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Removing of mandrel after the drawing process may disturb the dimensional tolerances.

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in Casting-Forming-Welding II by (119k points)
Removing of mandrel after the drawing process may disturb the dimensional tolerances.

(a) True

(b) False

This question was addressed to me in an internship interview.

My enquiry is from Tube Making in section Miscellaneous Forming Processes of Casting-Forming-Welding II

1 Answer

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Best answer
The correct answer is (a) True

Explanation: After tube drawing process, the mandrel should be removed from the tube which can be done by the reeling process. The removing process increases the tube diameter and also disturbs the dimensional tolerances. So, great care should be taken while extracting out the mandrel from the inside of tube.

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