black injection molding plastic housing shell
2 week ago


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Wall Thickness: Must be uniform (typically 2-4mm) to prevent sinks and warps.
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Draft Angles: Walls need a slight angle (1-2°) for easy ejection from the mold.
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Ribs & Bosses: Used to add strength without increasing wall thickness.
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Corner Radii: Rounded corners strengthen the part and improve plastic flow.
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Undercuts: Minimize them, as they complicate the mold and increase cost.




Applications
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Electronics enclosures (laptops, routers, remote controls).
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Automotive interior/exterior trim.
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Household appliances.
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Consumer product housings.




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