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Understanding Air Traps in Molding by Aabraham Samraj Ponmani is a document available to read on EtoBox.
What is Understanding Air Traps in Molding about?
An air trap is air that becomes trapped inside a mold cavity during plastic injection molding. It occurs when air cannot escape through vents or mold inserts as polymer melt fills the cavity. Air traps cause defects like voids, bubbles, or burn marks. To prevent air traps, manufacturers can modify part and mold designs, as well as molding conditions, such as slowing injection speed or enlarging vents in areas that fill last.
- Author
- Aabraham Samraj Ponmani
- Language
- EN