Design and Technology GCSE
Extrusion
What Extrusion means in Design and Technology GCSE, as defined for Pearson Edexcel.
Definitions of Extrusion
Exam boards and our study guides word this term in slightly different ways. Learn the version your board uses.
A continuous manufacturing process where molten polymer is forced through a shaped nozzle (spinneret) to create continuous filaments.
A process used to create objects of a fixed cross-sectional profile by pushing material through a die of the desired cross-section.
Topics that use Extrusion
- Metals: Alternative processes that can be used to manufacture ferrous and non-ferrous metal products to different scales of production (Pearson Edexcel GCSE)
- Textiles: Alternative processes that can be used to manufacture typical textile products to different scales of production (Pearson Edexcel GCSE)
Related terms
- Forging
- Jig
- Sintering
- Sub-assembly
- Tolerance
- CAM (Computer-Aided Manufacturing)
- Die Casting
- Die Cutting (Stamp Cutting)
Using Extrusion in the exam
Definition questions usually carry one or two marks, and examiners look for the precise wording. Write the definition from memory, check it against the version above, and then use the term in a longer answer on the same topic so it sticks.
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