AQA GCSE Design and Technology · 8552
Paper 1
Revise: Shaping, casting and joining metalsThe liquid metal enters a mould cavity, cools and solidifies. The cavity determines the resulting shape. This makes casting useful for complex components that would require substantial material removal if machined from a solid block.
- Revise: Commercial processes for polymers
The shaped space inside a mould that fills with polymer and determines the form of the moulded component.