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Signal and assist other workers to remove and position equipment, fill hoppers, and feed materials into machines.
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Position, align, and secure arbors, spindles, coils, mandrels, dies, and slitting knives.
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Remove scratches and polish roll surfaces, using polishing stones and electric buffers.
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Manipulate controls and observe dial indicators to monitor, adjust, and regulate speeds of machine mechanisms.
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Thread or feed sheets or rods through rolling mechanisms, or start and control mechanisms that automatically feed steel into rollers.
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Activate shears and grinders to trim workpieces.
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Disassemble sizing mills removed from rolling lines, and sort and store parts.
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Direct and train other workers to change rolls, operate mill equipment, remove coils and cobbles, and band and load material.
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Examine, inspect, and measure raw materials and finished products to verify conformance to specifications.
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Record mill production on schedule sheets.
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Install equipment such as guides, guards, gears, cooling equipment, and rolls, using hand tools.
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Read rolling orders, blueprints, and mill schedules to determine setup specifications, work sequences, product dimensions, and installation procedures.
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Adjust and correct machine set-ups to reduce thicknesses, reshape products, and eliminate product defects.
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Set distance points between rolls, guides, meters, and stops, according to specifications.
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Calculate draft space and roll speed for each mill stand to plan rolling sequences and specified dimensions and tempers.
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Start operation of rolling and milling machines to flatten, temper, form, and reduce sheet metal sections and to produce steel strips.
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Monitor machine cycles and mill operation to detect jamming and to ensure that products conform to specifications.
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Fill oil cups, adjust valves, and observe gauges to control flow of metal coolants and lubricants onto workpieces.
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Select rolls, dies, roll stands, and chucks from data charts to form specified contours and to fabricate products.