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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
proportional limit
Manufacturing; Plastic injection molding
The greatest stress which a material is capable of sustaining without deviation from proportionality of stress and strain. (Hooke's Law).
continuous service temperature
Manufacturing; Plastic injection molding
The highest temperature at which a material can perform reliably in long term application - as defined by the manufacturer.
yield elongation
Manufacturing; Plastic injection molding
The increase in distance between two gauge marks at a yield point divided by the original distance between the marks. A zero value indicates that it measured less than one.
break elongation
Manufacturing; Plastic injection molding
The increase in distance between two gauge marks at the break point divided by the original distance between the marks. A zero value in the field indicates that it measured less than one.
multi-shot molding
Manufacturing; Plastic injection molding
The injection of two-or-three materials, in sequence, into a single mold during a single molding cycle. The injection molding machine is equipped with two-or-three plasticators. (See also ...
stationary platen
Manufacturing; Plastic injection molding
The large front plate of an injection molding press to which the front plate of the mold is secured. This platen does not move during normal operation.
clamping area
Manufacturing; Plastic injection molding
The largest rated molding area an injection press can hold closed under full molding pressure.
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