forming yardage-control operator

forming yardage-control operator

A professional who controls temperature of bushings and speed of winders on fiberglass forming machines to maintain specified yardage per pound in sliver. Respnsibilities include:

Monitors bushing control panels, temperature charts, and indicators to determine if temperature of furnace bushings, molten glass over bushings, forehearths, and canals meet specifications.

Obtains test skein of sliver from test-skein winder and dries skein for specified time in electric furnace.

Weighs dried test skein to obtain weight in grams and converts weight to yards per pound to determine deviations from specifications, using yardage conversion chart.

Turns digital dial on bushing control panel to regulate temperature of bushings.

Tests voltage on compensator units that vary speed of collets (winding rings), using voltage meter.

Determines bushing temperature specified for voltage reading from table and turns button to set temperature and regulate speed of collet.

Records data, such as shift, crew, date, time of temperature reading, time of yardage reading, type of sliver produced, temperatures, and adjustments made, in yardage control log.

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Part of Speech: noun
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Industry/Domain: Professional careers
Category: Occupational titles
Company: U.S. DOL
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