- Industry: Government; Labor
- Number of terms: 77176
- Number of blossaries: 0
- Company Profile:
A professional who operates one or more previously setup broaching machines to broach internal or external surfaces of metal workpieces to specifications, on production basis. Respnsibilities include:
* Examines blueprints or work order to determine finished specifications of workpiece.
* Lifts workpiece manually or using hoist, and places and secures it in holding fixture, using handtools.
* Starts machine, observes operation, and verifies conformance of broached workpieces to specifications, using measuring instruments, such as fixed gauges, calipers, and micrometers.
* Moves controls to adjust cutting speeds.
* Changes worn broaches.
* May aid machine setter in setting up machine.
* May place workpiece on spindle of revolving turntable which automatically feeds broached workpiece to power conveyor.
Industry:Professional careers
A professional who sets up and operates scalper (milling) machine to mill defects from surfaces of ingot to prepare it for rolling. Respnsibilities include:
* Adjusts scalper blades to depth of cut required and positions holding jaws to width of ingot, using handwheel, setscrews, and handtools.
* Lifts ingot from skid to entry table, using hoist.
* Starts lifting table that positions ingot in jaws of machine carriage.
* Starts machine to make first cut.
* Releases ingot from carriage, inverts ingot, using roller manipulators, and repositions it in carriage for second cut, using button controls.
* Cleans machine lubricant from scalped ingot with squeegee.
* Stacks scalped ingots on skid.
* May record weight of ingot on production form.
Industry:Professional careers
A professional who sets up and operates scalper (milling) machine to mill defects from surfaces of ingot to prepare it for rolling. Respnsibilities include:
* Adjusts scalper blades to depth of cut required and positions holding jaws to width of ingot, using handwheel, setscrews, and handtools.
* Lifts ingot from skid to entry table, using hoist.
* Starts lifting table that positions ingot in jaws of machine carriage.
* Starts machine to make first cut.
* Releases ingot from carriage, inverts ingot, using roller manipulators, and repositions it in carriage for second cut, using button controls.
* Cleans machine lubricant from scalped ingot with squeegee.
* Stacks scalped ingots on skid.
* May record weight of ingot on production form.
Industry:Professional careers
A professional who sets up and operates semiautomatic tooth-cutting machine to shape teeth on watch escape wheels. Respnsibilities include:
* Positions stack of blanks on arbor, inserts and locks arbor in machine spindle, and starts machine which automatically stops at end of cycle.
* Removes wheel from machine and verifies dimensions of wheel diameters in ring go-not-go gauge.
* Examines wheel under toolmaker's microscope and compares its blown-up shadow with scale drawing on projector screen to determine if wheel conforms to specified tolerances.
* Adjusts machine, using handtools, to correct for size and dimensions until parts are within tolerances, or to accommodate different size wheels.
* May operate bank of milling machines.
* May be designated according to type of wheel cut as contact wheel tooth cutter.
Industry:Professional careers
A professional who operates machine to cut teeth in clock and watch wheels. Respnsibilities include:
* Clamps wheel blank in chuck of dividing head of machine.
* Mounts and adjusts cutting tools of specified sizes in turret.
* Starts motor, causing turret to rotate tool that cuts out groove in wheel.
* Turns turret to successively blank and cut groove to specified depth and width, using different sized tools.
* Verifies depth and width of cut, using precision gauges, and quality of cut, using jeweler's loupe.
Industry:Professional careers
A professional who operates routing machine to cut and shape individual printed circuit boards (PCB's) according to specifications. Respnsibilities include:
* Positions and secures PCB's between dies or on templates.
* Positions secured PCB on router platform to align connector edges with machine cutter.
* Adjusts cutter spindle, using wrenches, and installs cutter of specified size on spindle.
* Flips switch to activate routing machine.
* Turns calibrated dials on routing machines to specified markings on dials to adjust milling dimensions of router.
* Manually guides edges of board against cutter to rout connector edges.
* Measures dimensions of board, using vernier calipers, to verify that board is routed according to specifications.
* Separates dies or removes template from PCB.
* May operate shearing machine to separate PCB from panels.
* May operate slotting machine to mill slots in PCB's.
Industry:Professional careers
A professional who tends battery of machines that cut spiral grooves into bores of artillery and small arms weapons by either of following methods. Respnsibilities include:
* (1) Inserts barrel in collet of machine and button in hole of push rod attachment on machine.
** Starts machine to rotate barrel and feed it over button to impress grooves in bore.
* (2) Locks broach or hook cutter in drawing head and barrel in indexing head of broaching machine, using wrenches.
* Moves levers to regulate automatic feed and to cut rifling to specified depth and twist.
* Cleans bore, using cleaning rod and patch, and examines bore for burrs and scratches.
* Measures rifling for conformance to specifications, using dial and depth gauges.
* May be designated according to type of rifling tool used as broach barrel rifler; button barrel rifler; hook barrel rifler.
Industry:Professional careers
A professional who tends battery of machines that cut spiral grooves into bores of artillery and small arms weapons by either of following methods. Respnsibilities include:
* (1) Inserts barrel in collet of machine and button in hole of push rod attachment on machine.
** Starts machine to rotate barrel and feed it over button to impress grooves in bore.
* (2) Locks broach or hook cutter in drawing head and barrel in indexing head of broaching machine, using wrenches.
* Moves levers to regulate automatic feed and to cut rifling to specified depth and twist.
* Cleans bore, using cleaning rod and patch, and examines bore for burrs and scratches.
* Measures rifling for conformance to specifications, using dial and depth gauges.
* May be designated according to type of rifling tool used as broach barrel rifler; button barrel rifler; hook barrel rifler.
Industry:Professional careers
A professional who tends machine that forms burrs (teeth) on surface of file blanks. Respnsibilities include:
* Adjusts cutting tool in reciprocating arm of machine to obtain burrs of specified height.
* Positions blank in jig geared to reciprocating arm for automatic burr spacing.
* Starts machine that automatically feeds blanks to cutting tool.
Industry:Professional careers
A professional who tends automatic machine that cuts jewel settings to specified thickness and bevels corners.
* Places hopper in automatic feed.
* Measures thickness of stripped settings with dial indicator, and inspects finished work for appearance.
Industry:Professional careers
