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PLASTICS - Coggle Diagram
PLASTICS
formation techniques
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vacuum forming
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We extract the air below the sheet so that the plastic is pulled against
the inside walls of the shaped mould, and the desired form is created
We leave the mould to cool, then remove the object
extrusion
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Finally, we collect the pieces of plastic through a feeder system.
We apply pressure by means of a large, rotattng screw, which forces
the melted matenal out, through a nuzzle.
We put thermoplastic, in granular form, into a previously heated
cylinder
moulding
blow moulding
We close the mould and blow pressurised air into it, so that the
plastic adheres to the sides of the mould and takes its shape.
When the object is cold, we remove it from the mould.
We put a tubular-shaped piece of plastic into a hollow mould which
has the same shape as the object that we want to make
compression
We put thermostable plasuc, which can be in granular form,
into the base of a cavity mould.
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the outer part of the cavity mould, shaped the same, is closed to compress the material inside. We thean heat it and it becomes soft and malleable.
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injection
When the material has cooled and solidified, we extract it from the
mould
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