1. Supervises and coordinates activities of workers engaged in applying glaze to bisque or greenware and drying ware prior to firing: Inspects sprayed, dipped, or dried ware for defects in glaze coating and weighs sample ware for conformance to specifications. 2. Verifies viscosity of glaze, using viscometer. 3. Issues instructions …
1. Installs glass in windows, skylights, store fronts, and display cases, or on surfaces, such as building fronts, interior walls, ceilings, and tabletops: Marks outline or pattern on glass, and cuts glass, using glasscutter. 2. Breaks off excess glass by hand or with notched tool. 3. Fastens glass panes into …
1. Supervises and coordinates activities of GLAZIERS engaged in cutting and installing glass in windows, skylights, store fronts, and showcases, or on surfaces, such as building fronts, interior walls, ceilings, and tabletops. 2. Trains new workers. 3. Inspects installed glass to ensure work meets specifications. 4. Performs duties as described …
1. Places glass vials for levels on endless belt conveyor that carries vials through gas heated oven to soften glass and form curve required for centering level bubble: Removes filled box and bundles vials, hole end up, in metal cups. 2. Carries racked cups in tray to filling work station.
1. Tends machine that laminates and glues paper to glass-wool for use as building insulation material: Feeds rolls of paper into machine. 2. Starts machine and observes operation to ensure that glue spreads evenly and rolls of paper adhere to both sides of glass-wool to form blanket.
1. Performs any combination of following tasks to produce pressed or blown glassware from molten glass: Balances gather on blowpipe, and blows through and simultaneously rotates blowpipe to maintain gather in globular form for blocking, redipping, or final shaping. 2. Moves controls that open hinged molds to receive gather for …
1. Tends equipment that filters glaze mixtures and conveys glaze to spraying units: Filters aqueous glaze through electromagnetic filters and screens to remove metal particles or other foreign substances, and stores filtered glaze in stone jars. 2. Tests specific gravity of solutions with hydrometer and adds water to obtain solutions …
1. Tends ball mill that mixes and grinds materials to produce glaze for coating pottery, tile, and porcelain: Weighs materials, such as calcium, carbonate, clay, feldspar, flint, and lead oxide, in specified proportions, using tubs and scale. 2. Dumps materials into mill and pushes button to start mill that pulverizes …
1. Sets up and operates automatic machine to form bulbs and other products from molten glass: Installs molds, forming devices, and orifice plates, following specifications. 2. Positions forming mechanisms between forehearth and lehr. 3. Turns controls to regulate temperatures and pressures in forehearth and forming molds and flow of coolant …
1. Tends intermediate units of machine that forms bulbs and other products from molten glass: Positions turntable at crack-off unit and synchronizes motion of hammer with flow of molten glass to separate bulbs from ribbon. 2. Turns controls to regulate machine speed, flow of coolant on molten glass, and temperature …
1. Sets up and operates automatic machine to roll molten glass into sheets: Positions glass-rolling machine between glass-melting tank and lehr, using power winch. 2. Connects drive chains to rollers and cooling pipes to waterlines, using handtools. 3. Ignites burner to preheat lip and raises knife gate on tank orifice …
1. Tends automatic vacuum crane that removes lites of glass from cutoff machine conveyor: Turns valves to activate vacuum cups on crane that hold glass during unloading-stacking cycle, and starts crane. 2. Inspects glass for spalls as glass passes on conveyor. 3. Trims spalls from glass with glass-cutting wheel and …
1. Tends automatic furnace that makes glass used as flux in production of glass enamel: Weighs out specified chemical ingredients. 2. Shovels ingredients into hopper of conveyor that transports ingredients through automatic blending, pulverizing, and sifting process. 3. Lifts tank with blended mix over hopper of gravity-fed furnace, using hoist, …
1. Operates glass lathe to cut, shape, and seal glass bulbs used in manufacturing electronic tubes, following blueprints, standard procedures, and sample parts: Places glass blanks and tube components in chuck or tailstock of lathe, adjusts and locks parts in lathe manually or depresses pedal of compressed air device that …
1. Patches fractured glass linings of steel tanks used for storing beer: Crawls inside tank and locates fractured lining areas. 2. Melts fractured area, using propane torch. 3. Removes melted material with burning knife. 4. Heats and dries cleaned area. 5. Heats patching material in bucket to specified temperature and …
1. Tends machine that automatically dips, sprays, steams, and dries glass articles, such as instrument lenses and hypodermic syringes. 2. Loads articles into baskets of machine. 3. Presses button to start and stop machine. 4. May mix cleaning solution and test solution for acidity, using hydrometer.
1. Supervises and coordinates workers engaged in cutting flat or sheet glass to length from continuous ribbon of glass to facilitate handling or cutting glass to size on automatic or semiautomatic cutting machines: Reviews production schedules to determine cutting dimensions and cutting sequence. 2. Measures length and width of cut …
1. Assists GLASS CUTTER in cutting and handling glass or mirrors: Carries glass or mirrors to worktable and places cutting tools on table. 2. Removes excess glass from working area. 3. Measures layout dimensions, using tape measure, and counts cut glass or mirrors to verify measurements and quantity cut. 4. …
1. Feeds sheet glass into machine that scores and cuts glass to specified size: Positions glass onto feed rollers and against guides to align glass with cutters. 2. Pushes glass into feed end of machine that conveys glass under cutters and cuts glass to specified size.
1. Operates glassblowing lathe to join and shape glass or plastic tubing, according to blueprints and work orders: Selects, inserts, and clamps specified mandrels in head and tailstock of lathe, using wrenches. 2. Turns knobs to adjust rotation speed. 3. Inserts and clamps tube and other glass parts of various …
1. Coats interiors of ornamental glass balls with silvering solution: Pours solution into balls through small openings. 2. Holds stopper over openings and shakes balls until interior surfaces are covered. 3. Pours surplus silvering solution out of balls.
1. Sets up and adjusts automatic, multiunit, bulb-forming machines, using handtools, work orders, and measuring devices: Installs fixtures, such as collets, tube feeders, and molds, and attaches fuel, air, and coolant lines to machine, following specifications. 2. Adjusts controls, such as stop guides, setscrews, timing devices, and cams to synchronize …
1. Operates automatic, multiunit machine to form bulbs and other glass products from tubular stock: Loads glass tubes in feed mechanism and clamps collets around rods to secure and position tubular stock for molding process. 2. Observes operation to determine variations from prescribed temperature levels, and turns controls, aims burners, …
1. Installs glass in millwork products, such as doors, window sashes, china closets, and office partitions: Places door or sash on worktable and inserts precut glass in opening, or inserts glass as products pass on conveyor, using either of following methods: Inserts precut molding into window opening around edges of …
