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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
minimumsspecifikationer
Manufacturing; Plastic injection molding
De minimumsværdier, som regel af mekaniske egenskaber, som et stof skal opfylde ved kvalitetssikring inden afsendelse.
overgangen temperatur
Manufacturing; Plastic injection molding
Den temperatur, hvor en polymer ændres fra (eller til) en tyktflydende eller gummiagtig tilstand (eller fra) en hård og relativt sprøde.
skimmel temperatur
Manufacturing; Plastic injection molding
den temperatur, hvor formen er bevaret. Ofte den vigtigste fordel af at hæve skimmel temperatur er at det giver langsommere injektion uden plast bliver alt for koldt.
omgivende temperatur
Manufacturing; Plastic injection molding
Temperaturen for et medium omkring et objekt. Udtrykket bruges ofte til at betegne fremherskende stuetemperatur.
fryse off
Manufacturing; Plastic injection molding
temperaturen af materialet, der er reduceret til det punkt, at det blokerer et område det ville fylde, hvis det blev varmere.
Anisotropy
Manufacturing; Plastic injection molding
Et materiale tendens til at reagere forskelligt på understreger anvendes i forskellige retninger.
smelte styrke
Manufacturing; Plastic injection molding
Styrken af den plast, mens i smeltet tilstand. Dette er en relevant faktor i ekstrudering, slag formemaskine og tegning af smeltet harpiks fra en dør.
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