The plastic extrusion process utilises ancillary equipment to produce products such as tubing, pipes, and profiles. Unlike injection moulding or similar processes that rely on repeated “cycles” of mould-filling and part-extraction, extrusion is a process that is ideal for producing products continuously, with high quality, and in very high volumes. Extrusion creates product continuously through the constant rotation of the resin compressing screw. The process uses a die that molten plastic is pushed through to create a specific shape and thickness.
Thermoforming is a manufacturing process by which a plastic sheet is heated until it can bend. It is then formed into a specific shape using a mould, trimmed and cooled back into a solid. While it uses a mould like plastic injection moulding, the main difference is that the plastic remains in a solid, albeit softened state, rather than being fully melted into a liquid. Plastic thermoforming is often used to make prototypes or smaller order sizes. However, larger orders can also be achieved through a continuous high-speed process.
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