- Industry: Government; Labor
- Number of terms: 77176
- Number of blossaries: 0
- Company Profile:
A professional who sets up various sizes and types of multiple-operation slide forming machines to automatically punch, cut, and bend metal strips or wire to fabricate parts, such as clips, brackets, and hairpins, as specified by blueprints and setup charts. Respnsibilities include:
* Selects and installs cams, center post, and ram slide, and computes feed length position of cams and dies, applying knowledge of geometry and product dimensions.
* Aligns and bolts cams to shaft, slides to machine bed, and progressive dies to stationary shoes and cam actuated slides, using micrometers, gauges, feelers, rules, and handtools.
* Adjusts position of cams to synchronize action of rams, cutters, and drive rolls that feed stock.
* Turns flywheel by hand to produce sample part, and compares part with specifications, using fixed gauges, micrometer, and calipers.
* Readjusts position of dies and cams to achieve specified shape and dimension.
* Turns machine over to four-slide-machine operator II.
* May sharpen and repair dies, using engine lathes, milling machines, precision grinders, hand files, and scrapers.
Industry:Professional careers
A professional who repairs and adjusts motor vehicle carburetors. Respnsibilities include:
* Disassembles carburetors and gasoline filter units, using handtools.
* Examines parts for defects and tests needle valves with wire gauges and flowmeter.
* Cleans parts in solvents to remove dirt and gum deposits.
* Repairs or replaces defective parts.
* Reassembles carburetor and gasoline filter, and installs them in vehicle.
* Starts engine and turns adjustment screw to regulate flow of air and gasoline through carburetor, using testing equipment.
* May operate drill press, lathe, and other power tools to retap jets, ream throttle bodies and chokes, and machine seating surfaces of carburetor housings.
* May install and repair mechanical devices that convert conventional systems to use of other fuels.
Industry:Professional careers
A professional who makes preflight, inflight, and postflight inspections, adjustments, and minor repairs to ensure safe and efficient operation of aircraft. Respnsibilities include:
* Inspects aircraft prior to takeoff for defects, such as fuel or oil leaks and malfunctions in electrical, hydraulic, or pressurization systems, according to preflight checklist.
* Verifies passenger and cargo distribution and amount of fuel to ensure that weight and balance specifications are met.
* Monitors control panel to verify aircraft performance, and regulates engine speed according to instructions of airplane pilot, commercial.
* Makes inflight repairs, such as replacing fuses, adjusting instruments, and freeing jammed flight control cables, using handtools, or takes emergency measures to compensate for failure of equipment, such as autopilot, wing heaters, and electrical and hydraulic systems.
* Monitors fuel gauges and computes rate of fuel consumption.
* Keeps log of fuel consumption and engine performance.
* Records malfunctions which were not corrected during flight and reports needed repairs to ground maintenance personnel.
* May perform repairs upon completion of flight.
* Must be licensed by Federal Aviation Administration.
* May be required to be licensed airframe-and-power-plant mechanic or airplane pilot, commercial.
Industry:Professional careers
A professional who tends machine that presses metal bands into grooved edges of tabletops. Respnsibilities include:
* Positions tabletop in center of rotary bed of machine.
* Pushes lever to lower ram that holds tabletop in place.
* Inserts lip of metal band into grooved edge of tabletop.
* Starts rotation of machine bed and starts rollers that press band into grooved edges around three sides of tabletop.
* Lifts tabletop from machine bed and places tabletop in vise.
* Inserts lip of separate metal band into grooved edge of unbanded side and hammers band into place, using rubber mallet.
Industry:Professional careers
A professional who controls rotary-leaf filters and such auxiliary equipment as centrifuges, pumps, compressors, heat exchangers, and conveyors, to remove process catalyst from polyethylene products. Respnsibilities include:
* Starts pumps, centrifuges, and compressors.
* Observes gauges and chart recorders; turns valves; and sets automatic control instruments to regulate temperatures, pressures, flow-rates, and liquid levels within plant specifications, and to transfer materials between units to ensure efficient removal of catalyst.
* Directs other workers engaged in tending pumps, compressors, and centrifuges and in making manual adjustments to equipment to maintain required process conditions.
* Moves manual and automatic controls to switch filters into and out of service for replacement of diatomaceous-earth coating.
* Records instrument readings and laboratory test results in operating log.
* Inspects equipment for malfunctions, wear, and leaks, reporting need for repairs to maintenance personnel.
Industry:Professional careers
A professional who tends equipment that removes excess acid from nitrated crude tetryl explosive, preparatory to further processing. Respnsibilities include:
* Opens valve to load vacuum pan with tetryl slurry.
* Turns steam jet to draw off excess acid.
* Shovels and scrapes remaining moist powder from pan, grids, and filter cloth; and flushes it with water hose down into funnel leading to washing tubs.
* May neutralize acid water from subsequent washing operations.
* May shovel specified amounts of lime into hopper of lime feeder that neutralizes acid water from subsequent washing operations.
Industry:Professional careers
A professional who performs duties as described under apprentice master title.
Industry:Professional careers
A professional who repairs, maintains, and installs oil well drilling machinery and equipment, using handtools and following oral and written work orders. Respnsibilities include:
* Attaches hoisting cables to pumps, transmissions, diesel engines, and other equipment at drill sites, lashes equipment to trucks for transfer to repair yard, and guides lowering of equipment onto blocks in or near repair shop.
* Disassembles engines and mechanical units, using hand and power wrenches, screwdrivers, and other handtools.
* Cleans parts, such as pistons, valves, and parts of transmissions and clutches, using steam hose and detergents.
* Inspects parts for defects.
* Installs specified new or reconditioned parts, such as relined brake bands and clutch plates, sprockets, pump cylinders, and other parts of engines and mud pumps.
* Reassembles complete units.
* Tests function of pumps and other mechanical units, using auxiliary power.
* Test-runs engines at various speeds and observes efficiency of operations.
* Welds broken structures, such as engine mounts, hand rails, machine guards, and pipe racks, using electric and acetylene welding equipment.
* Paints reconditioned units, using spray gun.
* Installs repaired equipment at drill sites, observes operations, and readjusts components, as necessary.
* May maintain, repair, and install machinery and equipment at drill sites and be designated Field Mechanic (petrol.
* & gas).
Industry:Professional careers
A professional who replaces plugs used to form inside diameter of seamless tubing in rolling mill machines. Respnsibilities include:
* Screws specified plug on end of rolling-mill mandrel with tongs or positions plug in trough of rolling mill, using hoist, preparatory to forming tube.
* Removes hot plug with tongs or hoist after tube has been rolled.
* Immerses hot plug in bosh tank for cooling.
* Moves controls to charge and discharge pipe shells from reheating furnace.
Industry:Professional careers
A professional who sets up and operates forging and shop equipment to repair leaf-type springs used in automotive vehicles. Respnsibilities include:
* Raises vehicle body, using jack, and removes defective spring.
* Removes defective leaves from spring, using handtools.
* Measures broken leaves and cuts out replacement leaf blanks from steel stock, using flame cutter or power shear.
* Presses ends of main-leaf blank against disk of bench grinder to bevel blank according to size of eyes to be formed.
* Drills or punches bolt holes in blanks, using drill or punch press.
* Places ends of main-leaf blank in furnace to soften ends and shapes ends of blank into eyes, using eye-forming tool.
* Reheats leaves and arches them to required specifications, using peen hammer.
* Quenches spring leaves in oil to temper them according to specifications.
* Places graphite-impregnated lining between leaves to prevent friction.
* Bolts and clips leaves together and forces bushings into spring eyes, using bushing press.
Industry:Professional careers
