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2. Design of plastic components - Wikipedia

   en.wikipedia.org/wiki/Design_of_plastic_components

   Draft angle design is an important factor when designing plastic parts. Because of shrinkage of plastic material, injection molded parts have a tendency to shrink onto a core. This creates higher contact pressure on the core surface and increases friction between the core and the part, thus making ejection of the part from the mold difficult.

3. 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.

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. 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 ...

6. Thin-wall injection molding - Wikipedia

   en.wikipedia.org/wiki/Thin-wall_injection_molding

   Thin wall injection molding is a specialized form of conventional injection molding that focuses on mass-producing plastic parts that are thin and light so that material cost savings can be made and cycle times can be as short as possible. Shorter cycle times means higher productivity and lower costs per part. [1]

7. Gas-assisted injection molding - Wikipedia

   en.wikipedia.org/wiki/Gas-assisted_injection_molding

   In gas-assisted molding, the plastic material is injected into the mold cavities like the regular injection molding process but only up to 70%~80% of the mold volume. The melted plastic in contact with the mold walls begins to solidify, then nitrogen gas is injected into the mold through strategically designed and placed gas inlets, providing ...