Ware Tester
Overall rating: (N/A)
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Collects, inspects, and tests glassware, such as containers
and cathode-ray tubes, for conformance to specifications:
Collects samples to be tested and measured, and marks samples
and logs with identifying information, such as batch number,
machine number, and mold number.
Visually inspects glassawre for
defects, such as striations (stress lines), bubbles, pits,
discolorations, incomplete grinding and polishing, and painting
flaws, such as chips and smears.
Fills containers with water to
determine fluid capacity by weighing filled container on scales
or pouring contents into graduated cylidner. Verifies size,
shape, radius, thickness, weight, eccentricity, and surface
flatness, using templates, calipers, micrometers, scales,
eccentricity table, surface blocks, wedge blocks, or electornic
measuring instruments. Determines annealed quality of glassware
by either observing glass through polariscope, measuring wave
length of glass color with spectrophotometer, or by examining
microsections for annealing striations. Immerses containers in
hot or cold water tanks to estimate thermal shock resistance.
Determines bursting point of contianer by either filling
container with water and inserting electrically controlled
plunger in container to apply pressure, or placing container in
pressurized chamber. Cuts glass into wafers and eaxmines glass
under microscope to measure micro defects. Records results of
tests and deviations from standards and submits to supervisor;
notifies supervisor of serious defects, such as failure to
withstnad thermal shock or defective mold.
May set and adjust
measuirng devices used in laboratory or by Selector (glass
mfg.). May compile specifications from new product orders for
setting quality control standards.
May place sample in test
tube, immerse test tube in controlled temperature water, and
observe settling point of glass to estimate density of glsas.
May place container in surface abrader to estimate container
scratch resistance.
May place container in jaws of calibrated
vice to determine horizontal bursting point. May test gob (lump)
of molten glass from furnace and foreheatrh to ensure glass
temperatures are within specifications. May pack sample ware for
shipment to custmoer. May perform dimensional measurements at
production work stations and be designated Floor Inspector
(glass mfg.). May be designated according to artilce inspected
as Bottle Inspector (glass mfg.); Television-Tube Inspector
(glass mfg.).
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Ware Tester
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