- Industry: Government; Labor
- Number of terms: 77176
- Number of blossaries: 0
- Company Profile:
A professional who examines finished rolls of cellophane for defects and verifies accuracy of roll labels. Respnsibilities include:
* Observes and feels rolls passing on conveyor to detect flaws, such as wrinkles, streaks, or tears on edges.
* Measures width and diameter of rolls, using tape rule.
* Compares identification labels with specifications to prevent errors.
* Pushes rejected rolls onto table.
* Records number of rolls processed and number of rolls rejected.
Industry:Professional careers
A professional who examines finished rolls of cellophane for defects and verifies accuracy of roll labels. Respnsibilities include:
* Observes and feels rolls passing on conveyor to detect flaws, such as wrinkles, streaks, or tears on edges.
* Measures width and diameter of rolls, using tape rule.
* Compares identification labels with specifications to prevent errors.
* Pushes rejected rolls onto table.
* Records number of rolls processed and number of rolls rejected.
Industry:Professional careers
A professional who operates four-roll calender to coat fabric with rubber or produce plastic sheeting and roll sheets to specified thickness. Respnsibilities include:
* Adjusts automatic control and observes temperature dial to heat calender rolls to specified temperature.
* Starts machine and adjusts conveyor speed to regulate feeding of stock.
* Turns adjustment wheels of rollers to specified settings to stretch fabric for calendering.
* Verifies thickness and width of calendered stock with gauge and ruler.
* Positions knife to trim edge of calendered fabric.
* Interprets work orders, assigns duties, and informs crew of processing specifications.
* May operate equipment from control board.
Industry:Professional careers
A professional who tends windup rack on four-roll calender that winds calendered fabric onto liner rolls. Respnsibilities include:
* Starts festoons that accumulate fabric during roll change, and stops windup rack.
* Cuts fabric with scissors between machine and full roll and guides fabric into roll on auxiliary rack with aid of calender-wind-up helper.
* Stops festoons, starts windup rack, and moves tension and speed levers to wind new roll.
* Places full roll onto scale, using hoist.
* Reads yardage gauge and compares roll weight with standard on yardage chart for conformance to specifications.
* Notifies calender operator, four-roll of weight discrepancies or fabric defects, such as wrinkles and spread cords.
* May run identification strings into calendered stock as windup proceeds.
Industry:Professional careers
A professional who tends machine that combines two continuous sheets of material, such as rubber, sponge rubber, fabric, felt, or fleece, working as team member. Respnsibilities include:
* Transfers rolls of material to and from machine, using handtruck, and lifts or hoists rolls into cradles, using chain hoist.
* Threads ends of cemented and noncemented materials over feed rollers, between combining rollers, and onto single takeup roll. Turns wheels or capstan bolts to set pressure of combining rolls by trial and error to produce complete adhesion of both materials.
* Starts machine and moves lever to engage clutch and start material winding.
* Leans against one rotating roll of material to control tension and pulls or feeds edge to align it with other roll, while other worker controls tension and aligns material on opposite end of roll.
* Stops winding when either feeder roll is empty and cuts off other roll of material to match length, using scissors.
* Tapes ends of unused material, reads yardage indicator, and marks amount left on roll.
Industry:Professional careers
A professional who tends machine that combines two continuous sheets of material, such as rubber, sponge rubber, fabric, felt, or fleece, working as team member. Respnsibilities include:
* Transfers rolls of material to and from machine, using handtruck, and lifts or hoists rolls into cradles, using chain hoist.
* Threads ends of cemented and noncemented materials over feed rollers, between combining rollers, and onto single takeup roll. Turns wheels or capstan bolts to set pressure of combining rolls by trial and error to produce complete adhesion of both materials.
* Starts machine and moves lever to engage clutch and start material winding.
* Leans against one rotating roll of material to control tension and pulls or feeds edge to align it with other roll, while other worker controls tension and aligns material on opposite end of roll.
* Stops winding when either feeder roll is empty and cuts off other roll of material to match length, using scissors.
* Tapes ends of unused material, reads yardage indicator, and marks amount left on roll.
Industry:Professional careers
A professional who operates letoff, dipping, and drying units of four-roll calender to bond rubber to fabric. Respnsibilities include:
* Positions fabric roll in letoff rack, using hoist, and starts festoon. Splices undipped roll to end of roll in process by inserting gum strip between ends and aligning splice in vulcanizer to cure splice.
* Adjusts guides and pretension rolls to maintain specified width of fabric during dip process.
* Moves controls on central switch panel to adjust drier temperature, solution level in dip tank, and festoon speed.
* Notifies calender operator, four-roll of material defects or machine malfunction.
* May mix ingredients in agitator drum according to written specifications to make dip solutions.
* When operating dip unit independently of calender, tends windup rack and is designated Dip-Unit Operator.
Industry:Professional careers
A professional who operates machine to apply cement to masking paper and press coated paper onto surfaces of plastics sheets to provide protection during final processing and shipping. Respnsibilities include:
* Positions paper roll on mandrel, using chain hoist.
* Threads paper through machine.
* Turns valves to fill hoppers with cement from reservoir.
* Moves levers to set paper cutters and to adjust pressure on squeeze rolls to accommodate size and thickness of plastics sheet.
* Turns screws to set blades that control amount of cement applied to paper and verifies position of blades, using feeler gauge.
* Adjusts tension and speed controls to eliminate wrinkling and excessive coating.
* Maintains production records.
Industry:Professional careers
A professional who operates roll mill to homogenize and roll plastic compounds into sheeting or slab form. Respnsibilities include:
* Pushes button to transfer plastic from mixing machine to revolving heated mill rolls.
* Cuts material with knife and feeds material back through rolls to obtain sheet of specified color, consistency, and thickness.
* Adjusts slitting knives or starts automatic scraper to strip sheet from rolls.
* Guides material onto conveyor belt.
* Observes gauges or feels material and turns steam and water valves to control temperature of rolls.
* Cleans rolls to prevent contamination of stocks, using wire brush, hand scraper, solvents, and airhose.
* May adjust roll clearance with hand wrenches.
Industry:Professional careers
A professional who operates machine to coat continuous rolls of roofing felt with asphalt, colored slate granules, powdered mica, or tar, to make roll roofing or shingles. Respnsibilities include:
* Threads felt through or around series of coating rollers.
* Pulls felt through rollers and adjusts tension.
* Sets machine controls to gradually increase speed of rollers to specified operating speeds, or pulls levers and turns valves and wheels to synchronize machine speed and flow of coating material.
* Observes gauge and adjusts rheostat to regulate temperature of coating material in reservoir.
* Examines felt as it emerges from rollers to ensure that coating material is applied according to specifications.
* May feel moving felt to determine whether granules are being deposited uniformly and are adhering as specified.
* May be designated according to type of coating applied as coater, asphalt; coater, slate.
Industry:Professional careers
