- Settore: Government; Labor
- Number of terms: 77176
- Number of blossaries: 0
- Company Profile:
A professional who sets up and adjusts automatic, multiunit, bulb-forming machines, using handtools, work orders, and measuring devices. Respnsibilities include:
* Installs fixtures, such as collets, tube feeders, and molds, and attaches fuel, air, and coolant lines to machine, following specifications.
* Adjusts controls, such as stop guides, setscrews, timing devices, and cams to synchronize machine mechanisms.
* Regulates temperature control of burner units.
* Replaces defective parts, such as collets, molds, seals, and fuel, air, and coolant lines.
* Starts machine to test adjustments and examines product to determine need for readjustments.
Industry:Professional careers
A professional who operates drawing kiln to process molten glass into continuous sheet of flat glass. Respnsibilities include:
* Sets rheostat to control speed of rolls on kiln that draw glass sheet of specified thickness, and adjusts setting to maintain thickness, based on gauge or recorder readings during processing.
* Regulates gas-firing to edges of glass sheet to prevent slippage of sheet from knurl guide wheels.
* Inspects glass sheet through kiln peephole for defects, such as stones and blisters, as sheet is drawn vertically by rolls.
* Signals balcony worker to open rolls and allow passage of defective area to prevent break in sheet.
* Receives gauge readings and positions asbestos pads on sides of cooling jacket in kiln with iron rod to correct irregular thickness in glass sheet.
* Closes lower roll of drawing kiln to prevent broken sheets of glass from collapsing into kiln.
* Lights auxiliary gas jets in kiln to heat glass sheet below break and stop run of break.
* Replaces jacket cooling pads and plugs in kiln with mortar, using trowel.
Industry:Professional careers
A professional who sets up and operates automatic machine to form bulbs and other products from molten glass. Respnsibilities include:
* Installs molds, forming devices, and orifice plates, following specifications.
* Positions forming mechanisms between forehearth and lehr.
* Turns controls to regulate temperatures and pressures in forehearth and forming molds and flow of coolant on rollers.
* Verifies temperature of molten glass in forehearth, using optical pyrometer.
* Raises plunger forehearth orifice to start flow of molten glass through machine units.
* Adjusts rollers to control glass thickness, using handtools and measuring devices.
* Monitors gauges, such as temperature, pressure, machine speed, and rate of glass flow.
* Examines for variations from processing standards, using templates and gauges.
Industry:Professional careers
A professional who tends intermediate units of machine that forms bulbs and other products from molten glass. Respnsibilities include:
* Positions turntable at crack-off (breaking) unit and synchronizes motion of hammer with flow of molten glass to separate bulbs from ribbon.
* Turns controls to regulate machine speed, flow of coolant on molten glass, and temperature in machine units.
* Aligns glass ribbon in units with wooden pole, following signal from glass-ribbon-machine operator.
* Inspects orifice plates for damage and cleans excess glass from plate, using hammer.
Industry:Professional careers
A professional who sets up, adjusts, and repairs automatic glass forming machines, such as press-and-blow, blow-and-blow, and spinning machines, used to form bottles, containers, and other glassware, utilizing knowledge of glass forming machinery. Respnsibilities include:
* Reads work order to determine which molds, mold components, and machine parts are needed.
* Removes molds, mold components, and feeder tubes from machines, using handtools.
* Mounts blanking mold and final mold to hanger arms on machine, and installs gob (lump of molten glass) feeder tube leading from forehearth to molds, using handtools.
* Installs and aligns neck rings and press plunger to blanking mold to form neck and mouth of glassware, using handtools.
* Couples air lines to molds and coolant lines to mold jacket to regulate solidification of glass.
* Adjusts size of orifice which releases gob from forehearth, and shears cutting gob to control size of gob fed to mold, using handtools.
* Adjusts trip buttons on timer drum to set gob feeding, blank molding, final molding, and discharge sequence.
* Couples gas line to preheating burner under mold to maintain plasticity of glass during molding.
* Turns controls that regulate air pressures, coolant flows, gas line pressure, and glass temperatures in forehearth to form acceptable products, using knowledge of machine operation and product specifications.
* Performs test run and inspects glassware to verify setup.
* Repairs damaged machines by replacing defective parts, such as cams, hanger arms, or forming components, using handtools.
* Changes lehr drive gears to control annealing time of glassware in lehr.
* May be assisted by forming-machine operator in setting up machines.
* May ascertain temperature of gob, using pyrometer.
Industry:Professional careers
A professional who sets up, adjusts, and repairs automatic glass forming machines, such as press-and-blow, blow-and-blow, and spinning machines, used to form bottles, containers, and other glassware, utilizing knowledge of glass forming machinery. Respnsibilities include:
* Reads work order to determine which molds, mold components, and machine parts are needed.
* Removes molds, mold components, and feeder tubes from machines, using handtools.
* Mounts blanking mold and final mold to hanger arms on machine, and installs gob (lump of molten glass) feeder tube leading from forehearth to molds, using handtools.
* Installs and aligns neck rings and press plunger to blanking mold to form neck and mouth of glassware, using handtools.
* Couples air lines to molds and coolant lines to mold jacket to regulate solidification of glass.
* Adjusts size of orifice which releases gob from forehearth, and shears cutting gob to control size of gob fed to mold, using handtools.
* Adjusts trip buttons on timer drum to set gob feeding, blank molding, final molding, and discharge sequence.
* Couples gas line to preheating burner under mold to maintain plasticity of glass during molding.
* Turns controls that regulate air pressures, coolant flows, gas line pressure, and glass temperatures in forehearth to form acceptable products, using knowledge of machine operation and product specifications.
* Performs test run and inspects glassware to verify setup.
* Repairs damaged machines by replacing defective parts, such as cams, hanger arms, or forming components, using handtools.
* Changes lehr drive gears to control annealing time of glassware in lehr.
* May be assisted by forming-machine operator in setting up machines.
* May ascertain temperature of gob, using pyrometer.
Industry:Professional careers
A professional who sets up and operates series of machines to mix ingredients, extrude clay mixture, and to cut extruded column into brick and tile products. Respnsibilities include:
* Turns valves to feed and regulate flow of ingredients into mixing machine and to create vacuum in de-airing machine.
* Installs die, core, rings, and former in extrusion head, using handtools and measuring instruments.
* Sets controls on automatic cutoff knives to cut clay column according to job order specifications.
* Starts machinery.
* Examines extruded product to detect variations from specified hardness, and turns valves to feed water and oil into pug mill to correct consistency of clay.
* Replaces knives, reamers, and finishers in automatic finishing units.
* Records production.
* May operate individual machine and be designated Auger-Press Operator; Cutter Operator, Brick; Cutter Operator, Tile; Pug Mill Operator.
Industry:Professional careers
A professional who operates automatic, multiunit machine to form bulbs and other glass products from tubular stock. Respnsibilities include:
* Loads glass tubes in feed mechanism and clamps collets around rods to secure and position tubular stock for molding process.
* Observes operation to determine variations from prescribed temperature levels, and turns controls, aims burners, or places and ignites auxiliary burners to adjust temperatures.
* Turns controls to regulate air pressure or vacuum processing in molds.
* Adjusts stops and guides that control indexing and positioning of glass rods in machine units to correct alignment or timing of sequence.
* Swabs molds with lubricant to prevent glass from adhering to mold walls.
* Replaces defective air and gas lines and tubes, using handtools.
* Inspects bulbs for color or transparency, size, shape, and wall thickness, using color panels, templates, and dial indicators.
Industry:Professional careers
A professional who sets up and operates automatic machine to roll molten glass into sheets. Respnsibilities include:
* Positions glass-rolling machine between glass-melting tank and lehr, using power winch.
* Connects drive chains to rollers and cooling pipes to waterlines, using handtools.
* Ignites burner to preheat lip (refractory bridge that supports flow of molten glass from furnace to rollers) and raises knife gate on tank orifice to start flow of molten glass over lip onto rollers.
* Raises or lowers upper roller to regulate thickness of glass and adjusts rheostat control to regulate machine speed.
* Examines sheet of glass for defects, such as blisters and surface adhesions.
* Monitors gauges and recorders and records readings, such as lehr conveyor and machine speeds, water temperatures, and rate of glass flow.
Industry:Professional careers
A professional who operates mechanical or hydraulic press to mold fire-clay retorts or condensers used in smelting zinc ores. Respnsibilities include:
* Packs plastic mixture of fire-clay into mold of press and closes mold.
* Pulls lever to actuate ram which forces clay into all parts of mold.
* Removes molded retort or condenser from press.
* Places protective jacket around retort or condenser, and puts it into drying chamber for seasoning.
Industry:Professional careers
