Electronics - created from Mind Map

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Materials

Plastics

Timbers

Smart Materials

Metals

Thermo-plastics

Thermo-setting

Can be heated and shaped many times

HIPS

Acrylic

Can only be heated and shaped once

epoxy resin

GRP

softwoods

hardwoods

pine

oak

thermo-colour sheet

piezo

Non - ferrous metals

Ferrous metals

contain no iron and aren't attracted to magnets

copper

contain iron and are attracted to magents

mild steel

injection moulding

1 - plastic powder is fed from the hopper into a hollow steel barrel

2 - the heaters melt as the screw moves it along towards the mould

3 - one enough melted plastic has accumulated , the hydraulic system forces the plastic into the mould

4 - pressure is maintained on the mould until its cool enough to be opened

Electronics