Yardage-control Operator, Forming
Overall rating: (N/A)
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Controls temperature of bushings and speed of winders on
fiberglass forming machines to maintain specified yardage per
pound in sliver: Monitors bushing control panels, temperature
charts, and indicators to determine if temperature of furnace
bushings, molten glass over bushings, forehearths, and canlas
meet specifications.
Obtains test skein of sliver from
Test-Skein Winder (glass mfg.) and dries skein for specified
time in electric furnace. Weighs dried test skein to obtain
weight in grams and cnoverts 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 btuton to set temperature and
regulate speed of collet. Records data, such as shift, crew,
date, time of temperautre reading, time of yardage reading, type
of sliver produced, temperatures, and adjustments made, in
yardage control log.
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Yardage-Control Operator, Forming
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