- Industri: Government; Labor
- Number of terms: 77176
- Number of blossaries: 0
- Company Profile:
A professional who sets up and operates machine to regroove tread surface of pneumatic tires without removing tire from vehicle. Responsibilities include:
* Raises front or rear of vehicle, using hydraulic jack.
* Positions regrooving machine beneath tire and secures in place.
* Measures depth of usable tread rubber, using awl.
* Sets cutting blades of machine to maximum depth consistent with safety.
* Guides blade to cut desired pattern in tread surface as machine automatically revolves tire.
* May groove tires by hand.
Industry:Professional careers
A professional who sets up and operates tuber machine to extrude rubber in specified form. Responsibilities include:
* Selects and installs die in machine, using handtools.
* Turns steam valve or lights gas burner to heat machine to desired temperature.
* Starts machine, turns dial for specified extrusion speed, and turns die screws to extrude stock of specified size.
* Feeds rubber stock into machine by hand or conveyor.
* Verifies dimensions of extruded rubber with gauge, calipers, and ruler.
* Turns wheels or pulls levers to synchronize conveyor with extruding speed.
* May be designated according to product extruded as garden-hose tuber-machine operator; inner-tube tuber-machine operator; rim-strip tuber-machine operator; rubber-flap tuber-machine operator; solid-tire tuber-machine operator; tread-tuber-machine operator.
* May cover braided fabric hose with rubber and be designated covering-machine operator.
Industry:Professional careers
A professional who tends equipment that cuts plastic materials to specified lengths. Responsibilities include:
* Mounts roll of plastic sheeting material on cutting-machine holding stand, using hoist.
* Sets cutting guides and moves knife to slice materials being unreeled across table.
* Examines sheets for defects and scraps and weighs unusable ones.
Industry:Professional careers
A professional who tends equipment that cuts plastic materials to specified lengths. Responsibilities include:
* Mounts roll of plastic sheeting material on cutting-machine holding stand, using hoist.
* Sets cutting guides and moves knife to slice materials being unreeled across table.
* Examines sheets for defects and scraps and weighs unusable ones.
Industry:Professional careers
A professional who sets up and operates variety of machines to cut, drill, punch, and grind molded and extruded rubber goods. Responsibilities include:
* Changes dies, drills, knives, abrasive wheels, and cutter bars as specified.
* Adjusts equipment, such as boring machine, tubing cutter, notch cutter, washer cutter, and grinding lathe, using handtools.
* Positions material, such as molded rubber parts, gaskets, tubing, and office machine rolls, in specified machine and starts machine to bore or punch holes in parts, cut washers from tubing, cut tubing to length, or grind tubing and machine rolls to size.
* Verifies size of rubber goods with calipers, ruler, plug gauge, and template.
* Inspects material and rejects defective items.
* May be designated according to machine operated as boring-machine operator; cutting-machine operator; lathe operator; notch-machine operator; or product finished as gasket notcher; roll grinder; washer cutter.
Industry:Professional careers
A professional who sets up and operates variety of machines to cut, drill, punch, and grind molded and extruded rubber goods. Responsibilities include:
* Changes dies, drills, knives, abrasive wheels, and cutter bars as specified.
* Adjusts equipment, such as boring machine, tubing cutter, notch cutter, washer cutter, and grinding lathe, using handtools.
* Positions material, such as molded rubber parts, gaskets, tubing, and office machine rolls, in specified machine and starts machine to bore or punch holes in parts, cut washers from tubing, cut tubing to length, or grind tubing and machine rolls to size.
* Verifies size of rubber goods with calipers, ruler, plug gauge, and template.
* Inspects material and rejects defective items.
* May be designated according to machine operated as boring-machine operator; cutting-machine operator; lathe operator; notch-machine operator; or product finished as gasket notcher; roll grinder; washer cutter.
Industry:Professional careers
A professional who operates machines to cut arch cushions from sponge rubber sheeting for rubber footwear, using either of following methods. Responsibilities include:
* Selects die plate or drum to produce specified size cushions and bolts die in feeder slide or locks die in cradle, using wrenches.
* Turns setscrews to adjust distance between hold-down roller, belt knife, and plate or drum, verifying clearances, using feeler gauges.
* (1) Pulls plate length of sheeting from roll, cuts material, using knife, and places sheeting on die plate.
* Moves lever to open suction valve that draws rubber sheeting into die plate cavities.
* Depresses pedal causing sheeting on plate to be carried through belt knife to cut cushions flush with plate surface.
* Returns plate to starting position.
* Removes excess stock for scrap or turns over salvable stock for second cut.
* Removes cut out cushion from die cavity and throws into storage box.
* (2) Mounts roll of sheeting in cradle, threads around hold-down and guide rollers, over rotary die drum and belt knife, and onto takeup reel.
* Starts automatic machine to cut cushion from sheeting.
* Positions carton under discharge end of conveyor to catch cushions.
* Weighs filled cartons to count number of cushions, using conversion chart, and adds or removes cushions to obtain specified amount.
Industry:Professional careers
A professional who sets up and operates battery of ball-truing machines to grind bowling balls spherically to size and smooth them preparatory to finishing and polishing. Responsibilities include:
* Installs conical grinding rings on opposing spindles and adjusts clearances and angle of cut, using wrenches and gauges.
* Places rough cast ball on holding pad between grinding rings and turns valve to start cooling water to flow over ball.
* Starts machine and moves dial pointer to preset running time cycle on each quadrant of ball.
* Removes ball from holding pad and gauges it with ring or calipers and rule to ensure specified size tolerances.
* May mark imperfections on ball to be drilled and plugged, using crayon.
Industry:Professional careers
A professional who operates lasting machine to press and shape toe or heel sections of upper on last. Responsibilities include:
* Places upper on last in steamer to soften leather.
* Removes upper from steamer, places last on pin jack, and stretches edges of upper over last, using lasting tool. Moves controls to close heel clamp and raise toe or heel into wiping (smoothing) position.
* Moves controls to cause wipers to press upper edges against insole.
* May press heated toe iron against upper edges to flatten wiped edges.
* May trim excess box toe and lining, using knife.
* May tack upper or counter insole in place to be stitched or to hold edges until cement dries.
Industry:Professional careers
A professional who operates machine to cut rubberized (calendered) fabric on bias for use as plies or other components in tire construction. Responsibilities include:
* Turns thumbscrew or setscrew to adjust measuring arm, protractor, and liner roll to feed and cut fabric according to specified width and angle of bias.
* Pulls fabric from roll mounted on letoff rack, inserts through liner roll, and positions under knife on bias-machine table.
* Starts machine and adjusts speed of feed and cutting action.
* Starts conveyor that carries material to splicer.
* Measures plies to verify width and angle, using ruler and protractor.
* May be designated according to purpose of fabric cut as band-bias-machine operator; or type of machine as vertical bias-cutting-machine operator.
Industry:Professional careers
