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Plastic Injection Molding Author : material.eng.usm

WHAT IS THIS DOCUMENT ABOUT? :

is a manufacturing technique for making parts from thermoplastic and thermoset materials
In contrast to the extrusion (which makes continuous parts of constant cross section), injection molding make discrete parts (with complex and variable cross section)
Molten plastic is injected at high pressure into a mold, which is the inverse of the desired shape.
The mold is made from metal, usually either steel or aluminium
widely used for manufacturing a variety of parts, from the smallest component to entire body panels of cars

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file credit : material.eng.usm
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file link is informed by: mold engin, http://mould-technology.blogspot.com/

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