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Miscellaneous Equipment

Sprue Cutter - used to cut the hole where metal is poured into the mold. Buy these in the bathroom plumbing section of the hardware store.


This called a bulb sponge (or swab). It is used to moisten the sand around the edge of a pattern before the pattern is pulled from the mold. The moisture helps to firm the sand.




Everything is hot in a foundry. Tongs are a necessity. This is a pair that was given to me. They are about 12" long. I use them to add metal to the furnace and to handle castings when they are dumped from the molds.



This pair I made myself. I used the furnace as a forge to heat the metal. This pair is about 3 ft long and is used to hold the crucible when I pour the metal.



I also made this, it's called a bench rammer and is used to pound the sand around the pattern in the mold. I usually just use my fingers to do this at first and then finish off with the bench rammer.



The melon baller I use to scoop sand out of the base of the sprue to form a cup where the melted metal is poured into the mold.


 

The folded piece of brass is called a gate cutter and is used to form a channel in the sand (the gate) to deliver metal from the sprue to the space created when the pattern is removed.




A small soft bristle brush is useful for sweeping sand off the face of the mold.



OK, I don't have a clue what this is called so we will call it a bent piece of wire. It's about 2 inches long. When casting brass, it is necessary to put weights on top of the completed mold to keep the weight of the liquid metal from forcing the 2 halves of the mold apart. This tool is used to scratch up the sand on top of the cope before setting the weights on the mold. Scratching up the sand helps to even out the surface so that the weights don't force a high spot on top to crush the mold.


   

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