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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
skrue rejse
Manufacturing; Plastic injection molding
Afstanden skruen rejser frem når fylde formen hulrum.
underløb
Manufacturing; Plastic injection molding
Den dominerende flow af to konfrontere flyder over den anden. Mindre strømmen vender retning giver dårlig overflade udseende og strukturel styrke. Underløb bør undgås ved at placere gates, således at ...
sprue
Manufacturing; Plastic injection molding
Tragt åbning i sprøjtestøbning mellem dyse og hulrum eller runner systemet.
pakning
Manufacturing; Plastic injection molding
Påfyldning af skimmel hulrum eller hulrum så fulde som muligt uden at forårsage unødig stress på formene eller forårsager flash skal vises på de færdige dele. Over eller under packing resultater i ...
lukketryk
Manufacturing; Plastic injection molding
Den kraft, formen til at holde det lukket i opposition til det væsketryk komprimeret molding materiale i formen hulrum og runner system.
stress
Manufacturing; Plastic injection molding
Den kraft, producerer eller tendens til at producere deformation i et organ, der er målt ved den kraft per arealenhed.
Cross-Linking
Manufacturing; Plastic injection molding
Dannelse af kemiske forbindelser mellem de molekylære kæder i polymerer. Denne proces kan opnås ved kemisk reaktion, vulkanisering og elektron bombardement.
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