Question

Splash core is used _____

(a) to reduce the eroding force of the liquid metal

(b) to make the flow smooth and slow

(c) to remove dross from the molten metal

(d) to prevent heavier impurities from entering the mould

This question was posed to me in homework.

My question comes from Aspiration Effect topic in portion Pouring – Gating Design, Melting Furnaces, Melting and Casting Quality of Casting-Forming-Welding I

Answer 1

Right option is (a) to reduce the eroding force of the liquid metal

Explanation: A ceramic splash core is placed at the end of the sprue reduces the eroding force of the liquid metal stream. It acts the same as pouring basin that also reduces the eroding force of the liquid metal coming directly from the furnace as well as maintains a constant pouring head.