518402
Descrição
Mapa Mental por Emily Armstrong, atualizado more than 1 year ago
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Criado por Emily Armstrong
quase 11 anos atrás
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RESTANT
MATERIALS 3
- PROPERTIES OF METALS
- Melting point- how high is
the melting point e.g steel
has a high melting
- Hardness- how britil is
something is (soft or hard)
- Ductility-how easy something
is to bend,streatch
- Maleability- how easy is it
to mold and shape/bend
- Electrical couductivity- does it
conduct electrity e.g copper
- Aesthetics/Appearance-is it
shiny,smooth and what colour
- Resistant to corrosion -is it
got a coating e.g plastic and
does it rust
- Magnetic properties -some
metals are affected by
magnetic properties
- Melting point- how high is
the melting point e.g steel
has a high melting
- DIFFERENT SHAPES
OF METAL
- Angle section
- Chanel section
- T section
- Tube
- Flat ship
- Rod
- Sheet
- I beam
- Box section
- Angle section
- POWER TOOLS IN
THE WORK SHOP
- The circular saw- cuts straight
line accurately. Can prepare large
sheets of wood. Cuts lengthe
ways or across the grain
- Extraction-it is very important to
keep the machine shop safe. It
takes dust and shavings away.It is
stande for the law.
- Planer thickness-
cutting blade rotate and
remove material planes
down automatically to
set thickness.Produces
a very clean surface on
the side.Will not rake
twist out of a piece of
wood.
- Band saw- Cuts curves very well. Very useful
and efficient. Use a fence and guide to get a
better, more accurate,cut extracted too-to the
side.Maximum throat size is...30cm
- Belt sander-sands the
surface.Go with the grain.Don't
start without holding on!!!
- Biscuit jointer-cuts a slot
receive a biscuit.The biscuit
will swell up when glued into
the joint.Can be adjusted to
the right depth
- The circular saw- cuts straight
line accurately. Can prepare large
sheets of wood. Cuts lengthe
ways or across the grain
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