- Industria: Government; Labor
- Number of terms: 77176
- Number of blossaries: 0
- Company Profile:
A professional who assists hot-top liner in lining covers (hot-tops) for ingot molds. Responsibilities include:
* Pries and chips firebrick, mortar, and clay from inside of cover, using tools, such as crowbar or chipping hammer.
* Attaches crane hooks to lugs of cover.
* Cleans mold with oxygen lance.
* Mixes mortar and carries firebrick to repair platform.
* May signal crane operator to lift and position covers.
* Performs other duties as described under helper master title.
Industry:Professional careers
A professional who tends machine equipped with multiple stations that solders typewriter type to type bars. Responsibilities include:
* Clamps type bar and segment-assembly to holding plate of machine.
* Selects type in designated sequence and positions type between guides, or in matrix plate on machine table.
* Pulls down first type bar with fingers and seats end of bar in back slot of type.
* Pushes table or depresses treadle that moves assembly to next station where flux, solder, and coolant air are automatically applied.
* May apply flux to back slot, using tweezers.
* May adjust guides for different styles of type, using size blocks and turning setscrews.
* May remove excess solder to prevent type from binding in type guide, using pencil-flame gas torch and brush or file.
Industry:Professional careers
A professional who etches trademarks on stainless steel knives and forks, using rubber stamp and acid solution. Responsibilities include:
* Ties cloth around glass block and pours acid on cloth to form stamp pad.
* Places cutlery in lime bath.
* Removes cutlery from bath, presses rubber stamp on acid pad, and stamps cutlery.
Industry:Professional careers
A professional who prepares photographic plates used to print pattern of aperture masks on sensitized steel. Responsibilities include:
* Examines unexposed plate to detect foreign particles or emulsion flaws.
* Transfers image from master plate to unexposed plate by means of contact exposure and immerses plate in series of chemical and water baths to develop image on plate.
* Examines plate over light box in darkroom to detect flaws and verify conformity of pattern with master plate.
* Measures dot size and center distance, using calibrated microscope, and examines master and production plates for dot damage.
* Repairs defective plates by filling in missing dots, using photographic touch-up tool and ink.
* Installs and aligns plates in printing case for display-screen fabricator.
* Prepares developing solutions, following formula.
Industry:Professional careers
A professional who tends machine that drills pinning holes and inserts metal pins into sets of copper laminated fiberglass boards and backing material preparatory to fabrication of printed circuit boards (pcb's). Responsibilities include:
* Fills pinning machine hopper with metal pins.
* Reads work orders to determine specified pcb's.
* Positions pcb's on bed of machine.
* Turns machine levers and handwheels to adjust, align, and hold pcb's for drilling and pinning.
* Activates machine that drills pinning holes and inserts pins into pcb's to stabilize pcb's during numerical-controlled drilling of component mounting holes.
* Stacks pinned pcb's for transfer to next work station.
* May assemble sets of fiberglass pcb's and backing material prior to pinning operation.
Industry:Professional careers
A professional who presses or rivets parts together for use in assembly of watches, clocks, timers, and industrial motors, using staking machine or hand staking tools. Responsibilities include:
* Positions parts in specific relationship to each other in recess of die (bed) or fits part in punch of machine, using tweezers and loupe.
* Activates machine to lower punch that presses or rivets parts together.
* Places assembled parts on conveyor, in tray, or on table for further processing.
* May be designated according to parts assembled as balance-staff staker; hairspring staker; pin inserter; pinion staker; roller staker.
Industry:Professional careers
A professional who reams drilled holes in metal workpieces, using handtools.
* Inserts reamer (straight-fluted rotary cutting tool) into hole and twists and pushes it to enlarge, smooth, or improve roundness of hole.
* Verifies hole specifications, using plug gauge.
* May place workpieces in vise when reaming out hole.
Industry:Professional careers
A professional who repairs defects in silver hollowware, such as trays, creamers, teapots, and bowls, using hammers, dollies, and tracing punches. Responsibilities include:
* Examines article to determine nature of defect, such as dents, uneven bottom, scratches, or holes.
* Places article on anvil or dolly and pounds out dents or bulges, selecting hammer with head corresponding in curvature with surface of article.
* Straightens twisted articles by hand.
* Forms concavity in bottom of article to improve its stability, using tracing punches and hammer.
* Verifies levelness of bottom edges of article, using straightedge, or by rocking article back and forth on flat surface.
* Peens edges of scratches or holes to repair defect, using peening hammer.
Industry:Professional careers
A professional who inspects and adjusts watch hairsprings after assembly to pillar plate for conformance to mechanical specifications, using loupe, holding device, and tweezers. Responsibilities include:
* Mounts assembly in holding device.
* Examines outer coil to verify that coil is centered between regulator pins, and that positioning of overcoil is within acceptable limits, using loupe.
* Pinches segment of coil to position and level coil, using tweezers.
* Spins balance wheel to verify that all coils of spring are within same plane and concentric with collet when oscillating.
* Adjusts coils to correct discrepancies, using tweezers.
Industry:Professional careers
A professional who supervises and coordinates activities of workers engaged in testing, adjusting, and repairing gas meters. Responsibilities include:
* Trains workers in testing and repair of meters.
* Requisitions and distributes supply of repair parts.
* Performs other duties as described under supervisor master title.
Industry:Professional careers
