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Glass Manufacturing - Occupations Duties

View related occupations duties grouped under the 'glass manufacturing' business sector.
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Automatic Forming Machine Operator Occupation

Job Duties:

  • Sets up operates automatic glass forming machines that either press, blow, or spin gobs lumps of molten glass in molds to form bottles, containers, cathode ray tubes, and other glass products
  • Adjust shears to cut or plungers to force gobs from forehearth, using handtools
  • Install adjusts feeder tubes leading from forehearth to molds to deliver gob to mold, using wrenches
  • Mount and bolts blanking molds final molds to hanger arms on machine, or bolts molder to spinner plates, using handtools
  • Install and aligns neck rings and press plungers to blanking molds, using wrenches, to form neck mouths of product
  • Couple air lines to molds coolant lines to mold jacket to regulate solidification of formed glass
  • Couple gas lines to burners under molds to maintain plasticity of glass during forming
  • Adjust trip buttons on timer drum to set gob feeding, blank molding, final molding, and product discharging sequence
  • Turn controls to regulate air pressure, gas pressure, glass temperatures, and coolant flow
  • Observe machine operation to maintain sequences and air and fluid volumes, using knowledge of machine operation product specifications
  • Frequently swabs molds with graphite solution to prevent glass from sticking to mold, using swab or spray gun
  • Periodically, visually examines product for surface defects that indicate damaged or scored molds and measures shape, size, and weight of product, using fixed gauges scales to define if air pressure, solidification rate, and gob size are correct
  • May regulate annealing lehrs to cool glass product
  • May be designated by product formed as Bottle-Machine Operator glass mfg.
  • May be called Mold-Press Operator glass mfg. if operating press-and-blow machine with indexing turntable.

Automatic Lehr Operator Occupation

Job Duties:

  • Tend automatic or semiautomatic lehrs that anneal flat glass or glassware to relieve internal stresses or to fuse painted designs on glassware
  • Observe gauges turns controls to start exhaust fans, to ignite burners and to regulate lehr temperatures, speed of lehr conveyors and draft rates
  • Observe annealed glass for splits, cracks, breaks and color that indicate improper lehr settings or for fusing of paint to glass
  • Load or unloads glass entering or leaving lehr by hoisting flat glass with vacuum-cupped crane or by manually placing glassware on removing from lehr conveyor
  • Pack annealed glass by placing flat glass in crates, using vacuum-cupped crane, or inserting glassware in cartons
  • Maintain record of glass annealed packed
  • May adjust height of lehr entranceway curtain to accommodate containers of specific height
  • May tend hot- or cold-end spray equipment used to coat glassware with surface hardener
  • May change conveyor gears to alter speed of conveyor replace defective burners, using handtools.

Balcony Worker Occupation

Job Duties:

  • Perform any combination of following duties to process molten glass into continuous sheet under direction of Drawing-Kiln Operator glass mfg.
  • Observe continuous sheet of glass for scratches, breaks and other blemishes as it passes through rolls of drawing kiln
  • Wipe foreign matter from rolls & adjusts roll weights to minimize surface defects breaks in glass
  • Move controls to open rolls of drawing kiln when signaled by Drawing-Kiln Operator glass mfg. to allow passage of stones prevent breaks in glass
  • Open air jets or draws metal rod across hot sheet of glass to prevent breaks from running
  • Adjust slides on air ducts to cool glass minimize warping
  • Clear broken glass from rolls
  • May transport cullet from work area to storage area, using handtruck.

Ball Maker Occupation

Job Duties:

  • Dips punty metal rod used to gather molten glass or blowpipe into tank furnace to gather gob lump of molten glass for further processing
  • Read product specifications to define size of gob of molten glass to be gathered
  • Immerse head of punty or blowpipe into molten glass in furnace turns punty or blowpipe to gather gob of molten glass
  • Twirl punty or blowpipe blows through blowpipe to maintain gob of molten glass in globular form
  • Hand punty to Presser glass mfg. 575.685-074 or blowpipe to Glass Blower glass mfg. 772.381-022 for further processing
  • May twirl gob of molten glass in container of alkali solution or in cavity of wet wooden block to form thin skin on gob of molten glass to prevent punctures in glassware during pressing or blowing
  • May hold punty in mold while Presser glass mfg. cuts off required amount of glass
  • May make head of punty from clay
  • May reheat gob to retain shape temperature.

Batch and furnace Operator Occupation

Job Duties:

  • Control automatic equipment to weigh, mix, and melt ingredients to make glass
  • Adjust panel controls to transfer specified amounts of ingredients, like silica sand, soda ash, limestone flurospar, feldspar, borax, clay and cullet waste glass from storage bins to automatic weigh hopper batch mixer [Mixer glass mfg. ]
  • Adjust panel controls to dump blended mix into furnace
  • Observe signal lights, dials, and charts, and turns switches to adjust air, fuel, water pressure, and furnace temperature
  • Turn switch to reverse gas fire from one side of gas-and-air regenerative chambers to other side to equalize heat in furnace
  • Observe color of molten glass through furnace opening or reads gauges or pyrometer to define when furnace temperature has reached prescribed level
  • Collect sample of molten glass for laboratory analysis
  • Make adjustments on equipment to correct deviations from specifications
  • Record batch mixing, glass melting, and production data
  • May control furnace to melt and fuse premixed ingredients be designated Tank-Furnace Operator glass mfg. .

Batch Mixer Occupation

Job Duties:

  • Tend batch-mixing equipment that blends raw ingredients, like sand, soda ash, cullet others for use in making glass or fiberglass yarn, by one of following methods
  • 1 Weighs specified amounts of ingredients on scale
  • Dump ingredients into mixing machine starts machine to blend ingredients
  • Pull lever to unload mass into batch wagon for transport to small-batch, pot furnaces
  • 2 Monitors and regulates automatic mixing feeding equipment that supplies blended ingredients to continuous-operation furnace
  • Sets controls on instrument panel regulating equipment which automatically discharges ingredients onto scales and weighs blends ingredients in specified ratios
  • Push button to start discharging, weighing, mixing, and feeding equipment
  • Observe control panel instruments to monitor operations manually overrides controls in case of malfunction
  • May weigh trace elements on balance scale, and add them to batch mix
  • May record batch number, mixer, and other production data
  • May drive forklift to transport containers of ingredients.

Batch plant Operator Occupation

Job Duties:

  • Tend batch-mixing equipment that blends raw ingredients, like sand, soda ash, cullet others for use in making glass or fiberglass yarn, by one of following methods
  • 1 Weighs specified amounts of ingredients on scale
  • Dump ingredients into mixing machine starts machine to blend ingredients
  • Pull lever to unload mass into batch wagon for transport to small-batch, pot furnaces
  • 2 Monitors and regulates automatic mixing feeding equipment that supplies blended ingredients to continuous-operation furnace
  • Sets controls on instrument panel regulating equipment which automatically discharges ingredients onto scales and weighs blends ingredients in specified ratios
  • Push button to start discharging, weighing, mixing, and feeding equipment
  • Observe control panel instruments to monitor operations manually overrides controls in case of malfunction
  • May weigh trace elements on balance scale, and add them to batch mix
  • May record batch number, mixer, and other production data
  • May drive forklift to transport containers of ingredients.

Beveler Occupation

Job Duties:

  • Tend equipment that heats fire polishes glassware, like tubes, kitchen utensils, and trays to remove defects, like rough surfaces, air bubbles, and chips, or to seal tubes
  • Place tubes on spindles or other glassware on rotating table which carries them into contact with gas flame to melt or fuse glass
  • Turn valves to regulate polishing flame
  • Remove articles after heating with tongs.

Binder Technician Occupation

Job Duties:

  • Tend machine that mixes binder fluid used in production of fiberglass sliver or mats
  • Weigh and measures ingredients according to formula pours or dumps ingredients into mixing vats
  • Turn valve to start flow of water & steam into vats starts portable or power mixer to agitate ingredients for specified time
  • Observe temperature charts thermometers to define if specified temperature is maintained
  • Turn valve to increase flow of steam or water to regulate temperature of mixture or notifies supervisor of excessive temperatures
  • Dips beaker into vat to obtain sample of binder fluid delivers sample to testing room
  • Obtain test results adds ingredients according to instructions or turns valve to start flow of binder fluid into specified circulatory tank
  • Clean mixing vats, mixers, and other equipment, using water cloths
  • Record number of batches mixed, ingredients used, gallons mixed, gallons lost, and net gallons mixed for inventory production records.

Blankmaker Occupation

Job Duties:

  • Operate glass lathe to form glass tubes into glass blanks used in fabrication of laser light conductors
  • Read work orders and technical manuals to define lathe setup procedures and pushes buttons & turns knobs to adjust lathe gas-injection temperature controls
  • Lock glass tube into spindle chuck, using wrench
  • True flares glass tube, using lathe carriage burner, ruler, and calipers
  • Attach chemical spray nozzle to glass tube to coat interior of tube with gases, and inserts auger into tube to remove chemical residue
  • Lower locks spindle shield to form dust-free chamber
  • Press keys on keyboard to transmit production specifications to computer to transfer lathe operation from manual to automatic control for duration of blankmaking process
  • Observe lathe dials gauges, computer display panel, and color of flame on lathe carriage burner to verify adherence to manufacturing specifications
  • Calculate data, like blank weights, diameters, and densities, using calculator, and enters data on record sheet
  • Repair lathe, using wrenches, pliers, and screwdrivers to correct malfunctions.

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