What is the primary purpose of providing a draft allowance on a casting pattern?

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Physics · Engineering Physics

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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Correct answer

To facilitate easy pattern withdrawal without damaging the mold cavity

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Answer 1

To compensate for volumetric contraction during cooling

Answer 2

To significantly improve the surface finish of the cast component

Answer 3

To facilitate easy pattern withdrawal without damaging the mold cavity

Answer 4

To increase the structural strength of the sand mold cavity boundaries

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