- Industri: Government; Labor
- Number of terms: 77176
- Number of blossaries: 0
- Company Profile:
A professional who sets up and operates machine to mold and vulcanize sponge rubber beading onto wire mesh strip to form weatherstripping for automobiles. Responsibilities include:
* Selects and installs machine parts, such as engraved rolls, rotary gang knives, folding and forming channels, and tubes of specified size and measurement to produce beading of diameter ordered, using wrenches.
* Mounts reels of canvas carrier strip and wire mesh in creels beneath and above machine table.
* Threads carrier strip and mesh through rollers, guides, folding channels, and into forming tubes for pick up by metal fingers that carry them through vulcanizing tubes for each row of rubber strip.
* Turns wingnuts and bolts, using pliers and wrenches, to adjust rollers and guides, to center rubber strip on canvas carrier, to position mesh vertically in crease of imprinted rubber strip at specified depth, and to ensure even folding of carrier canvas around rubber and rubber around bottom half of wire mesh.
* Adjusts rheostat for each vulcanizing tube to designated setting and observes heat indicators.
* Starts machine and feeds roll of uncured rubber stock between engraved rolls.
* Measures sample of imprinted strip for conformance to thickness specifications, using dial micrometer and turns capstan screws to adjust width between rolls.
* Adjusts rheostats to maintain vulcanizing heats within allowable degree limits.
* Calculates length of running time required to produce footage ordered on work ticket.
* Staples end of supply strip onto leader to replenish carrier strip and wire mesh.
* Turns wheel of variable speed motor to adjust speed of rollers and metal finger sprockets according to diameter of beading.
Industry:Professional careers
A professional who sets up and operates machine to mold and vulcanize sponge rubber beading onto wire mesh strip to form weatherstripping for automobiles. Responsibilities include:
* Selects and installs machine parts, such as engraved rolls, rotary gang knives, folding and forming channels, and tubes of specified size and measurement to produce beading of diameter ordered, using wrenches.
* Mounts reels of canvas carrier strip and wire mesh in creels beneath and above machine table.
* Threads carrier strip and mesh through rollers, guides, folding channels, and into forming tubes for pick up by metal fingers that carry them through vulcanizing tubes for each row of rubber strip.
* Turns wingnuts and bolts, using pliers and wrenches, to adjust rollers and guides, to center rubber strip on canvas carrier, to position mesh vertically in crease of imprinted rubber strip at specified depth, and to ensure even folding of carrier canvas around rubber and rubber around bottom half of wire mesh.
* Adjusts rheostat for each vulcanizing tube to designated setting and observes heat indicators.
* Starts machine and feeds roll of uncured rubber stock between engraved rolls.
* Measures sample of imprinted strip for conformance to thickness specifications, using dial micrometer and turns capstan screws to adjust width between rolls.
* Adjusts rheostats to maintain vulcanizing heats within allowable degree limits.
* Calculates length of running time required to produce footage ordered on work ticket.
* Staples end of supply strip onto leader to replenish carrier strip and wire mesh.
* Turns wheel of variable speed motor to adjust speed of rollers and metal finger sprockets according to diameter of beading.
Industry:Professional careers
A professional who tends pair of semiautomatic cylindrical grinders that grind typewriter and adding machine rubber platens and feed rollers to specified diameter and finish. Responsibilities include:
* Mounts platen between driving head and tailstock and trips lever causing carriage to bear platen against and across grinding wheel for coarse grind and rough finish.
* Removes platen, mounts it in second machine equipped with finer grit wheel, and grinds platen to specified diameter and desired finish.
* Examines finished platen for smoothness and for defects in rubber, such as scratches, graining, or holes.
* Measures platen for conformance to specified diameter, using c-gage.
* May tend double-bladed cutting device to trim excess rubber from ends of platen.
* May tend machine that grinds and finishes platens and rollers in single operation.
Industry:Professional careers
A professional who sets up and operates machine that automatically cuts outsoles for rubber footwear from slabs of uncured rubber or compressed cork. Responsibilities include:
* Bolts selected follower (template) on machine and mounts cutting blade in traveler against follower, using handtools.
* Starts machine and feeds slabs onto conveyor that carries them beneath follower, overlapping ends to form continuous strip.
* Lifts scrap rubber (web) from cutout outsoles and threads it through rollers that automatically strip it from outsoles and carry it off by conveyor to scrap truck.
* Calculates from work ticket, number of pairs and books required for each size sole ordered and advises booker, to remove cutout outsoles from other end of conveyor belt.
* Observes cut outsoles for ragged edges, indicating dulled blade.
Industry:Professional careers
A professional who operates machines to finish preformed plastic parts. Responsibilities include:
* Trims part to size and shape following template and using power grinder or power saw.
* Clamps template to part or positions part in jig and slots and drills part, using table or portable router and drill press or power hand drill.
* Sands edges and rough surfaces of part, using power sander.
* May trim, shape, and assemble metal or wood components of plastic part.
* May adjust and repair machines, using handtools.
Industry:Professional careers
A professional who tends bandsawing machine that cuts pieces of specified shape from sheets of materials, such as fiberglass, foam rubber, or parchment. Responsibilities include:
* Positions pattern on material and marks cutting lines.
* Stacks specified number of sheets and clamps them together.
* Starts saw and guides stock against blade, following cutting lines.
* Drills guide holes in stock to mark location for attachment of trim, using power drill.
Industry:Professional careers
A professional who sets up machine to split hides into layers. Responsibilities include:
* Turns setscrews on machine table to adjust rollers according to specified thickness of hide, using wrench.
* Verifies thickness of layers split from hides, using micrometer.
* Realigns or replaces parts, such as machine belt, knife, and rollers.
* Reads counter and records number of hides split by splitting-machine feeder.
Industry:Professional careers
A professional who tends machine that winds cellophane from one roll to another to remove folds, wrinkles, and slack. Responsibilities include:
* Positions roll on machine mandrel, using chain hoist, and wraps end of sheet around empty core.
* Moves controls to regulate machine speed and film tension.
* Passes hand over moving sheet to remove wrinkles and folds.
* Cuts defects, such as holes and tears from roll, and splices ends, using tape and hot iron.
* Removes rewound roll from machine and weighs and places it in rack, using chain hoist.
* Records number and weight of rolls wound.
Industry:Professional careers
A professional who tends electric shear-type cutting machine that cuts sheets of plastic materials into specified sizes. Responsibilities include:
* Adjusts cutting blade, guides, and stops, using handtools.
* Stacks sheets on machine bed and presses control to start machine.
* Assembles cut pieces in containers or cake-press frame to form specified color combination or configuration.
* Records amount of materials used and orders completed.
Industry:Professional careers
A professional who tends electric shear-type cutting machine that cuts sheets of plastic materials into specified sizes. Responsibilities include:
* Adjusts cutting blade, guides, and stops, using handtools.
* Stacks sheets on machine bed and presses control to start machine.
* Assembles cut pieces in containers or cake-press frame to form specified color combination or configuration.
* Records amount of materials used and orders completed.
Industry:Professional careers
