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2. Rotational molding - Wikipedia

   en.wikipedia.org/wiki/Rotational_molding

   A three-motor powered (tri-power) rotational-molding or spin-casting machine. Rotational molding (BrE: moulding) involves a heated mold which is filled with a charge or shot weight of the material. It is then slowly rotated (usually around two perpendicular axes), causing the softened material to disperse and stick to the walls of the mold ...

3. Society of Plastics Engineers - Wikipedia

   en.wikipedia.org/wiki/Society_of_Plastics_Engineers

   The SPE Foundation supports the development of plastics professionals by funding quality educational programs, grants and scholarships emphasizing science, engineering, sustainability, and manufacturing while working to create inclusive opportunities for students around the world.

4. Plastics industry - Wikipedia

   en.wikipedia.org/wiki/Plastics_Industry

   The plastics industry manufactures polymer materials—commonly called plastics—and offers services in plastics important to a range of industries, including packaging, building and construction, electronics, aerospace, manufacturing and transportation.

5. Injection moulding - Wikipedia

   en.wikipedia.org/wiki/Injection_moulding

   Injection moulding (U.S. spelling: injection molding) is a manufacturing process for producing parts by injecting molten material into a mould, or mold. Injection moulding can be performed with a host of materials mainly including metals (for which the process is called die-casting ), glasses , elastomers , confections , and most commonly ...

6. Centrifugal casting (industrial) - Wikipedia

   en.wikipedia.org/wiki/Centrifugal_casting...

   Cylinders and shapes with rotational symmetry are most commonly cast by this technique. Long castings are often produced with the long axis parallel to the ground rather than standing up in order to distribute the effect of gravity evenly. Thin-walled cylinders are difficult to cast by other means.

7. Plastic extrusion - Wikipedia

   en.wikipedia.org/wiki/Plastic_extrusion

   Cross-section of a plastic extruder to show the screw Short video on injection molding (9 min 37 s). Plastics extrusion is a high-volume manufacturing process in which raw plastic is melted and formed into a continuous profile.