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  2. 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 ...

  3. Plastic model kit - Wikipedia

    en.wikipedia.org/wiki/Plastic_model_kit

    Unassembled parts of a Hasegawa 1/72 F/A-18E kit. The frame surrounding the various parts is called the injection moulding "runner" or "sprue" The first plastic models were injection molded in cellulose acetate (e.g. Frog Penguin and Varney Trains), but currently most plastic models are injection-molded in polystyrene, and the parts are bonded together, usually with a plastic solvent-based ...

  4. Sand casting - Wikipedia

    en.wikipedia.org/wiki/Sand_casting

    Sand casting, also known as sand molded casting, is a metal casting process characterized by using sand—known as casting sand—as the mold material. The term "sand casting" can also refer to an object produced via the sand casting process. Sand castings are produced in specialized factories called foundries. In 2003, over 60% of all metal ...

  5. Injection molding machine - Wikipedia

    en.wikipedia.org/wiki/Injection_molding_machine

    An injection molding machine (also spelled as injection moulding machine in BrE), also known as an injection press, is a machine for manufacturing plastic products by the injection molding process. It consists of two main parts, an injection unit and a clamping unit .

  6. Core (manufacturing) - Wikipedia

    en.wikipedia.org/wiki/Core_(manufacturing)

    A core is a device used in casting and moulding processes to produce internal cavities and reentrant angles (an interior angle that is greater than 180°). The core is normally a disposable item that is destroyed to get it out of the piece. [1] They are most commonly used in sand casting, but are also used in die casting and injection moulding.

  7. Multi-material injection molding - Wikipedia

    en.wikipedia.org/wiki/Multi-material_injection...

    Multi-material injection molding (MMM) is the process of molding two or more different materials into one plastic part at one time. [1] As is the case in traditional injection molding, multi material injection molding uses materials that are at or near their melting point so that the semi-liquidous material can fill voids and cavities within a pre-machined mold, thus taking on the desired ...

  8. Transfer molding - Wikipedia

    en.wikipedia.org/wiki/Transfer_molding

    Transfer molding (BrE: transfer moulding) is a manufacturing process in which casting material is forced into a mold. Transfer molding is different from compression molding in that the mold is enclosed [ 1 ] rather than open to the fill plunger resulting in higher dimensional tolerances and less environmental impact. [ 2 ]

  9. Micro injection molding - Wikipedia

    en.wikipedia.org/wiki/Micro_injection_molding

    Micro injection molding is widely used for parts and devices in the medical, pharmaceutical, electronics, automotive, optical and other industries. In general, the medical micro injection molding market is the leading one, due to an increase in the usage of sophisticated micro components for endoscopic surgery, minimally invasive treatments ...

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