Forming Methods
- Created by: RosiePosiePuddingAnd3.14159
- Created on: 26-04-16 09:07
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- Forming
- Blow Moulding
- Liquid plastic is placed into the mould
- A tube is inserted into the plastic and air is released
- The plastic then expands to fill the shape of it's mould
- Used to make bottles, both plastic and glass
- Injection Moulding
- Uses heating elements to melt plastic granuales
- The granules are held in the Hopper
- The liquid plastic is injected into a mould under high pressure
- By a hydraulic ram, after the granules have been melted
- The plastic will retain its original properties when it hardens
- The granules are pulled through the heating chamber by archimedes screw
- Uses heating elements to melt plastic granuales
- Vacuum Forming
- Introduce a flat peice of polymer onto an air tight surface
- The polymer is heated up until it is soften
- A mould is intruduced next to the polymer,
- Then the air is evacuated and the mould is removed
- Blow Moulding
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