Extrusion (thermoplastics) Flashcards
1
Q
Define extrusion
A
Extrusion pushed soft heated plastic out through a die opening to make long bars or sheets
2
Q
What does extrusion produce?
A
Long products with the same cross-section
3
Q
List some examples of products produced by extrusion
A
pipes, gutters, sheets, curtain rails, windscreen wipers, window frames, insulated wires
4
Q
What types of thermoplastics are used for extrusion?
A
Acrylic, nylon, PVC, PE, PS, ABS, TPE
5
Q
What must be labelled on a diagram for extrusion?
A
loading hopper, screw, molten plastic, watercooling, sprue, heater, die, granular thermoplastic, lead screws, motor,
