- Industri: Government; Labor
- Number of terms: 77176
- Number of blossaries: 0
- Company Profile:
A professional who casts metal into sheets and forms metal pipes for pipe organs, using handtools and knowledge of metal properties and pipe making. Responsibilities include:
* Melts mixture of lead and tin in melting pot.
* Pours molten metal onto flat table to form sheets.
* Brushes sizing onto sheets and cuts sheets, using hook-knife and power shears.
* Hand-rolls sheets into tubes on mandrel, using handtools.
* Scrapes edges, using handtool to obtain required angle for soldering and solders seam.
* Places pipe on mandrel and hammers pipe, using mallet to form and finish mouth.
* Hand-rolls annealed sheet zinc in similar manner to form larger pipes.
Industry:Professional careers
A professional who clips assembled leaf springs together by any of following methods. Responsibilities include:
* (1) Inserts bolt through end holes in u-shaped clip and tightens nut, using impact wrench.
* (2) Inserts bolt through hole in end of spring and positions spring and clip in holding device.
* Hammers clip around spring to align hole in clip over bolt.
* Tightens nut on bolt, using impact wrench.
* (3) Installs holding die and aligns spring end over clip.
* Starts press that automatically wraps clip around spring.
* Reams rough ends from main-leaf eyes, using drill press.
Industry:Professional careers
A professional who builds or repairs camera bellows, using handtools, power tools, and gluing equipment. Responsibilities include:
* Selects cardboard cone bellow form according to size of bellows.
* Cuts paper pattern of cone.
* Cuts lining and cover materials for bellows, according to pattern, using scissors or electric knife.
* Stretches lining around cone and glues overlapping edges to cone.
* Cuts cardboard strips (ribs) and glues strips to lining.
* Glues cover over ribbed lining and attaches front and rear metal frames, using glue and clamps.
* Trims excess material from assembly, using scissors and removes dried glue, using solvent and cloth.
* Compresses assembly over special frame to pleat material and form completed bellows.
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 bends metal and plastic tubing, according to specifications, for use in hydraulic, fuel, and electrical installations. Responsibilities include:
* Draws outline of tubing on cardboard or cuts wood forming blocks with band scroll saw, following templates.
* Screws blocks to forming board, as specified.
* Bends tubing by hand to conform to outline on cardboard or hammers tubing around forming blocks, using mallet.
* May heat plastic tubing in hot oil or water to facilitate bending.
* May operate circular power hacksaw to cut tubing.
* May bead, burr, and flare tubing.
* May assemble and test preformed metal tubing for use in hydraulic, fuel, and water systems of aircraft and spacecraft.
Industry:Professional careers
A professional who repairs aluminum extrusion dies, according to specifications, using powered handtools. Responsibilities include:
* Examines exterior of dies for defects, such as cracks or excessive wear, and observes exterior surface of extrusion samples to determine whether inside of dies need resurfacing or polishing.
* Secures dies in vise, and determines amount of metal to remove from die opening to restore die to specifications, using diagram and gauges.
* Selects abrasive bit and secures it in electric tool, and moves tool over die opening surface to remove, polish, or angle surface to specifications, utilizing experience and knowledge of dies.
* Heats dies with stress cracks in oven to soften metal and taps sides of dies to close cracks, using hammer and bit.
* Removes rough spots from exterior of repaired dies, using electric deburring tool.
* Verifies openings of new dies, using calipers and gauges, and monitors sample extrusions to determine whether press dies need repair.
Industry:Professional careers
A professional who inspects, repairs, and maintains parking meters on designated route. Responsibilities include:
* Winds meters according to schedule, adjusts mechanisms, and repairs or replaces worn parts, using handtools.
* Straightens meter standards, using wrenches, and replaces broken glass.
* Disassembles meter and cleans and oils parts with gasoline and carbon tetrachloride.
* Keeps records of machine service histories to facilitate preventive maintenance or replacement of meters.
Industry:Professional careers
A professional who tends battery of automatic machines that fill head cavity of rim-fire cartridge cases with priming mixture. Responsibilities include:
* Rubs moist priming mixture into holes in charger plate, using rubber handtool.
* Positions plate in holding fixture of priming machine.
* Starts machine that punches pellets of primming powder into cases and spins mixture into head cavity.
* Removes jammed cases from feed channels, using airhose or wire pick.
* Removes empty charger plate when machine stops.
Industry:Professional careers
A professional who fabricates reed assemblies for textile looms, using machines, handtools, and gauges. Responsibilities include:
* Inserts spool of wire in machine that cuts wire into dents (specified lengths) and consecutively fastens ends of dents to opposing coils of two parallel forming springs.
* Positions additional forming springs across rows of dents to reinforce assembly and ensure specified spacing of dents.
* Compresses springs in screw press and wires frame (steel band) around dents to form reed assembly of specified width.
* Packs lime preparation between dents and dips assembly into solder trough to solder dent ends to frame.
* Removes lime preparation, wires, and springs, using handtools.
* Inspects spacing of dents, using micrometer and feeler gauge.
* Corrects spacing, using straightening tool.
* Cleans and polishes reed assembly, using portable buffing wheel.
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
