- Industry: Government; Labor
- Number of terms: 77176
- Number of blossaries: 0
- Company Profile:
A professional who operates three-stage collet making machine to cut and chamfer outside diameters of watch collets, face them to specified thickness, drill hairspring hole, and saw slot in collet. Respnsibilities include:
* Feeds collet into machine and starts machine.
* Removes collets by hand, verifies finished collet dimensions, using precision gauges, and makes minor adjustments to machine to keep product within required tolerances.
Industry:Professional careers
A professional who operates machine to cut and deburr brass wind instrument tubes, and controls equipment to anneal tubes. Respnsibilities include:
* Sets length gauge of saw and pushes tubes into rotating blade to cut tubes to specified length.
* Inserts burring tool into chuck of turning lathe and holds tube ends against rotating burring tool to remove burs.
* Places tubes in oven or on sprockets of wheel that revolves between two torches to anneal tubes for ease of bending.
* May fill tube with pitch to facilitate bending tube manually around forming block.
* Places tube in oven to melt pitch for removal from tube.
* May place tube in balling-out mold and push steel balls through tube to size part or remove wrinkles.
Industry:Professional careers
A professional who operates machines, such as lathe and drill press, to machine centrifugal switch assemblies for electric motors, performing any combination of following duties. Respnsibilities include:
* Positions switch bore and hub cylinder in fixture on hydraulic press.
* Starts press to lower ram and force hub into switch bore.
* Clamps assembly to bed of drill press and starts press to ream bore of hub cylinder to specified size.
* Verifies diameter of bore, using plug gauge.
* Mounts switch assembly to lathe and inserts specified cutting tool in tool holder.
* Sets cutting tool to specified depth of cut, using micrometer.
* Starts lathe to cut outside diameter of switch, to cut slot in contact surface, or to remove rivet heads and burs.
* Verifies diameter of switch or depth of slot, using micrometer or plug gauge.
* Mounts switch to test motor.
* Starts motor and turns control spring setscrew, observing tachometer, until switch opens at specified revolutions per minute.
* Inserts mandrel in bore of switch assembly and mounts assembly in test stand.
* Rotates mandrel and observes assembly for static balance.
* Drills metal from rivet heads or solders additional metal onto heads to balance switch assemblies.
* Mounts assembly to lathe and adjusts dial indicator to specified setting.
* Starts lathe and observes dial indicator to test balance of assembly.
Industry:Professional careers
A professional who operates machines, such as lathe and drill press, to machine centrifugal switch assemblies for electric motors, performing any combination of following duties. Respnsibilities include:
* Positions switch bore and hub cylinder in fixture on hydraulic press.
* Starts press to lower ram and force hub into switch bore.
* Clamps assembly to bed of drill press and starts press to ream bore of hub cylinder to specified size.
* Verifies diameter of bore, using plug gauge.
* Mounts switch assembly to lathe and inserts specified cutting tool in tool holder.
* Sets cutting tool to specified depth of cut, using micrometer.
* Starts lathe to cut outside diameter of switch, to cut slot in contact surface, or to remove rivet heads and burs.
* Verifies diameter of switch or depth of slot, using micrometer or plug gauge.
* Mounts switch to test motor.
* Starts motor and turns control spring setscrew, observing tachometer, until switch opens at specified revolutions per minute.
* Inserts mandrel in bore of switch assembly and mounts assembly in test stand.
* Rotates mandrel and observes assembly for static balance.
* Drills metal from rivet heads or solders additional metal onto heads to balance switch assemblies.
* Mounts assembly to lathe and adjusts dial indicator to specified setting.
* Starts lathe and observes dial indicator to test balance of assembly.
Industry:Professional careers
A professional who sets up and operates machine that notches identification nicks in cutting die edge. Respnsibilities include:
* Grinds burrs from cutting edge of die, using abrasive wheel.
* Obtains nicking tools specified on template.
* Bolts tools to machine bed, using wrench.
* Heats cutting edge of die to soften metal, using acetylene torch.
* Positions heated die edge between nicking tools.
* Pulls lever to close tools that notch identification nicks in die edge.
Industry:Professional careers
A professional who sets up and operates machine that notches identification nicks in cutting die edge. Respnsibilities include:
* Grinds burrs from cutting edge of die, using abrasive wheel.
* Obtains nicking tools specified on template.
* Bolts tools to machine bed, using wrench.
* Heats cutting edge of die to soften metal, using acetylene torch.
* Positions heated die edge between nicking tools.
* Pulls lever to close tools that notch identification nicks in die edge.
Industry:Professional careers
A professional who operates machine to automatically shape and cut wire stock to form watch screws. Respnsibilities include:
* Inserts wire in machine and starts machine that turns head and shank to specified size to form screw, threads and cuts screw to specified length, and slots head.
* Measures thread and length of finished screw under loupe to determine if it meets specifications, using pitch gauge and upright gauge.
* Maintains machine adjustment to keep product within specifications.
Industry:Professional careers
A professional who inspects materials and products, such as sheet stock, auto body or engine parts, dental instruments, machine shop parts, and metal castings, for conformance to specifications, using fixed or preset measuring instruments. Respnsibilities include:
* Examines material or product for surface defects, such as cracks, pits, and incomplete welds.
* Compares product with parts list or sample model to ensure completion of assembly.
* Verifies specified dimensions of product or material, using inspection equipment, such as fixed gauges, templates, and preset micrometer, vernier height gauges, and dial indicator.
* Rejects defective parts, and marks type of defect on part, container of parts, or inspection tag.
* May test parts for hardness, using hardness tester.
* May test products for structural defects, such as leaks and internal cracks, using water pressure tests.
* May test mechanisms for clearance and freedom of movement.
* May be designated filters inspector.
Industry:Professional careers
A professional who tends machine that sorts metal balls according to size, roundness, or surface defects, such as nicks, scratches, or dents. Respnsibilities include:
* Adjusts settings on control panel, sets graduated opening on gauge slide, or selects and installs gauging screen in barrel of machine through which balls drop into containers according to variation from specified dimensions.
* Loads balls into feed hopper, and starts machine that automatically sorts standard size, oversize, undersize, and defective balls into separate pockets or containers.
* May visually examine or measure sample balls from each container, using micrometer or fixed gauge and label containers, according to quality and quantity of sorted balls.
* May weigh balls on balance scale and record weight and grades on work ticket.
Industry:Professional careers
A professional who tends battery of automatic engraving machines that inscribe numerals and words on watch parts. Respnsibilities include:
* Loads paddle manually with specified watch parts.
* Inserts paddle into machine and pulls lever to automatically secure paddle in position for scribing.
* Presses button to start machine operation and initiate engraving cycle.
* Inspects finished pieces to detect engraving faults, such as skips, incorrectly located engraving, and irregular cut, using loupe and location gauge.
Industry:Professional careers
