Friday, June 15, 2012

Articles on wood

Articles on wood

The timber base material in the work of carpentry, which is divided into two branches in the classification:1 - armed carpenter: Alheikml concrete for the work.2 - (furniture joinery (carpentry finishing: the work of furniture, and doors .... etc..• For each type of business that uses a certain type of wood, which are divided into:



Types of wood:• First use by:Divided by timber used to:1 - timber construction: wood is used in manufacturing of the structure of the building such as templates, concrete and wood trusses for buildings of wood, where wood is the main structural element in the building.2 - Architectural Wood: Wood is used in manufacturing furniture and fixtures and interior doors .... Etc..• Second by density Quality:Divided by density wood quality to:1 - soft wood and density 400 kg / m ³2 - steel and wood density of 760 kg / m ³• wood is obtained from certain trees of limited life and thoughtful and then cut these trees and put in oven to dry and to reduce the moisture content depending on the nature of the use and the allowable ratio after drying.• Wood is cut according to required shapes and sizes and after drying in order to ensure the accuracy of measurements and does not buckle after dry wood and change its shape.• Third, according to the source:Classified according to the source timber to:1 - Authentic wood: the wood taken from trees directly.2 - boat timber: a timber manufactured from wood residues and wood variety (sawdust), such as plywood, Mdf WoodStages of the production process of natural wood:

 
1 - Trees: The main source of natural wood2 - Cutting: The process of logging their locations (forest)3 - Transfer: The process of transfer of the trees harvested from forest to factory4 - Drying: The process of removing moisture (water) of the trees and made the initial drying in the sun and put the trees cut in furnaces designed for the5 - formation: The process of cutting trees on demand to a variety of formats, 
including panels and Alemraabie and solid blocks .... Etc



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