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What is Molded-Part Variation in Foam Processes about?

Foamed parts in injection molding can reduce molded-in stresses due to lower pressure, but they often have rough surfaces with potential blemishes. Techniques exist to achieve smoother surfaces by using two injection units, combining unfoamed and foamed materials. However, the introduction of gas in foamed and gas-assisted parts can lead to reduced strength and stiffness due to the displacement of resin with gas.

Author

abdullaawwad1988

Language

EN