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shrink-pit operator
A professional who controls shrink-pit furnace to assemble hoops and liners to tubes to form cannon barrels. Respnsibilities include:
- Positions steel blocks in shrink-pit to form angle for subsequent positioning of tube so that breech end of tube will be at floor level.
- Cleans and oils contact surfaces of parts with gasoline, oil, and graphite to facilitate assembly.
- Lowers hoops into furnace, using hoist.
- Moves furnace controls and observes thermocouple pyrometer and recording potentiometer to heat furnace to specified temperature.
- Guides cold tube, lowered by crane, through hot hoops in furnace.
- Turns water valve on cooling ring and lowers ring into furnace, using hoist, to spray hoops and shrink them onto tube.
- Reheats hoop and tube assembly, guides liner into tube, and regulates water spray to shrink tube onto liner.
- Part of Speech: noun
- Synonym(s): pyrometer_operator
- Blossary:
- Industry/Domain: Professional careers
- Category: Occupational titles
- Company: U.S. DOL
- Product:
- Acronym-Abbreviation:
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