- Industry: Government; Labor
- Number of terms: 77176
- Number of blossaries: 0
- Company Profile:
A professional who tends automatic buffing machine that buffs parts, such as automobile hardware or trim. Respnsibilities include:
* Loads parts on holding fixture of revolving table that is preset for regular indexing and starts machine.
* Removes buffed parts and examines them for surface defects.
* Places buffed parts into shallow tray and covers them with cardboard separators.
* Informs buffer I or buffing-line set-up worker of buffing defects.
* May maintain count of buffed parts and parts which do not meet specifications.
Industry:Professional careers
A professional who sets up and operates battery of machines that automatically buff shells for silver-plated hollowware, such as bowls, tea sets, vegetable dishes, and gravy boats, to remove scratches and pressmarks and impart smooth finish for subsequent plating. Respnsibilities include:
* Selects buffing wheel of size and shape to match workpiece and bolts it to stationary drive shaft.
* Selects jig to match exterior or interior shape of workpiece and bolts it to chuck on lathe arbor.
* Clamps workpiece in jig and turns stop nuts to position assembly against buffing wheel.
* Turns knobs of timing device to regulate buffing time according to kind and thickness of metal and surface area to be buffed.
* Starts machine and holds stick of compound to wheel to coat wheel with abrasive.
* Observes operation and removes workpiece when machine stops at end of timed cycle.
Industry:Professional careers
A professional who operates machine to sharpen cylinders of circular saws used in linter machines. Respnsibilities include:
* Removes saw cylinders from linter machine and mounts cylinder in feeding head of sharpening machine.
* Examines saw blades to determine amount of cut necessary to sharpen them.
* Turns handwheels to set cutting control to specified depth of cut for saw teeth, and to adjust space between cutting tools.
* Starts machine and observes operation.
Industry:Professional careers
A professional who sets up and operates one or more semiautomatic machines to buff silver or stainless steel flatware between cloth or felt rolls to impart mirrorlike finish. Respnsibilities include:
* Mounts buffing rolls in machine holders, using wrenches.
* Turns adjustment wheel and observes pressure dial to set distance between rolls.
* Turns setscrews and stop nuts to adjust motion of machine table.
* Starts rollers, turns valve, and depresses pedal to spray buffing compound across rolls or pulls bar-mounted stick of compound across them.
* Squeezes handles to open jaws of holding fixture and grip ends of workpieces racked in position on racking table.
* Inserts and locks fixture in sleeves of machine table, with blades, tines, bowls, or handles of workpieces inserted between buffing rolls.
* Starts machine that closes rolls on workpieces, rocks machine bed up and down and side to side to ensure complete buffing, separates rolls, and retracts machine bed after completion of preset time cycle.
* Inspects luster of workpieces and adjusts pressure of rolls or changes rolls to buff flatware to desired finish.
* May position workpieces in racks on racking table.
* May dump buffed flatware from racks onto conveyor for inspection.
* May dip ends of workpieces in buffing paste.
Industry:Professional careers
A professional who sets up and operates belt sanding machine to polish flat metal surfaces, such as small arms parts and metal strips. Respnsibilities include:
* Pushes button to lower drive wheel and installs abrasive belt of specified grit, using wrenches.
* Places metal part on conveyor belt and turns knobs to raise conveyor and bring workpiece into contact with polishing belt.
* Turns valves to regulate flow of coolant onto polishing belt and starts machine.
* Examines first run part to determine conformance of finish to specifications and adjusts height of conveyor as indicated to achieve specified finish.
* Replaces worn polishing belts, fills coolant tank, and cleans collection tank, using handtools, to maintain machine in operating condition.
Industry:Professional careers
A professional who sets up and operates drill-sharpening machine (sharpener) to sharpen drill bits used in numerically controlled drill for fabricating printed circuit boards (PCB's). Respnsibilities include:
* Reads work order to determine number and size of drill bits to be sharpened.
* Inserts drill bits into cleaning machine, point-side down, that automatically starts brushes rotating to clean and remove debris from dull bits.
* Removes drill bit from cleaning machine and measures bit to verify specified size, using micrometer.
* Selects corresponding size bushing (brass sleeve) and mounts bushing into chuck of sharpener, using handtools.
* Inserts drill bit in chuck of sharpener and activates table that moves chuck and bit assembly through rotating abrading wheels to sharpen both sides of drill bit.
* Flips switch to release chuck and drill bit and removes bit.
* Observes sharpened bits under optical microscope to detect defects, such as chips or breaks.
* Discards defective drill bits.
* Places sharpened drill bits in box, point-end up.
* May clean sharpener.
Industry:Professional careers
A professional who sets up and operates drill-sharpening machine (sharpener) to sharpen drill bits used in numerically controlled drill for fabricating printed circuit boards (PCB's). Respnsibilities include:
* Reads work order to determine number and size of drill bits to be sharpened.
* Inserts drill bits into cleaning machine, point-side down, that automatically starts brushes rotating to clean and remove debris from dull bits.
* Removes drill bit from cleaning machine and measures bit to verify specified size, using micrometer.
* Selects corresponding size bushing (brass sleeve) and mounts bushing into chuck of sharpener, using handtools.
* Inserts drill bit in chuck of sharpener and activates table that moves chuck and bit assembly through rotating abrading wheels to sharpen both sides of drill bit.
* Flips switch to release chuck and drill bit and removes bit.
* Observes sharpened bits under optical microscope to detect defects, such as chips or breaks.
* Discards defective drill bits.
* Places sharpened drill bits in box, point-end up.
* May clean sharpener.
Industry:Professional careers
A professional who tends pneumatic reaming machine that removes burrs from inner surface of copper bands. Respnsibilities include:
* Selects reaming fixture (steel spring having cutting edge around outer surface of each coil) of desired size, and secures it in place.
* Fastens metal trough in place and aligns copper bands in trough.
* Opens compressed air line and starts machine that pushes reaming fixture through bands.
* Removes bands by sliding hooked metal bar through reamed holes.
Industry:Professional careers
A professional who tends single-spindle, horizontal machine that smooths and polishes shotgun barrel bores. Respnsibilities include:
* Clamps barrel in holding fixture and secures polishing rod in machine headstock.
* Wraps emery cloth on rod tip to form polishing tool.
* Starts machine and turns wheel to feed rotating polishing rod through barrel.
* Varies rate of feed according to resistance sensed through wheel.
* Pushes tow-tipped cleaning rod through polished barrel and sights through bore to inspect finish for defects.
Industry:Professional careers
A professional who tends single-spindle, horizontal machine that smooths and polishes shotgun barrel bores. Respnsibilities include:
* Clamps barrel in holding fixture and secures polishing rod in machine headstock.
* Wraps emery cloth on rod tip to form polishing tool.
* Starts machine and turns wheel to feed rotating polishing rod through barrel.
* Varies rate of feed according to resistance sensed through wheel.
* Pushes tow-tipped cleaning rod through polished barrel and sights through bore to inspect finish for defects.
Industry:Professional careers
