- Industry: Government; Labor
- Number of terms: 77176
- Number of blossaries: 0
- Company Profile:
A professional who sets up and operates metal fabricating machines, such as brakes, rolls, shears, saws, and presses, to cut, bend, straighten, and form metal plates, sheets, and structural shapes according to blueprints and specifications. Respnsibilities include:
* Reads and interprets blueprints, engineering specifications, and shop orders to determine machine setup, production methods, and sequence of operation.
* Selects, positions, and secures dies, blades, cutters, and fixtures onto machine, using rule, square, shims, templates, handtools, and built-in gauges.
* Positions and clamps stops, guides, and turntables.
* Adjusts controls to set and regulate machining factors, such as pressure and depth of ram stroke, adjustment rolls, blade angle, and machine speed.
* Locates and marks bending or cutting lines and reference points on workpiece, using instruments, such as rule and compass, or by tracing from templates.
* Positions workpiece against stops and guides or aligns layout marks with dies or cutting blades manually or using hoist.
* Starts machine and observes machine operation to reposition workpiece, change dies, or adjust machine settings for multiple or successive passes.
* Inspects or measures work, using rule, gauges, and templates.
* May operate machines to fabricate nonmetallic materials, such as composites or plastics.
* May set up and operate sheet-metal fabricating machines only and be designated Sheet-Metal-Fabricating-Machine Operator.
Industry:Professional careers
A professional who operates equipment to test various types of triple air valves for conformance to federal and company safety standards. Respnsibilities include:
* Mounts valve on test frame and connects air supply hoses to valve, using portable power wrench.
* Moves test panel control levers singly or in combination to open or block air passages into different chambers of valve.
* Turns lever to inject air into unblocked chambers, reads gauges to determine specified pressure differentials, and to detect leaks, weak springs, and poor fits.
* Applies soapy water to valve with brush to pinpoint air leaks.
* Replaces defective parts.
* Rejects valves that do not meet specifications.
Industry:Professional careers
A professional who tends automatic machines that cut, bend, and couple wire links to form mesh mattress supports (fabrics) for cots, folding beds, and other furniture. Respnsibilities include:
* Mounts two spools of wire on machine racks and threads ends into feed rollers that form lengthwise and crosswise spring links.
* Starts machine and allows machine to operate until desired length of wire mesh has been fabricated.
* Inspects emerging fabric and replaces missing or defective links, using wire snippers and pliers.
* Adjusts cams and setscrews of machine to correct malfunctions, using handtools.
Industry:Professional careers
A professional who tends one or more power presses that trim, punch, shape, notch, draw, or crimp metal, composite materials, or plastic stock between preset dies. Respnsibilities include:
* Places workpiece against fixtures or stops on machine bed and under machine die, or threads roll of metal into jig.
* Starts press and monitors machine operation to detect misalignment or malfunction.
* Inspects parts visually, or with fixed gauges to verify conformance to specifications or to detect fabrication defects.
* May be designated according to product machined as sprue-cutting-press operator; or function of machine as forming-press operator ii; trimming-press operator; or according to type of press operated as multiple-punch-press operator ii.
Industry:Professional careers
A professional who tends machine equipped with rolls that removes dents and reforms bodies and chimes (rims) of metal barrels or drums. Respnsibilities include:
* Slides open end of barrel over cylinder in machine.
* Pulls lever to lower rolls against barrel.
* Starts machine that rotates barrel against rolls to reform or straighten side, bead, or chime.
* Raises rolls and slides barrel off cylinder.
Industry:Professional careers
A professional who inspects and tests automobiles and trucks to determine need for and cost of repairs. Respnsibilities include:
* Determines need for repairs by road test, by use of mechanical testing devices, by questioning customer about vehicle's performance, or by visual inspection of vehicle.
* Estimates cost of repair and prepares itemized work order, listing costs of parts and labor.
* May make minor adjustments or repairs, such as brake adjustment, battery cable replacement, or hinge lubrication.
* May supervise automobile-body repairer; automobile mechanic; painter, transportation equipment; and other garage workers.
* May be designated according to specialty as truck-repair-service estimator.
Industry:Professional careers
A professional who sets up automatic machines to assemble shotgun shells for loading with powder and shot. Respnsibilities include:
* Removes, replaces, and adjusts tools and parts, such as punches, dies, pins, dials, spindles, plungers, and hoppers, using handtools and gauges.
* Turns setscrews and stop nuts to adjust machine coiling and pressing mechanisms.
* Dismantles hoppers, feed tubes, and feed and press mechanisms to extract jammed components.
* Notifies maintenance mechanic to make major replacements or repairs.
Industry:Professional careers
A professional who fills metal tubes with hot pitch or other material to prevent warping during bending operations. Respnsibilities include:
* Heats pitch in vat and pours it into tubes, using pitcher or ladle.
* Hangs tubes in heated oven or on rack and heats them with torch to remove pitch.
* Dips empty tubes into vats of washing and rinsing solutions.
Industry:Professional careers
A professional who installs and repairs automotive air-conditioning units. Respnsibilities include:
* Bolts compressor to engine block and installs driving pulley on front end of crankshaft.
* Places fan belt on pulleys, adjusts tension, and tightens bolts.
* Bolts evaporator unit under dashboard or in trunk.
* Welds or bolts mounting brackets to automobile frame.
* Drills holes through interior panels, threads hoses through holes and connects hoses to compressor, evaporator, and cool-air outlet.
* Fills compressor with refrigerant and starts unit.
* Measures compressor pressure to determine efficiency of compressor, using gauge.
* Listens to operating unit for indications of malfunction.
* Removes faulty units from vehicles, disassembles them, and replaces worn and broken parts and fluid in unit.
* Makes electrical connections as required.
* May specialize in installation of automotive air-conditioning units and be designated Automotive Air-Conditioner Installer.
Industry:Professional careers
A professional who plans requirements for fabricating, installing, testing, and servicing climate control and heat transfer assemblies and systems to assist engineering personnel, utilizing knowledge of heat transfer technology and engineering methods. Responsibilities include:
* Calculates required capacities for equipment units of proposed system to obtain specified performance and submits data to engineering personnel for approval.
* Studies supplier catalogs and technical data to recommend equipment unit selections for system.
* Prepares unit design layouts and detail drawings for fabricating parts and assembling system.
* Estimates cost factors, such as labor and material for purchased and fabricated parts, and costs for assembling, testing and installing in customer's premises.
* Fabricates nonstandard parts for system, using metalworking machinery and assembles system, using handtools and power tools.
* Installs test fixtures, apparatus, and controls and conducts operational tests under specified conditions.
* Analyzes test data and prepares report for evaluation by engineering personnel.
* Installs system in customer premises and tests operational performance for compliance with contract specifications and applicable codes.
* Diagnoses special service problems of systems under service contract and writes instructions for service or repair personnel.
* May be designated according to specialty as Air-Conditioning Technician; Heating Technician; Refrigerating Technician.
Industry:Professional careers
