# Rolling Machine Setters, Operators, and Tenders, Metal and Plastic > Set up, operate, or tend machines to roll steel or plastic forming bends, beads, knurls, rolls, or plate, or to flatten, temper, or reduce gauge of material. - Code: 51-4023.00 (O*NET-SOC; SOC 2018 51-4023) - Family: [Production](https://foundation.org.ai/occupations#family-51), one of its 114 occupations - Tasks: 19 tasks (15 core and 4 supplemental) - Page: https://foundation.org.ai/occupations/51-4023.00 - JSON: https://foundation.org.ai/data/tasks/51-4023.00.json ## What the work is made of 1. Monitor machine cycles and mill operation to detect jamming and to ensure that products conform to specifications. Core task · Task 10092 · Rated by 83 people who do the job, August 2018 2. Adjust and correct machine set-ups to reduce thicknesses, reshape products, and eliminate product defects. Core task · Task 10091 · Rated by 83 people who do the job, August 2018 3. Start operation of rolling and milling machines to flatten, temper, form, and reduce sheet metal sections and to produce steel strips. Core task · Task 10096 · Rated by 83 people who do the job, August 2018 4. Examine, inspect, and measure raw materials and finished products to verify conformance to specifications. Core task · Task 10093 · Rated by 83 people who do the job, August 2018 5. Read rolling orders, blueprints, and mill schedules to determine setup specifications, work sequences, product dimensions, and installation procedures. Core task · Task 10094 · Rated by 83 people who do the job, August 2018 6. Manipulate controls and observe dial indicators to monitor, adjust, and regulate speeds of machine mechanisms. Core task · Task 10095 · Rated by 83 people who do the job, August 2018 7. Set distance points between rolls, guides, meters, and stops, according to specifications. Core task · Task 10097 · Rated by 83 people who do the job, August 2018 8. Calculate draft space and roll speed for each mill stand to plan rolling sequences and specified dimensions and tempers. Core task · Task 10105 · Rated by 81 people who do the job, August 2018 9. Install equipment such as guides, guards, gears, cooling equipment, and rolls, using hand tools. Core task · Task 10103 · Rated by 82 people who do the job, August 2018 10. Position, align, and secure arbors, spindles, coils, mandrels, dies, and slitting knives. Core task · Task 10099 · Rated by 83 people who do the job, August 2018 11. Fill oil cups, adjust valves, and observe gauges to control flow of metal coolants and lubricants onto workpieces. Core task · Task 10101 · Rated by 83 people who do the job, August 2018 12. Activate shears and grinders to trim workpieces. Core task · Task 10107 · Rated by 82 people who do the job, August 2018 13. Signal and assist other workers to remove and position equipment, fill hoppers, and feed materials into machines. Core task · Task 10104 · Rated by 83 people who do the job, August 2018 14. Record mill production on schedule sheets. Core task · Task 10102 · Rated by 83 people who do the job, August 2018 15. Direct and train other workers to change rolls, operate mill equipment, remove coils and cobbles, and band and load material. Core task · Task 10100 · Rated by 83 people who do the job, August 2018 16. Thread or feed sheets or rods through rolling mechanisms, or start and control mechanisms that automatically feed steel into rollers. Supplemental task · Task 10098 · Rated by 83 people who do the job, August 2018 17. Select rolls, dies, roll stands, and chucks from data charts to form specified contours and to fabricate products. Supplemental task · Task 10106 · Rated by 82 people who do the job, August 2018 18. Remove scratches and polish roll surfaces, using polishing stones and electric buffers. Supplemental task · Task 10108 · Rated by 83 people who do the job, August 2018 19. Disassemble sizing mills removed from rolling lines, and sort and store parts. 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