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  2. Fiberglass molding - Wikipedia

    en.wikipedia.org/wiki/Fiberglass_molding

    Fiberglass molding is a process in which fiberglass reinforced resin plastics are formed into useful shapes. [ 1 ] The process usually involves first making a mold and then using the mold to make the fiberglass component.

  3. Molding (process) - Wikipedia

    en.wikipedia.org/wiki/Molding_(process)

    A mold or mould is a hollowed-out block that is filled with a liquid or pliable material such as plastic, glass, metal, or ceramic raw material. [2] The liquid hardens or sets inside the mold, adopting its shape. A mold is a counterpart to a cast. The very common bi-valve molding process uses two molds, one for each half of the object.

  4. Rotational molding - Wikipedia

    en.wikipedia.org/wiki/Rotational_molding

    The mold was made of electroformed nickel-copper and the plastic was a liquid polyvinyl chloride (PVC) plastisol. The cooling method consisted of placing the mold into cold water. This process of rotational molding led to the creation of other plastic toys.

  5. Blow molding - Wikipedia

    en.wikipedia.org/wiki/Blow_molding

    After the plastic has cooled, the mold is opened and the part is ejected. [2] "Straight extrusion blow molding is a way of propelling material forward similar to injection molding whereby an Archimedean screw turns, feeding plastic material down a heated tube. Once the plastic is melted the screw stops rotating and linearly moves to push the ...

  6. 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 ...

  7. Fiberglass spray lay-up process - Wikipedia

    en.wikipedia.org/wiki/Fiberglass_spray_lay-up...

    Diagram of spray-up process. Spray-Up also known as chop method of creating fiberglass objects by spraying short strands of glass out of a pneumatic gun. This method is used often when one side of the finished product is not seen, or when large quantities of a product must be made cheaply and quickly with moderate strength requirements. [1]

  8. Injection mold construction - Wikipedia

    en.wikipedia.org/wiki/Injection_mold_construction

    The material enters the mold through the sprue bush. Top plate—It is used to clamp the top half of the mold to the moving half of the molding machine and is usually made of mild steel. Cavity plate—The plate used to create a cavity (via a gap) that will be filled with the plastic material and form the plastic component. Usually made of mild ...

  9. Plastic forming machine - Wikipedia

    en.wikipedia.org/wiki/Plastic_forming_machine

    Plastic forming machines, or plastic molding machines, were developed on the basis of rubber machinery and metal die-casting machines. After the inception of the polymer injection molding process in the 1870s, plastic-forming machines were rapidly developed up until the 1930s.

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