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High spinning is needed in semi-centrifuge casting.

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in Foundry and Forging by (110k points)
High spinning is needed in semi-centrifuge casting.

(a) True

(b) False

This question was posed to me during an internship interview.

The origin of the question is Centrifuging Processes topic in portion Moulding Machines & Special Moulding Processes of Foundry and Forging

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Correct answer is (b) False

For explanation: Spinning speeds in the semi centrifuge casting need not be as high as those used for true centrifuge castings. A linear speed of the order of 180-200 rpm at the outside edge of the casting is generally recommended.

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