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The mold halves are clamped by ________ in gravity die casting.

(a) Lathes

(b) Pneumatic

(c) Toggles

(d) Lathes, Pneumatic and Toggles

This question was posed to me during an interview for a job.

This intriguing question comes from Gravity Die Casting topic in portion Moulding Machines & Special Moulding Processes of Foundry and Forging

1 Answer

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Best answer
The correct choice is (d) Lathes, Pneumatic and Toggles

Easiest explanation: In a gravity die casting, the two mould halves present are securely clamped before the pouring operation takes place. Simple mechanical clamps (latches, toggle clamps etc.) are adequate for small moulds where as larger permanent moulds need pneumatics or power clamping methods.

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