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WOOD AND ITS DERIVATES

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by

Dani Úbeda

on 17 February 2014

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Transcript of WOOD AND ITS DERIVATES

WOOD AND ITS DERIVATES
Properties
PHYSICAL: Good for thermal and electrical
insulation;porus, hard material.
Hardness: Wood is hard.
Density: Wood is less dense than water. Electrical insulation: Dry wood provides good electrical insulation.
Thermal insulation: Wood provides good thermal insulation.
Porosity: Wood can absorb on emit liquids or gases.
Mechanical Resistance: Wood has good mechanical resintance agains the forces of traction.
Color and Grain: Wood has aesthetic qualities: a variety of colours and grains.

ECOLOGICAL: Biodegradable, renewable and recyclable material.
HOW TO PROCESS WOOD
1 :Cutting and pruning, 2: Transport, 3: Removing the bark,4: Sawing,5: Drying, 6: Planing.

Classification of wood
Hardwood
: Decidius trees.
They grow slowly and have thick.
They contain little resin.
They are compact and resistent.


Softwood
: They grow quickly.
They are ligth and easy to work with because they are less resintent.




WOOD DERIVATES
EQUIPAMENT AND TOOLS


Measuring, markin and drawing.
Securing.
Cutting and sawing.
Driling.
Carving or levelling.
Planing or sanding.
Joining pices.
WOOD AND ITS DERIVATES
Wood is a raw vegetable material.
It comes from the trunks of trees
and bushes.
HARDWOODS
SOFTWOOD
These do not come directly from the cut logs,
but from wood sheets, fibres or chips that are compressed and glued together.
PINE
OAK
TOOLS
TOPIC PHOTOS
CICLE OF PAPERS
Full transcript