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Plastic injection molding
Plastic injection molding is the primary process for manufacturing plastic parts used in consumer goods such as computer keyboards, monitors, bottle caps, cups and solid plastic articles. Plastic is known to be a very versatile and economical material that is used in many applications. Injection molding involves taking plastic in the form of pellets or granules and heating this material until a melt is obtained. Then the melt is forced into a split-die chamber/mold where it is allowed to "cool" into the desired shape. The mold is then opened and the part is ejected, at which time the cycle is repeated.
Industry: Manufacturing
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Plastic injection molding
Stack moulds
Manufacturing; Plastic injection molding
Two or more moulds of a similar type that are positioned one behind the other to allow for additional parts to be manufactured during a cycle.
Ring gate
Manufacturing; Plastic injection molding
Used on some cylindrical shapes. This gate encircles the core to permit the melt to first move around the core before filling the cavity.
Diaphragm gate
Manufacturing; Plastic injection molding
Used in symmetrical cavity filling to reduce weld-line formations and improve filling rates.
Flow marks
Manufacturing; Plastic injection molding
Wavy surface appearances on a moulded part caused by improper flow of the melt into the mold.
Plasticize
Manufacturing; Plastic injection molding
To render a material softer, more flexible and/or more moldable by the addition of a plasticizer.
Tensile modulus
Manufacturing; Plastic injection molding
The ratio of nominal stress to the corresponding strain below the proportional limit of a material.
Modulus of elasticity
Manufacturing; Plastic injection molding
The ratio of nominal stress to the corresponding strain below the proportional limit of a material.
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