- Settore: Government; Labor
- Number of terms: 77176
- Number of blossaries: 0
- Company Profile:
A professional who tends machine that extrudes rubber compound to produce strands for use in making elastic yarn. Respnsibilities include:
* Adjusts valves to regulate and maintain specified flow of rubber compound and size of extruded strand.
* Separates strands in acid bath with tweezers and places strands on rollers leading to curing oven.
* Cleans and replaces nozzles.
* Fills feed tank with liquid-rubber compound.
Industry:Professional careers
A professional who tends unit of spinning machine that extrudes synthetic filaments and passes filaments to draw (stretching) machine on floor below. Respnsibilities include:
* Observes operation of machine to ensure continuous flow of filaments through spinnerettes.
* Inserts filaments through guides to facilitate drawing process on floor below.
* Presses buttons and turns valves to stop flow of polymer to clean spinnerettes.
Industry:Professional careers
A professional who tends machine or machine section that extrudes rayon filaments preparatory to washing, bleaching, drying, and winding resulting yarn onto bobbins or cutting it into staple lengths. Respnsibilities include:
* Grasps filaments as they are extruded into solidifying bath and brings ends together to form single strand.
* Passes strand over glass rollers that carry it through machine for subsequent processing.
* Ties strands together if breaks occur.
* May thread strands through washing, bleaching, and drying rollers and attach them to takeup bobbins.
* May gather filaments and throw them into glass funnel, mounted on machine, with quantity of acid that carries filaments into revolving spinning box. May remove and replace bobbins as they become filled and reset clock device that controls speed of filament travel according to diameter of bobbin.
* When repositioning glass funnels after doffing, is known as funnel setter.
* May be designated according to type of spinning process as box spinner; continuous spinner.
Industry:Professional careers
A professional who tends equipment to regulate flow of chemical-bath solution to trough into which cellulose slurry is extruded, forming rayon filaments. Respnsibilities include:
* Turns valves to transfer slurry from storage tanks to trough containing spinnerettes, maintaining constant level and flow according to gauge readings and plant specifications.
* May be designated acid-bath tender when performing duties in plants manufacturing rayon by viscose process.
Industry:Professional careers
A professional who tends machine that applies finish to and winds up newly extruded polyester fibers onto takeup bobbins. Respnsibilities include:
* Turns valves on vacuum lines to activate aspirators that break and suck up yarn ends during doffing process.
* Grasps yarn lines at each bobbin position to gather and guide moving yarn to aspirator.
* Pushes filled bobbins of yarn away from bobbin drive rollers on takeup machine to stop spinning takeup bobbins.
* Lifts filled bobbins from machine and places bobbins on cart.
* Places empty bobbins on bobbin shafts of takeup machine.
* Pushes bobbin shafts with empty bobbins next to spinning drive rollers to power rotation of bobbins preparatory to takeup of yarn on bobbins.
* Pulls specified lines of yarn down from aspirator over rollers on takeup unit that guide and advance newly extruded yarn and throws yarn ends down against empty, spinning bobbins to takeup lines of bobbins.
* Separates yarn ends along specified guide notches of machine to facilitate takeup of yarn on separate bobbins.
* Aligns yarn taken up on bobbin, using wire brush.
Industry:Professional careers
A professional who supervises and coordinates activities of workers engaged in operation of automatic chemical process equipment to produce granular phosphatic fertilizers from raw chemicals, chemical products, and phosphate rock. Respnsibilities include:
* Observes recording instruments, panel lights, and other indicators, and listens for warning signals to verify conformity of process conditions to plant standards.
* Reviews operating records and laboratory test reports to determine specific process conditions and to diagnose malfunctions in equipment.
* Confers with technical personnel to resolve conditions affecting safety, efficiency, and product quality.
* Directs workers to manually regulate process equipment or to shut down equipment during emergency situations, using telephone and radio communication systems.
* Trains workers in new job assignments.
* Performs other duties as described under supervisor master title.
Industry:Professional careers
A professional who supervises and coordinates activities of workers engaged in converting woodpulp into viscose for use in manufacturing cellophane and rayon. Respnsibilities include:
* Orders rolls of pressed woodpulp transferred from storage to shredding room.
* Directs workers in moving controls to regulate caustic treatment of pulp to form alkali cellulose.
* Sets conveyor speed for specified aging of cellulose traveling through process chambers.
* Directs operation of equipment that mixes and blends cellulose with chemicals to form viscose.
* Directs workers in moving controls of valves and pumps to filter viscose and transfer viscose to storage.
* Trains workers in operation of equipment.
* Performs other duties as described under supervisor master title.
Industry:Professional careers
A professional who supervises and coordinates activities of workers engaged in producing phosphoric acid by reaction of sulfuric acid with phosphate rock in continuous strong-acid process. Respnsibilities include:
* Directs workers in changes in operating processes, work procedures, and production rates according to production instructions.
* Observes workers to ensure compliance with safety regulations.
* Prepares work orders for repair or maintenance of equipment.
* Trains new employees or assigns trainees to experienced workers to learn job duties.
* Performs other duties as described under supervisor master title.
Industry:Professional careers
A professional who supervises and coordinates activities of workers engaged in producing sulfuric acid from liquid sulfur by catalytic conversion and absorption methods.
* Trains new employees in machine operation.
* Observes meters, charts, and gauges and reviews operating records to verify specified process conditions and to diagnose malfunctions in automatic operation.
* Performs other duties as described under supervisor master title.
Industry:Professional careers
A professional who supervises and coordinates activities of workers engaged in preparing solutions for use in producing chlorine and caustic soda by electrolysis.
* Performs other duties as described under supervisor master title.
Industry:Professional careers
