- Industry: Government; Labor
- Number of terms: 77176
- Number of blossaries: 0
- Company Profile:
A professional who tends equipment to causticize sodium compounds recovered from paper manufacturing processes. Respnsibilities include:
* Observes dial indicators, charts, flowmeters, and signal lights on panel to determine level and temperature of solution in reactor tank, rate that chemicals flow into reactor tank, level of lime sludge in settling tanks, and amount of sludge in washers.
* Starts pumps to control flow of slaked lime and recovered chemicals into reactor tank, causticized solution to storage tanks, and lime sludge through washers to lime kiln, according to specifications.
* Tests alkalinity of causticized solution by titration, records test results, and computes percentage of caustic in solution, using slide rule.
Industry:Professional careers
A professional who sprays padding solution (liquid rubber foam) in formed skins (shaped plastic sheets) with hose to produce automotive padded products, such as dashboards and door panels. Respnsibilities include:
* Positions cardboard inserts at defroster locations and ignition cluster to prevent buckling during cure.
* Positions metal reinforcement panels at clusters and edges of product to be cured into skin.
* Dispenses solution in specified areas of skin and pours solution from cardboard containers around clusters and metal panels to prevent overflow.
Industry:Professional careers
A professional who tends automatic, radiant-heat bulk sealer that bonds plastic sheets for fabricating bags. Respnsibilities include:
* Places lifts (two sheets of plastic film separated by single sheet of paper) alternated with asbestos pads on piston of sealer.
* Straightens disarranged sheets, using wooden paddle.
* Starts sealer in which plastic film is bonded as piston slowly rises through heated chamber.
* Inspects samples of bonded sheets to detect machine malfunction.
Industry:Professional careers
A professional who tends equipment that automatically applies and bakes enamel or other coating onto fabricated steel products. Respnsibilities include:
* Fills machine reservoir with coating solution, such as lacquer, enamel, or varnish.
* Starts conveyor or feed rolls that carry products to be coated and baked, through equipment.
* Sets heating unit at specified temperature and starts pumps and exhaust fans.
* Feeds products onto conveyor or between feed rolls that apply coating.
* Examines products emerging from baking unit for conformance to coating thickness and appearance specifications.
* May mix coating to prescribed viscosity, using viscometer.
* May gauge thickness of coating to determine adherence to quality control specifications, using dial indicator.
* May be designated according to equipment or process employed as flash-oven operator; operator, coating furnace; or according to product coated as coating-machine operator, metal tags and signs.
Industry:Professional careers
A professional who tends combining-roll machine that presses and impregnates synthetic resins and glass fibers between continuous sheets of plastics film to form homogenous sheeting of specified thickness preparatory to molding operations. Respnsibilities include:
* Turns crank to adjust opening between rolls to form sheeting of specified thickness.
* Verifies width of opening with feeler gauge.
* Threads plastics film through rolls.
* Presses switch to start machine and observes flow of materials through machine to detect foreign particles and machine malfunctions.
* Moves lever to adjust tension on sheeting and to synchronize speed of sheeting with speed of belt.
Industry:Professional careers
A professional who tends machine that cleans, smooths, repairs, and rerolls fabric liners for reuse in winding uncured rubber and fabric materials, calendered rubber or rubberized fabric. Respnsibilities include:
* Positions liner roll in letoff bracket manually or by use of hoist.
* Starts machine and guides liner through rollers to ensure evenness of liner and removal of wrinkles.
* Examines liner for adhering rubber particles and torn areas.
* Scrapes rubber particles from liner with handtool.
* Sews additional fabric onto liners or repairs defective areas, using sewing machine.
* May verify weight and length of roll, using scale and yardage gauge.
Industry:Professional careers
A professional who tends machine that coats cloth, fiber, or paper with glue or other adhesive to prepare material for coating of abrasive. Respnsibilities include:
* Starts machine and feeds precut blanks into machine, or mounts roll of base material on machine spindles for automatic feed through machine.
* Pours liquid adhesive into container on machine.
Industry:Professional careers
A professional who tends laminating machine that bonds decorative material, such as plastic or paper, to face of hardboard panels. Respnsibilities include:
* Conveys rolls of materials specified in work order from storage area to laminating machine, using forklift truck.
* Positions roll on machine carriage, using chain hoist.
* Pulls end of material from roll onto takeup rollers of machine and turns handwheel that moves carriage to align material with panels.
* Turns dials and moves levers to set machine roller speed, roller pressure, and heating unit temperature, following processing specifications.
* Turns valve to replenish glue supply.
* Depresses buttons to start machine.
* Inspects and measures first panels discharged from machine to verify correct alignment of bonded material on panel, using tape measure.
* Adjusts controls to correct machine operations such as speed of machine units.
* Severs material between laminated panels, using cutter, to free panels discharging onto off bearing conveyor.
* Refills glue reservoir as required.
* Performs routine maintenance.
Industry:Professional careers
A professional who tends machine that laminates dry photoresist film to surfaces of panels used in manufacturing printed circuit boards (PCB's). Respnsibilities include:
* Mounts rolls of photoresist film and plastic protective film on machine spindles.
* Threads film through machine rollers and secures film to takeup spindles.
* Presses button to activate machine.
* Adjusts controls to regulate speed, temperature, and pressure of laminating rollers.
* Moves levers and adjusts controls to align panels with edge of film.
* Feeds panels into roller, or positions panels on conveyor that feeds panels into laminating machine.
* Observes lamination process, monitors speed and temperature gauges, and adjusts controls to ensure compliance with standards.
* Removes laminated panels from machine.
* Cuts excess photoresist and protective plastic film from panel edges, using knife.
* May tend machine that scrubs, cleans, and dries PCB panels prior to laminating process.
* May examine laminated panels for defects.
Industry:Professional careers
A professional who feeds milled rubber stock into rolls of calendering machine to maintain continuous supply. Respnsibilities include:
* Lifts pig (roll) of rubber stock from warmup mill conveyor and pushes it between horizontal rotating rolls until stock is drawn between and rolled around calender rolls.
* Turns wheels or capstan bolts to adjust distance between rolls to produce sheeting of specified thickness.
* May mount roll of backing material, such as sponge rubber, insole mixture, or cloth fabric, in cradle and thread it through rolls for coating with rubber.
Industry:Professional careers
