2.4 + 2.5 Flashcards
(29 cards)
what are the primary source of timber bases materials
trees
where do sofwoods come from
cooler climates
where do hardwoods come from
hotter climates
what does FSC stand for
forestry stewardship concil
what doed felled mean
cut down
what can a tree be felled
when it reaches its maturity
what is the baulk timber cut and what are its uses
The tree is simplily ctu into a sqaure or a rectangle removing the bark and evens up the trunk
used for construction beams
what is the through and through timber cut and what are its uses
Involves sawing the wood into planks, it is a simple and cost effective method, however it can lead to warping
used for general joinery
what is the tangential timber cut and what are its uses
the trunk is cut tangentially to the circular trunk. This produces and attractive grain which is less likley to warp
furniture
what is the qauter timber cut and what are its uses
it produces alot of waste. The trunk is cut radially from teh centre
high quality furniture
what is green timber
a wood that has not been seasoned
what is air seasoning
a natural method of drying out green timber
what is kiln seasoning
a quick method of trying out green timber using steam
why do you season wood
to remove the mositure content of the wood
how is MDF made
compressing wood particles together and glueing them
how is plywood made
gluing three of more veneers of wood at 90 degree angles from the previous layer to increase strength
how is chipboard made
glueing wood chips together
what is an ore
a roch which contains metal
what is smelting
the process of extracting metal from a ore
what is chipboard used in
manufacuture of flat pack furniture
what is a tennon saw
most commonly used saw and gives a smooth cut
what is the coping saw used for
cutting curves
what is the disc sander
a very quick and effective way of shaping wood
what does plane do
slices away thing shavings of wood all planing should be done in the same direction of the plane
