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cupola tender
A professional who controls cupola furnace to melt and refine iron, scrap metal, and other additives to produce gray iron castings. Respnsibilities include:
- Closes and props door in bottom of cupola.
- Shovels sand into cupola and tamps sand to form wedge-shaped layer on cupola bottom sloping toward taphole.
- Kindles fire, using gas torch, to ignite coke bed in cupola, and starts and sets speed of blowers that supply air to cupola.
- Signals cupola charger to begin charging metal, coke, and limestone into cupola.
- Reads gauges indicating temperature of molten metal in cupola and amount of air flowing into and out of cupola, and adjusts controls accordingly.
- Taps molten metal from cupola.
- Estimates, from color of slag draining from surface of molten metal, physical properties of metal being melted.
- Pulls prop from bottom doors of cupola, when shutting down furnace, to allow residual materials to drop out.
- May charge layer of excelsior, rags, and wood over sand bed to protect cupola from initial charge of coke and to ignite fuel.
- Part of Speech: noun
- Synonym(s): furnace_tender_₂
- Blossary:
- Industry/Domain: Professional careers
- Category: Occupational titles
- Company: U.S. DOL
- Product:
- Acronym-Abbreviation:
Other Languages:
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