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Which of the following gates ensures cleaner castings?

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+1 vote
in Foundry and Forging by (110k points)
Which of the following gates ensures cleaner castings?

(a) Edge gate

(b) Branch gate

(c) Strainer gate

(d) Horn gate

I have been asked this question during an online interview.

My question is taken from Types of Gates in division Concept of Gating and Risering of Foundry and Forging

1 Answer

+1 vote
by (736k points)
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Best answer
Correct choice is (b) Branch gate

For explanation I would say: Slag and liquid metal flow in the runner and rise up in the riser in the branch gate. Thus all the slag goes to the top portion of the riser. Because of all the in-gates, the clean liquid metal enters the mould cavity and produces sound castings.

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