenchise, semideschise \u0219i de alte tipuri.<\/li>\n<li>Vopsea colorat\u0103\/vopsea transparent\u0103: clasificarea se face \u00een func\u021bie de prezen\u021ba culorii. Prima acoper\u0103 stratul de baz\u0103 original, ofer\u0103 numeroase op\u021biuni de culoare \u0219i nu impune cerin\u021be ridicate pentru materialul de baz\u0103. A doua creeaz\u0103 un finisaj transparent, prin care se v\u0103d culoarea original\u0103 \u0219i fibra suprafe\u021bei acoperite. Vopseaua transparent\u0103 impune cerin\u021be ridicate pentru prelucrarea lemnului, iar materialele trebuie alese cu mare aten\u021bie.<\/li>\n<li>Vopsea mat\u0103\/vopsea lucioas\u0103: luciul vopselei se clasific\u0103 \u00een urm\u0103toarele trepte: supermat, mat, coaj\u0103 de ou (satinat), m\u0103t\u0103sos (satin), semimat \u0219i lucios. Luciul cre\u0219te de la o treapt\u0103 la alta, \u00een func\u021bie de gradul de reflexie a luminii. Vopselele pe baz\u0103 de ulei se \u00eempart \u00een trei categorii: mat\u0103, semimat\u0103 \u0219i lucioas\u0103. Acestea nu se diferen\u021biaz\u0103 printr-o anumit\u0103 treapt\u0103 de luciu, ci se folosesc \u00een locuri diferite: pentru u\u0219i, ferestre \u0219i mobilier se prefer\u0103 adesea finisajele mate sau semimate, \u00een timp ce finisajul lucios este folosit, \u00een general, pentru pardoseli, deoarece are de obicei o duritate mai mare. Vopselele pe baz\u0103 de ap\u0103 (vopselele emulsionate) sunt disponibile \u00een aproape toate gradele de luciu.<\/li>\n<\/ol>\n<h2>Componentele, structura intern\u0103 \u0219i clasificarea u\u0219ilor din lemn:<\/h2>\n<ol>\n<li>Componentele u\u0219ii din lemn: o u\u0219\u0103 din lemn este alc\u0103tuit\u0103, \u00een general, din traverse, montan\u021bi \u0219i panouri. Totu\u0219i, multe u\u0219i au ast\u0103zi forme neconven\u021bionale, dictate de cerin\u021bele de design, a\u0219a c\u0103 nu pot fi descrise \u00een detaliu dup\u0103 aceast\u0103 schem\u0103.<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-5239 size-full\" src=\"https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/2-2.jpg\" alt=\"Components of timber door\" width=\"1000\" height=\"834\" srcset=\"https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/2-2.jpg 1000w, https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/2-2-300x250.jpg 300w, https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/2-2-768x641.jpg 768w, https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/2-2-14x12.jpg 14w, https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/2-2-600x500.jpg 600w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-5240 size-full\" src=\"https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/3-2.jpg\" alt=\"Components of timber door\" width=\"1000\" height=\"682\" srcset=\"https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/3-2.jpg 1000w, https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/3-2-300x205.jpg 300w, https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/3-2-768x524.jpg 768w, https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/3-2-18x12.jpg 18w, https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/3-2-600x409.jpg 600w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/li>\n<li style=\"text-align: left;\">Structura intern\u0103 a u\u0219ilor din lemn: \u00een general, structura unei u\u0219i compozite din lemn masiv se refer\u0103 la structura montantului. \u00cen prezent, principalele structuri sunt urm\u0103toarele:<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-5241 size-full\" src=\"https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/4-2.jpg\" alt=\"LVL\/China Fir Finger joint wood +(MDF+Veneer)\/Lumber\" width=\"300\" height=\"225\" srcset=\"https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/4-2.jpg 300w, https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/4-2-16x12.jpg 16w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/> \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 LVL\/brad chinezesc \u00eembinat \u00een din\u021bi +(MDF+furnir)\/cherestea<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-5242 size-full\" src=\"https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/5-2.jpg\" alt=\"Chipboard\/Veneer\" width=\"640\" height=\"200\" srcset=\"https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/5-2.jpg 640w, https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/5-2-300x94.jpg 300w, https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/5-2-18x6.jpg 18w, https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/5-2-600x188.jpg 600w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/> \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0Plac\u0103 aglomerat\u0103\/furnir<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-5243 size-full\" src=\"https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/6-2.jpg\" alt=\"Honeycomb paper + MDF +veneer\/plywood\" width=\"1000\" height=\"601\" srcset=\"https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/6-2.jpg 1000w, https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/6-2-300x180.jpg 300w, https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/6-2-768x462.jpg 768w, https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/6-2-18x12.jpg 18w, https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/6-2-600x361.jpg 600w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/>\n<p style=\"text-align: center;\">H\u00e2rtie tip fagure + MDF + furnir\/placaj<\/p>\n<\/li>\n<li>Clasificarea u\u0219ilor din lemn:\n<ol>\n<li>Clasificare dup\u0103 modul de deschidere: \u00een func\u021bie de modul de deschidere, u\u0219ile din lemn se \u00eempart \u00een patru tipuri: u\u0219i batante cu balamale verticale, u\u0219i glisante, u\u0219i pliabile \u0219i u\u0219i pivotante.<\/li>\n<li>Clasificare dup\u0103 structura intern\u0103: \u00een func\u021bie de structura lor, u\u0219ile din lemn se \u00eempart \u00een u\u0219i masive, u\u0219i stratificate \u0219i u\u0219i cu miez celular.\n<ol>\n<li>U\u0219\u0103 masiv\u0103: u\u0219\u0103 din lemn ale c\u0103rei materiale exterioare \u0219i interioare sunt complet uniforme. Termenul se refer\u0103, \u00een general, la toate tipurile de u\u0219i din lemn cu aceast\u0103 caracteristic\u0103, inclusiv la u\u0219ile cu geam par\u021bial \u0219i la cele cu geam, realizate din lemn masiv. Uscarea lemnului este etapa esen\u021bial\u0103 \u00een fabricarea u\u0219ilor din lemn masiv.<\/li>\n<li>U\u0219\u0103 stratificat\u0103: se refer\u0103 la diferite tipuri de u\u0219i cu miez masiv, realizate din lemn, pl\u0103ci artificiale \u0219i furnir sub\u021bire, printre alte materiale. Termenul desemneaz\u0103, \u00een general, toate u\u0219ile din lemn cu aceast\u0103 caracteristic\u0103. Acest tip de u\u0219\u0103 valorific\u0103 eficient lemnul \u0219i se produce \u00eentr-un context \u00een care resursele forestiere sunt tot mai limitate, iar dezechilibrul dintre cererea \u0219i oferta de specii lemnoase pre\u021bioase este tot mai pronun\u021bat. Utilizarea furnirului este caracteristica distinctiv\u0103 a u\u0219ilor stratificate.<\/li>\n<li>U\u0219\u0103 cu miez celular: u\u0219\u0103 cu goluri (zona f\u0103r\u0103 suport dep\u0103\u0219e\u0219te 10 cm \u00d7 10 cm), realizat\u0103 cu un cadru din placaj \u0219i lemn \u0219i cu un strat exterior din plac\u0103 artificial\u0103 sau PVC, aplicat prin presare ori turnare.<\/li>\n<\/ol>\n<\/li>\n<li>Clasificare dup\u0103 aspectul exterior: \u00een general, u\u0219ile din lemn se \u00eempart, dup\u0103 aspect, \u00een u\u0219i plane, u\u0219i cu panouri \u0219i altele.<\/li>\n<li>Clasificare dup\u0103 finisajul de suprafa\u021b\u0103:\n<ol>\n<li>U\u0219\u0103 vopsit\u0103: u\u0219\u0103 cu suprafa\u021ba finisat\u0103 prin pulverizare.<\/li>\n<li>U\u0219\u0103 nevopsit\u0103: u\u0219\u0103 f\u0103r\u0103 vopsea. Materialele de suprafa\u021b\u0103 sunt, \u00een general, PVC, folie decorativ\u0103 Boeing (imita\u021bie de lemn, sub form\u0103 de folie autoadeziv\u0103) \u0219i melamin\u0103 (h\u00e2rtie decorativ\u0103 impregnat\u0103 cu melamin\u0103).<\/li>\n<li>U\u0219\u0103 cu finisaj copt: finisajul copt este, de fapt, o tehnologie de tratare a suprafe\u021bei, iar materialul de baz\u0103 este o plac\u0103 din fibre de densitate medie. U\u0219ile cu finisaj copt se \u00eempart \u00een u\u0219i cu lac de pian \u0219i u\u0219i cu finisaj metalic copt.<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<h2>Tipuri uzuale de lemn \u0219i caracteristicile lor:<\/h2>\n<ol>\n<li>Sapele\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-5244 size-full\" src=\"https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/7-2.jpg\" alt=\"Sapele\" width=\"598\" height=\"289\" srcset=\"https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/7-2.jpg 598w, https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/7-2-300x145.jpg 300w, https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/7-2-18x9.jpg 18w\" sizes=\"auto, (max-width: 598px) 100vw, 598px\" \/>Denumirea sa \u0219tiin\u021bific\u0103 este Entandrophragma cylindricum, fiind cunoscut \u0219i sub numele de lemn-fantom\u0103. Se g\u0103se\u0219te \u00een Africa tropical\u0103. Fibra lemnului este \u00eentrep\u0103truns\u0103, uneori cu un aspect ondulat. Are reflexe str\u0103lucitoare \u0219i un efect tridimensional, conferind o senza\u021bie de lux \u0219i elegan\u021b\u0103. Culoarea ro\u0219u-brun\u0103 poate crea o atmosfer\u0103 festiv\u0103 \u0219i primitoare \u00een spa\u021biul amenajat.<\/li>\n<li>Cire\u0219<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-5245 size-full\" src=\"https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/8-3.jpg\" alt=\"Cherry\" width=\"600\" height=\"237\" srcset=\"https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/8-3.jpg 600w, https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/8-3-300x119.jpg 300w, https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/8-3-18x7.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/>Se g\u0103se\u0219te \u00een diverse regiuni din estul Statelor Unite. Culoarea duramenului de cire\u0219 variaz\u0103 de la ro\u0219u aprins la ro\u0219u-brun \u0219i se \u00eenchide la culoare dup\u0103 expunerea la soare. Lemnul de cire\u0219 are fibr\u0103 fin\u0103, uniform\u0103 \u0219i dreapt\u0103, precum \u0219i o textur\u0103 neted\u0103; \u00een mod natural, prezint\u0103 pete maronii ale duramenului \u0219i mici cavit\u0103\u021bi cu gum\u0103. Se folose\u0219te \u00een general pentru finisaje interioare de \u00eenalt\u0103 calitate.<\/li>\n<li>Teak<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-5246 size-full\" src=\"https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/9-2.jpg\" alt=\"Teak\" width=\"600\" height=\"252\" srcset=\"https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/9-2.jpg 600w, https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/9-2-300x126.jpg 300w, https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/9-2-18x8.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/>Se g\u0103se\u0219te \u00een unele \u021b\u0103ri din Asia de Sud-Est, precum \u0219i \u00een China, \u00een apropierea grani\u021bei cu Yunnan. Dintre acestea, Thailanda \u0219i Myanmar sunt cele mai renumite. Specia este importat\u0103 \u00een principal din Myanmar. Are o str\u0103lucire aurie; cea mai bun\u0103 varietate provine din Thailanda. Lemnul de tec este uleios \u0219i lucios, cu o culoare uniform\u0103 \u0219i fibr\u0103 dreapt\u0103. Este rezistent la coroziune \u0219i uzur\u0103, \u00ee\u0219i p\u0103streaz\u0103 luciul, are un desen frumos, culori elegante \u0219i durabile, stabilitate bun\u0103 \u0219i deform\u0103ri reduse.<\/li>\n<li>Nuc<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-5247 size-full\" src=\"https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/10-2.jpg\" alt=\"Walnut\" width=\"600\" height=\"304\" srcset=\"https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/10-2.jpg 600w, https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/10-2-300x152.jpg 300w, https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/10-2-18x9.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/>Se g\u0103se\u0219te \u00een regiunile estice ale Statelor Unite, \u00eens\u0103 principalele zone forestiere comerciale se afl\u0103 \u00een statele centrale. Lemnul de nuc are de obicei fibra dreapt\u0103, dar aceasta poate fi \u0219i ondulat\u0103 sau curbat\u0103, form\u00e2nd modele decorative atractive. Nucul este un lemn de esen\u021b\u0103 tare, cu densitate medie \u0219i rezisten\u021b\u0103 moderat\u0103 la \u00eencovoiere \u0219i rupere. Este, de asemenea, unul dintre cele mai durabile tipuri de lemn. Poate fi folosit la fabricarea mobilierului \u0219i a dulapurilor, pentru structuri interioare, t\u00e2mpl\u0103rie de \u00eenalt\u0103 calitate, u\u0219i, pardoseli \u0219i panouri. Este potrivit pentru combina\u021bii cu lemn de culoare deschis\u0103, pentru crearea unui contrast.<\/li>\n<li>Stejar ro\u0219u<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-5248 size-full\" src=\"https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/11-2.jpg\" alt=\"Red Oak\" width=\"600\" height=\"294\" srcset=\"https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/11-2.jpg 600w, https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/11-2-300x147.jpg 300w, https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/11-2-18x9.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/>Este r\u0103sp\u00e2ndit \u00een estul Statelor Unite. Stejarul ro\u0219u seam\u0103n\u0103 de obicei cu cel alb, dar are pu\u021bine modele vizibile, deoarece razele medulare sunt mai fine. Fibra stejarului ro\u0219u este \u00een mare parte dreapt\u0103, iar textura este aspr\u0103. \u00ce\u0219i datoreaz\u0103 numele frunzelor care devin ro\u0219ii toamna. Prin colorare \u0219i lustruire se poate ob\u021bine o suprafa\u021b\u0103 de calitate. Stejarul ro\u0219u este dur \u0219i greu, cu rezisten\u021b\u0103 medie la \u00eencovoiere \u0219i rigiditate medie.<\/li>\n<li>Stejar alb<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-5249 size-full\" src=\"https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/12-2.jpg\" alt=\"White Oak\" width=\"600\" height=\"295\" srcset=\"https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/12-2.jpg 600w, https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/12-2-300x148.jpg 300w, https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/12-2-18x9.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/>Este r\u0103sp\u00e2ndit \u00een estul Statelor Unite. Stejarul alb are \u00een general fibra dreapt\u0103 \u0219i o textur\u0103 medie spre aspr\u0103. Razele medulare sunt mai lungi dec\u00e2t la stejarul ro\u0219u, astfel c\u0103 stejarul alb prezint\u0103 mai multe modele. Este dur \u0219i greu, cu rezisten\u021b\u0103 medie la \u00eencovoiere \u0219i rigiditate redus\u0103. Duramenul este rezistent la coroziune, iar agentul de tratare anticoroziv p\u0103trunde cu mare dificultate \u00een lemn. Rezisten\u021ba stejarului alb la p\u0103trunderea agentului de tratare anticoroziv este medie.<\/li>\n<li>Ar\u021bar dur<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-5250 size-full\" src=\"https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/13-1.jpg\" alt=\"Hard Maple\" width=\"600\" height=\"292\" srcset=\"https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/13-1.jpg 600w, https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/13-1-300x146.jpg 300w, https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/13-1-18x9.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/>Provine \u00een principal din estul Statelor Unite, fiind r\u0103sp\u00e2ndit mai ales \u00een zona central\u0103, \u00een Atlanta \u0219i \u00een regiunea Marilor Lacuri. Are o textur\u0103 dens\u0103 \u0219i fin\u0103, de obicei cu fibr\u0103 dreapt\u0103, dar poate avea \u0219i fibr\u0103 ondulat\u0103, cu aspect de arc sau cu desen \u201eochi de pas\u0103re\u201d. Lemnul de ar\u021bar dur este tare \u0219i greu, cu rezisten\u021b\u0103 bun\u0103, \u00een special la abraziune \u0219i uzur\u0103, \u0219i rezist\u0103 bine la \u00eendoirea cu abur.<\/li>\n<li>Ar\u021bar moale<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-5251 size-full\" src=\"https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/14-1.jpg\" alt=\"Soft Maple\" width=\"600\" height=\"336\" srcset=\"https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/14-1.jpg 600w, https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/14-1-300x168.jpg 300w, https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/14-1-18x10.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/>Provine \u00een principal din estul Statelor Unite \u0219i se g\u0103se\u0219te mai rar pe coasta de vest (Acer truncatum). Majoritatea propriet\u0103\u021bilor ar\u021barului moale sunt foarte asem\u0103n\u0103toare cu cele ale ar\u021barului dur. De\u0219i este r\u0103sp\u00e2ndit pe o arie larg\u0103, culoarea lemnului difer\u0103 considerabil \u00een func\u021bie de habitat. Duritatea ar\u021barului moale este cu aproximativ 25% mai mic\u0103 dec\u00e2t cea a ar\u021barului dur. Are rezisten\u021b\u0103 medie la \u00eencovoiere \u0219i rupere, rigiditate \u0219i rezisten\u021b\u0103 seismic\u0103 reduse \u0219i rezist\u0103 bine la \u00eendoirea cu abur. Nu este rezistent la coroziune sau la atacul insectelor. Ar\u021barul moale este folosit adesea ca \u00eenlocuitor pentru ar\u021barul dur sau este vopsit pentru a imita alte tipuri de lemn, precum cire\u0219ul. Propriet\u0103\u021bile fizice \u0219i de prelucrare \u00eel fac \u0219i un \u00eenlocuitor potrivit pentru fag.<\/li>\n<li>Fag<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-5252 size-full\" src=\"https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/15-1.jpg\" alt=\"Beech\" width=\"600\" height=\"327\" srcset=\"https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/15-1.jpg 600w, https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/15-1-300x164.jpg 300w, https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/15-1-18x10.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/>Se g\u0103se\u0219te \u00een toat\u0103 Europa. Comparativ cu fagul european, fagul american are o culoare pu\u021bin mai \u00eenchis\u0103 \u0219i o uniformitate ceva mai redus\u0103. Acest lemn are de obicei fibra dreapt\u0103 \u0219i o textur\u0103 compact\u0103 \u0219i uniform\u0103; poate fi vopsit \u0219i lustruit pentru a ob\u021bine o suprafa\u021b\u0103 de calitate. Se usuc\u0103 rapid, dar se deformeaz\u0103 \u0219i crap\u0103 u\u0219or, inclusiv la suprafa\u021b\u0103. Contrac\u021bia este mare, iar varia\u021biile de propriet\u0103\u021bi sunt moderate. Fagul american este un lemn greu, dur, rezistent \u0219i rezistent la \u0219ocuri, foarte potrivit pentru \u00eendoirea cu abur.<\/li>\n<li>Mahon<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-5253 size-full\" src=\"https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/16-1.jpg\" alt=\"Mahogany\" width=\"600\" height=\"309\" srcset=\"https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/16-1.jpg 600w, https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/16-1-300x155.jpg 300w, https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/16-1-18x9.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/>Se g\u0103se\u0219te \u00een Indonezia, Cuba, Brazilia, America Central\u0103 \u0219i Africa. Are fibr\u0103 oblic\u0103, material dens \u0219i uniform, duritate moderat\u0103 \u0219i se sculpteaz\u0103 u\u0219or. Duramenul variaz\u0103 de la ro\u0219u-maroniu deschis la ro\u0219u-maroniu \u00eenchis, de unde \u0219i numele de mahon. Este \u00een prezent un material principal pentru mobilierul de \u00eenalt\u0103 calitate. Fibra lemnului este foarte frumoas\u0103, iar luciul se intensific\u0103 odat\u0103 cu trecerea timpului. Datorit\u0103 texturii fine \u0219i durit\u0103\u021bii ridicate, poate fi sculptat \u00een diverse forme. Durata sa de via\u021b\u0103 poate ajunge la sute de ani. \u00cen casele nobiliare celebre din Europa se \u00eent\u00e2lnesc adesea piese din mahon.<\/li>\n<\/ol>\n<h2>Materiale pentru miezul u\u0219ilor din lemn:<\/h2>\n<ol>\n<li>Lemn cu \u00eembinare \u00een din\u021bi:<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-5254 size-full\" src=\"https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/17.jpg\" alt=\"Finger Joint Wood:\" width=\"500\" height=\"375\" srcset=\"https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/17.jpg 500w, https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/17-300x225.jpg 300w, https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/17-16x12.jpg 16w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/>\u00cembinarea \u00een din\u021bi, ca metod\u0103 de \u00eembinare a lemnului, ofer\u0103 nu doar o conexiune solid\u0103, ci contribuie \u0219i la stabilitatea lemnului. \u00cen general, lemnul folosit pentru acest tip de \u00eembinare este pinul sau bradul chinezesc.<\/li>\n<li>Placaj\/panou multistrat:<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-5255 size-full\" src=\"https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/18.jpg\" alt=\"Plywood\/Multilayer Board:\" width=\"500\" height=\"402\" srcset=\"https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/18.jpg 500w, https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/18-300x241.jpg 300w, https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/18-15x12.jpg 15w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/>Este un tip de panou artificial. Furnirurile lipite, dispuse cu fibrele \u00eencruci\u0219ate, sunt presate la cald sau la rece. Se folosesc frecvent placajul \u00een trei \u0219i \u00een cinci straturi.<\/li>\n<li>MDF:<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-5256 size-full\" src=\"https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/19.jpg\" alt=\"MDF\" width=\"500\" height=\"402\" srcset=\"https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/19.jpg 500w, https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/19-300x241.jpg 300w, https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/19-15x12.jpg 15w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/>Acest panou artificial este fabricat din lemn m\u0103run\u021bit provenit din ramuri, lemn cu diametru mic, specii cu cre\u0219tere rapid\u0103, bambus \u0219i alte materiale vegetale, valorific\u00e2nd astfel resursele limitate de lemn. Suprafa\u021ba este neted\u0103 \u0219i plan\u0103, fiind potrivit\u0103 pentru prelucr\u0103ri ulterioare.<\/li>\n<li>PAL:<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-5257 size-full\" src=\"https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/20.jpg\" alt=\"Chipboard\" width=\"500\" height=\"402\" srcset=\"https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/20.jpg 500w, https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/20-300x241.jpg 300w, https:\/\/nbtengyu.com\/wp-content\/uploads\/2022\/11\/20-15x12.jpg 15w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/>Este un panou artificial fabricat prin presarea resturilor \u0219i a a\u0219chiilor rezultate din prelucrarea lemnului. Are o structur\u0103 relativ uniform\u0103 \u0219i se prelucreaz\u0103 u\u0219or. Poate fi produs \u00een formate mari, \u00een func\u021bie de necesit\u0103\u021bi. PAL-ul finit nu trebuie uscat din nou \u0219i poate fi folosit direct; ofer\u0103 o bun\u0103 absorb\u021bie \u0219i izolare fonic\u0103. Are \u00eens\u0103 \u0219i dezavantaje: marginile sunt aspre \u0219i absorb u\u0219or umezeala; este, de asemenea, mai greu dec\u00e2t alte panouri.<\/li>\n<li>PVC:<br \/>\nPVC este abrevierea pentru r\u0103\u0219ina de policlorur\u0103 de vinil, un polimer termoplastic liniar. PVC-ul se folose\u0219te ca material de baz\u0103, la care se adaug\u0103 plastifian\u021bi, stabilizatori, pigmen\u021bi, materiale de umplutur\u0103, lubrifian\u021bi etc. Dup\u0103 malaxare, amestecare, tragere, granulare \u0219i extrudare sau turnare sub presiune la o anumit\u0103 temperatur\u0103, produsele din plastic se r\u0103cesc \u0219i se \u00eent\u0103resc. Acest material este excelent pentru termoformare \u0219i poate \u00eenlocui unele tipuri de o\u021bel inoxidabil \u0219i alte materiale sintetice rezistente la coroziune. Este utilizat pe scar\u0103 larg\u0103 \u00een industria chimic\u0103, petrolier\u0103, galvanic\u0103, \u00een echipamentele de purificare a apei \u0219i de protec\u021bie a mediului, \u00een minerit, medicin\u0103, electronic\u0103, telecomunica\u021bii \u0219i amenaj\u0103ri interioare.<\/li>\n<\/ol>\n<p>Cele de mai sus sunt c\u00e2teva no\u021biuni de baz\u0103 despre u\u0219ile din lemn. Sper\u0103m c\u0103 v\u0103 vor fi de ajutor!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Termeni \u0219i defini\u021bii pentru u\u0219ile din lemn: U\u0219\u0103 din lemn: u\u0219\u0103 fabricat\u0103 \u00een principal din materiale lemnoase (sc\u00e2nduri, cherestea, lemn sintetic etc.), inclusiv tocul acesteia. Cherestea: lemn fasonat, sub form\u0103 de grinzi sau sc\u00e2nduri, ob\u021binut prin debitarea bu\u0219tenilor \u0219i folosit, \u00een general, la fabricarea mobilierului din lemn masiv \u0219i a furnirului. Furnir: se ob\u021bine din [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":12173,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"iawp_total_views":1,"footnotes":""},"categories":[760],"tags":[],"class_list":["post-12172","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"_links":{"self":[{"href":"https:\/\/nbtengyu.com\/ro\/wp-json\/wp\/v2\/posts\/12172","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nbtengyu.com\/ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nbtengyu.com\/ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nbtengyu.com\/ro\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/nbtengyu.com\/ro\/wp-json\/wp\/v2\/comments?post=12172"}],"version-history":[{"count":1,"href":"https:\/\/nbtengyu.com\/ro\/wp-json\/wp\/v2\/posts\/12172\/revisions"}],"predecessor-version":[{"id":12174,"href":"https:\/\/nbtengyu.com\/ro\/wp-json\/wp\/v2\/posts\/12172\/revisions\/12174"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbtengyu.com\/ro\/wp-json\/wp\/v2\/media\/12173"}],"wp:attachment":[{"href":"https:\/\/nbtengyu.com\/ro\/wp-json\/wp\/v2\/media?parent=12172"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbtengyu.com\/ro\/wp-json\/wp\/v2\/categories?post=12172"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbtengyu.com\/ro\/wp-json\/wp\/v2\/tags?post=12172"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}