What is the primary function of a riser in a sand casting mold?

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Physics · Metal Casting

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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To act as a reservoir that feeds molten metal to prevent shrinkage cavities

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Answer 1

To provide rapid differential cooling rates in specific zones of the mold

Answer 2

To create internal holes or hollow cavities within the casting

Answer 3

To act as a reservoir that feeds molten metal to prevent shrinkage cavities

Answer 4

To provide high fluidity and mobility to the molten metal

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