Forming Techniques

This is a table that I made of the forming techniques for graphics gcse (edexcel). I hope you find it useful.

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  • Created by: Mimi
  • Created on: 07-04-13 14:59
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Process Uses Advantages Disadvantage Polymers
s Used
Plastic Bottles Intricate shapes can be High initial set-up HDPE, LDPE,
and containers of formed costs as mould PET, PP, PS,
all sizes and Can produce hollow expensive to PVC
Blow shapes (e.g. fizzy shapes and thin walls to develop and
Moulding drinks bottles reduce weight and produce
and shampoo material costs
bottles) Ideal for mass
production ­ low unit
cost for each moulding
Casings for Ideal for mass High initial set-up Nylon, ABS, PS,
electronic production ­ low unit costs as mould HDPE, PP
products, cost for each moulding expensive to
Injection containers for for high volumes develop and
Moulding storage and Precision moulding ­ high produce
packaging quality surface finish or
texture can be added to
the mould
Chocolate box Ideal for batch Mould needs to be Acrylic, PS,
trays, yoghurt production- inexpensive accurate to prevent HIPS, PVC
pots, blister Relatively easy to make webbing
Vacuum packs, etc. moulds that can be Large amounts of
Forming modified waste material
produced
Brochure/Menu/ Ideal for one-off and Bends must be Acrylic, PS,
Business Card batch productions accurately marked HIPS, PVC
Holders, shop Straight bends are before folding
Line signage produced efficiently Acrylic can bubble if
Bending Precise temperature overheated
control over the heated Formed bend has to
area gives a neat, be allowed to cool
precise bend for some time in the
Set-up costs are low exact position or it
Computer-controlled line springs back slightly
bending allows precise
components to be
formed time and again
Forming Techniques

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