- Industry: Government; Labor
- Number of terms: 77176
- Number of blossaries: 0
- Company Profile:
A professional who tends automatic or semiautomatic lehrs that anneal flat glass or glassware to relieve internal stresses or to fuse painted designs on glassware. Respnsibilities include:
* Observes gauges and turns controls to start exhaust fans, to ignite burners, and to regulate lehr temperatures, speed of lehr conveyors, and draft rates.
* Observes annealed glass for splits, cracks, breaks, and color that indicate improper lehr settings or for fusing of paint to glass.
* Loads or unloads glass entering or leaving lehr by hoisting flat glass with vacuum-cupped crane or by manually placing glassware on and removing from lehr conveyor.
* Packs annealed glass by placing flat glass in crates, using vacuum-cupped crane, or inserting glassware in cartons.
* Maintains record of glass annealed and 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 and replace defective burners, using handtools.
Industry:Professional careers
A professional who tends electric oven-type machine that hardens lenses used in safety eyeglasses, and tests hardness of lens, using steel-ball drop-test. Respnsibilities include:
* Measures lens thickness with calipers to determine if lens meets thickness requirements for prescribed hardening.
* Positions lenses in holding fixture and pushes fixture into electric oven.
* Sets timer and temperature controls on oven according to chart specifications for prescribed hardness of lens.
* Removes lenses at end of cooling cycle, or places lenses in airflow to cool.
* Holds finished lens in polarized light fixture to detect defects produced by hardening.
* Places lens on bed of drop-test fixture and covers lens with cloth or plastic.
* Places steel ball of specified weight in release mechanism of fixture.
* Positions mechanism at specified distance from lens and releases ball.
* Discards broken lenses.
Industry:Professional careers
A professional who tends furnace driers, and auxiliary equipment that regenerate diatomaceous earth used as filtering medium. Respnsibilities include:
* Opens valves on storage tank to allow dry earth to mix with mud discharged from filter.
* Feels mixture and adjusts valves to obtain mixture that can be dried readily.
* Moves controls to regulate flow of mixture to furnace driers, and temperatures of furnace to ensure specified regeneration.
* Obtains samples of earth before and after regeneration for laboratory analysis.
* Turns valves to route regenerated earth to storage bins.
* Clears blockages in minglers, dust collector hoppers, and mud gauges.
* Changes and cleans pump screens.
* May be designated according to material regenerated as kieselguhr-regenerator operator.
Industry:Professional careers
A professional who tends kilns that fire magnesium materials, such as filter cake and briquettes to remove specified impurities. Respnsibilities include:
* Observes influx of material into kiln and movement of material through kiln stages to verify that material passes through kiln at prescribed rate.
* Monitors console dials and gauges and adjusts controls to maintain specified temperatures and other processing parameters.
* May be designated according to type of kiln tended as hearth burner; shaft burner.
Industry:Professional careers
A professional who tends hot press and related equipment that hardens asbestos disk pads for use as brake linings. Respnsibilities include:
* Positions metal die plate on roller-type conveyor, picks up stack of asbestos disk pads from table, and places individual pads into wells of die plate.
* Discards broken or defective pads.
* Pushes filled die plates onto racks of hot press.
* Starts machine that automatically closes press to heattreat pads for specified time and opens press at end of press cycle.
* Pulls die plates from press onto conveyor.
* Removes cured disk pads from die plates, using knockout device that forces pads from plates.
* Loosens stuck pads with rubber mallet and tosses pads into storage container.
* Sprays empty die plates with silicone solution, using spray gun, to prevent pads from sticking to plates during heat-treating process.
Industry:Professional careers
A professional who tends hot press that hardens asbestos disk pads for use as brake linings. Respnsibilities include:
* Pushes metal die plates filled with asbestos disk pads onto feed elevator of machine.
* Presses buttons to open press, move die plates from elevator into press, and close press.
* Observes timer lights, dials, and pressure gauges on control panel of machine to determine end of press cycle.
* Presses buttons at end of cycle to simultaneously open press and move cured disk pads from press onto discharge elevator.
* Pushes die plates from elevator onto roller-type conveyor, using metal rake.
Industry:Professional careers
A professional who feeds and off bears oven that cures and hardens brake linings. Respnsibilities include:
* Presses switches to ignite burners in oven and start conveyor.
* Lifts spring-loaded mold onto table and opens mold with pressure device.
* Places brake lining into mold and releases pressure device to close mold.
* Places mold containing brake lining on conveyor that moves mold through oven to cure and harden brake lining.
* Off bears mold from conveyor, removes cured lining from mold, and places lining on rack.
* Records production data.
Industry:Professional careers
A professional who loads and unloads conveyor of furnace that fuses multifocal lens parts. Respnsibilities include:
* Positions multifocal lens blank and button assemblies, or assembled button parts, on emery disks, places disks on trays, and places filled trays on conveyor that passes through fusing furnace.
* Removes trays of fused items from end of conveyor and places them in rack to cool.
* Records production count.
* May mark identification number on lenses, using marking pen.
* May observe temperature indicators and inform supervisor of furnace malfunction.
Industry:Professional careers
A professional who 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. Respnsibilities include:
* Removes filled box and bundles vials, hole end up, in metal cups.
* Carries racked cups in tray to filling work station.
Industry:Professional careers
A professional who 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. Respnsibilities include:
* Removes filled box and bundles vials, hole end up, in metal cups.
* Carries racked cups in tray to filling work station.
Industry:Professional careers
