Cast metal molds to form jewelry articles.
What does a Bench Molder do?
Casts metal molds to form jewelry articles: Forms plaster mold of model. Builds sand mold in flask, using plaster mold as pattern. Places flask in furnace or heats flask with blowtorch to dry and harden sand mold. Removes plaster mold from flask. Melts metal in crucible or furnace, and pours molten metal into channel of sand mold to cast metal mold. Opens flask and removes metal mold when metal has hardened, using pliers or tongs.