- Industry: Government; Labor
- Number of terms: 77176
- Number of blossaries: 0
- Company Profile:
A professional who feeds jeweled settings, right-side-up, into hoppers of automatic machines in clock and watch manufacturing plant, using tweezers.
Industry:Professional careers
A professional who operates sound-testing equipment to detect defects in machinery ball bearing assemblies and diagnoses causes of defects. Responsibilities include:
* Turns dials on equipment to specified setting.
* Slides bearing on adapter arm and starts machine to rotate inner ring of bearing.
* Listens through headphones to detect sounds that indicate mechanical defect in bearing and to determine probable cause of defect.
* Separates defective bearings and sorts bearings for scrap or salvage.
Industry:Professional careers
A professional who sets up machines to grind and polish edges or surfaces of lens blanks. Responsibilities include:
* Selects specified grinding and polishing tools and secures tools to machine spindles, using handtools.
* Turns adjustment screws to set radius of grinding and polishing arm stroke according to size of lens holding block.
* Sets time cycle which automatically stops machines on completion of grinding and polishing process.
* Tilts and secures generator machine head at required angle with workpiece according to specified curve and thickness of lens.
* Installs and adjusts lens holders and diamond wheel on edging machines according to diameter of lens.
* May dress grinding wheel.
Industry:Professional careers
A professional who straightens timepiece dial holding feet, using holding device and gauge. Responsibilities include:
* Positions dial in holding device, aligning feet with holes in fixture of device.
* Closes collet of device that squeezes and straightens feet.
* Places dial in gauge that duplicates watch movement to determine that feet are straight and properly positioned and that center and second holes are correctly placed.
Industry:Professional careers
A professional who moves metal objects, such as castings, billets, machine parts, sheet metal subassemblies, or arrowheads, against abrasive wheel of bench grinder to grind, smooth, or rough-finish objects to specifications. Responsibilities include:
* Clamps workpiece in workholder or jig, or holds it in hands, and feeds it against rotating grinding wheel to remove excess metal, scratches, or burs.
* Examines or measures workpiece for conformance to standards.
* Guides dressing tool across wheel to true surface.
* Replaces worn wheels, using wrench.
* May position workpiece in automatic feed mechanism.
* May select and mount abrasive wheels of different grit size to grinder to obtain specified finish on workpiece.
* May start pump and direct coolant flow against wheel.
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 forms chains for watches and other jewelry articles. Responsibilities include:
* Feeds wire into machine.
* Hooks together ends of chain formed by machine, using pliers, and solders on trimming.
* May be designated according to type of chain as novelty-chain maker.
Industry:Professional careers
A professional who etches lettering, trademarks, or designs through silk screen onto metal objects, such as plates, jewelry, trophies, cutlery, and tools. Responsibilities include:
* Positions object to be etched on setup board.
* Places silk screen of specified design or lettering over object.
* Brushes specified acid solution through silk screen to etch design on object.
* Rinses workpiece in neutralizing solution after specified time to remove acid, or places it on conveyor which carries workpiece into bath.
* May brush acid resistant solution through screen and place workpiece into acid bath to etch pattern on unprotected surface.
Industry:Professional careers
A professional who performs duties as described under apprentice master title.
Industry:Professional careers
A professional who operates lathe to turn watch gear blanks (barrels) to size preparatory to milling.
* Positions barrels into chuck of lathe.
* Starts lathe and holds tool against material.
* Gauges finished barrels, using measuring device.
Industry:Professional careers
