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  2. Injection mold construction - Wikipedia

    en.wikipedia.org/wiki/Injection_mold_construction

    Injection mold construction is the process of creating molds that are used to perform injection molding operations using an injection molding machine. These are generally used to produce plastic parts using a core and a cavity. Molds are designed as two-plate or three-plate molds, depending on the type of component to be manufactured.

  3. Sprue (manufacturing) - Wikipedia

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

    Plastic sprue. In injection molding, sprue refers to the passage through which a liquid material (such as polystyrene or polyvinyl chloride) flows into a die, where the material solidifies to form parts. Sprue also refers to the material that solidifies in these passages, forming a framework that attaches the parts in a roughly planar arrangement.

  4. 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 ...

  5. Injection molding machine - Wikipedia

    en.wikipedia.org/wiki/Injection_molding_machine

    Paper clip mold opened in molding machine; the nozzle is visible at right A injection molding machine with a robot. 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 ...

  6. Injection molding of liquid silicone rubber - Wikipedia

    en.wikipedia.org/wiki/Injection_molding_of...

    As injections are carried out at high temperature, steel dilation and natural shrinkage of materials must be considered at the design stage of the LSR injection tooling. [6] From the metering section of the injection molding machine, the compound is pushed through cooled sprue and runner systems into a heated cavity where the vulcanization ...

  7. Micro injection molding - Wikipedia

    en.wikipedia.org/wiki/Micro_injection_molding

    The basic concept of the micro injection molding process is quite similar to the regular injection molding process. In this process, a micro injection unit is integrated in the injection molding machine. When it comes to the production of micro components the machine and process technology mainly depend on the below points: [citation needed]

  8. Hot runner - Wikipedia

    en.wikipedia.org/wiki/Hot_runner

    By contrast, a cold runner is simply a channel formed between the two halves of the mold, for the purpose of carrying plastic from the injection molding machine nozzle to the cavities. Each time the mold opens to eject the newly formed plastic parts, the material in the runner is ejected as well, resulting in waste.

  9. Purging (manufacturing) - Wikipedia

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

    Turn off the material flow in the injection molding machine; Turn off the colorant flow which is added or applied in order to change the colour of a material; Maintain existing process settings and continue manufacturing plastics parts; When last part is completed, set the nozzle retraction mode; Clean hopper and colorant blender (whichever ...

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