- Industria: Government; Labor
- Number of terms: 77176
- Number of blossaries: 0
- Company Profile:
A professional who burnishes chamfer on watch balance wheel arm, using burnishing tool and loupe. Responsibilities include:
* Fits balance wheel in work plate of jig and tightens jig to hold wheel in place.
* Burnishes arm by hand to round and polish edges.
* Inspects finished wheel, using loupe.
Industry:Professional careers
A professional who operates machine, equipped with electrically heated knives, to cut synthetic cloth into binding strips and fuses edges to prevent raveling by melting cloth fibers. Responsibilities include:
* Spaces knives on machine shaft, according to specified strip width, and turns setscrews to secure knives in position, using wrench.
* Mounts cloth roll on machine supports and threads cloth through machine units.
* Laps end of material around takeup tubes i.
* Turns dial to regulate temperature of knives and starts machine.
* Observes operation to detect faulty cutting and winding.
* Removes narrow rolls of material following process.
* Replaces defective knives, using handtools and spacing gauges.
Industry:Professional careers
A professional who tends machine that grinds approximate curves on lens blanks preparatory to fine grinding. Responsibilities include:
* Selects lens blanks as specified on production order.
* Places lens blank in holder and positions holder and lens assembly on diamond lap i of grinding machine.
* Lowers spindle of weighted arm onto lens holder to hold lens on lap.
* Starts machine and moves control arm back and forth to grind lens blanks to specified curvature or holds lens blank against grinding wheel to grind blank.
* Removes blank from holder and washes blank in water to remove grinding abrasive.
* Measures blanks to verify specified curvature, using lens gauge.
Industry:Professional careers
A professional who assembles bases, columns, housings, springs, valves, and tubing to form completed supports for hydraulic chairs, such as dental or barber chairs.
* May operate any of various metalworking machines to machine rough or inaccurately shaped parts to size.
Industry:Professional careers
A professional who fabricates, assembles, and tests experimental solid fuel rocket motor parts and assemblies according to specifications, using handtools, precision instruments, machines, and test equipment. Responsibilities include:
* Reads and interprets blueprints, drawings, and engineering information to determine methods and sequence of operations to fabricate experimental units.
* Sets up and operates machines, such as milling machines, lathes, drill presses, and power saws, to machine parts.
* Measures parts for conformance to specifications, using calipers and micrometers.
* Assembles parts into completed units, such as valves and pressure vessels, using handtools.
* Operates vacuum pressure testing equipment to test assembled units for air leaks.
* Confers with engineering, supervisory, and manufacturing personnel to exchange technical information.
* May mix chemicals used in fabrication of composite materials.
* May operate winding machine to fabricate composite parts for solid fuel rocket motor.
* May specialize in fabricating, assembling, and testing experimental liquid fuel rocket engines and be designated liquid rocket-engine mechanic.
Industry:Professional careers
A professional who operates series of high pressure autoclaves to test fabricated uranium fuel elements for leakage and ruptures in zirconium cladding and weld. Responsibilities include:
* Loads fuel elements in metal baskets and places baskets into tank of autoclave, using crane.
* Closes tank lid, using torque wrench.
* Turns valve to admit specified amount of water into tank, and closes exhaust outlet of tank.
* Activates electric heating element, adjust control knobs, and observes gauges to obtain specified temperature and pressure.
* Monitors gauges to prevent rise in temperature and listens for alarm signal that indicates leak or rupture of one or more fuel elements.
* Presses button to cut off heat elements, opens exhaust water valve to dump hot water, and opens valve to admit cold water to cool elements.
* Opens autoclave, removes basket, and replaces tested elements.
* Records serial number of ruptured elements.
* Periodically tests quality of deionized water in autoclave, using special equipment.
Industry:Professional careers
A professional who tests, calibrates, and adjusts aneroid barometers to obtain specified performance, using handtools and test equipment. Responsibilities include:
* Places barometer in vacuum chamber and connects barometer to master barometer (mercurial or electronic).
* Starts vacuum pump to decrease atmospheric pressure in vacuum chamber, and records variances of readings between aneroid and master barometer at different atmospheric pressures, manually or using computer.
* Calculates adjustments required and calibrates barometer, using handtools, or automatically calibrates barometer to specifications, using computer.
* Tests calibrated barometer to ensure calibration conforms to master barometer.
* Prepares and maintains manual or computerized test and calibration records.
* May test calibration of aneroid barometers, using radio frequency signals recorded on tape.
* May disassemble, inspect, and replace defective barometer parts.
Industry:Professional careers
A professional who shapes semielliptical spring leaves, using hand-forming jack. Responsibilities include:
* Reads specifications to determine arch required to shape leaf and computes additional arch required to compensate for unsetting of leaves in subsequent operations.
* Positions forming die (flexible pattern) over center pin of jack.
* Bends pattern and secures it to jack with holding pin.
* Positions center hole of hot leaf over center pin and bends leaf, using clamp tongs.
* Clamps ends of each leaf to pattern and sprinkles water over leaf to set arch and prevent warping.
* Immerses leaves in oil and places them in tempering oven.
* Shapes cold leaves on fitting block with sledgehammer.
Industry:Professional careers
A professional who supervises and coordinates activities of workers engaged in fabricating tin cans, pails, and other tinware from cut, pressed, or shaped tinplate.
* Trains new workers.
* Confers with workers' representatives to resolve grievances.
* Performs duties as described under supervisor master title.
Industry:Professional careers
A professional who reconditions, tests, and calibrates positive displacement gas meters, using handtools and test equipment. Responsibilities include:
* Dismantles gas meter case, diaphragm assembly, and connecting rods, using soldering iron and handtools.
* Positions and solders diaphragm and diaphragm rings in dismantled meter case.
* Inserts and solders flow-control valves in place, using soldering iron and guide wires.
* Moves shaft connected to valve to test freedom of movement.
* Adjusts shaft, using pliers, or resolders shaft to correct defective operation.
* Solders index assembly in position and connects assembly to activating mechanism.
* Moves activating arms to extreme extension to test freedom of movement.
* Adjusts valve mechanism to calibrate meter registration in accordance with public utilities commission specifications.
* Repositions and resolders connecting rods to provide sufficient clearance.
* Resolders case seams to seal meter.
* Attaches airhose at meter inlet to pressurize meter and test ability to register passage of low air volume.
* Attaches pressurized meter to fixture which submerges meter under water to test for leaks.
* May inspect, repair, and maintain gas meters used to measure volume of natural gas flowing from producing wells to processing plant and be designated field operator.
Industry:Professional careers
