Founding. A narrow vertical channel at the top of a mould acting as a reservoir to feed a casting as it cools and contracts, and to add to the…
| 单词 | θ216342 |
| 释义 | society > occupation and work > materials > derived or manufactured material > metal > metal in specific state or form > [noun] > molten metal > head or supply of (3) head1838 Founding. A narrow vertical channel at the top of a mould acting as a reservoir to feed a casting as it cools and contracts, and to add to the… feeder1858 Metal-casting. (a) (See quot. 1858.) Also attributive, as feeder-head. (b) ‘The opening made in a foundry mould for the introduction of the feed rod’… dozzle1923 A hollow refractory brick fitted to the top of an ingot-mould to provide a reservoir of molten metal, which flows downwards to fill cavities in… |
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