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Rolling Machine Setters, Operators, and Tenders, Metal and Plastic - 51-4023.00

O*NET-SOC Description

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.

Sample of Reported Job Titles

  • Breakdown Mill Operator
  • Calender Operator
  • Cold Mill Operator
  • Machine Operator
  • Mill Operator
  • Rolling Mill Operator
  • Roughing Mill Operator
  • Temper Mill Operator
  • Tube Mill Operator
  • Weld Mill Operator

SOC Occupation Groups

51-0000 Production Occupations
51-4000 Metal Workers and Plastic Workers
51-4020 Forming Machine Setters, Operators, and Tenders, Metal and Plastic
51-4023.00 Rolling Machine Setters, Operators, and Tenders, Metal and Plastic

Related Occupations


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

Detailed Work Activities

  • Adjust equipment controls to regulate coolant flow.
  • Calculate specific material, equipment, or labor requirements for production.
  • Direct operational or production activities.
  • Disassemble equipment for maintenance or repair.
  • Feed materials or products into or through equipment.
  • Inspect metal, plastic, or composite products.
  • Install mechanical components in production equipment.
  • Instruct workers to use equipment or perform technical procedures.
  • Measure dimensions of completed products or workpieces to verify conformance to specifications.
  • Monitor equipment operation to ensure proper functioning.
  • Monitor instruments to ensure proper production conditions.
  • Mount attachments or tools onto production equipment.
  • Operate cutting equipment.
  • Operate grinding equipment.
  • Operate metal or plastic forming equipment.
  • Polish materials, workpieces, or finished products.
  • Read work orders or other instructions to determine product specifications or materials requirements.
  • Record operational or production data.
  • Reshape metal workpieces to established specifications.
  • Review blueprints or other instructions to determine operational methods or sequences.
  • Select production equipment according to product specifications.
  • Set equipment guides, stops, spacers, or other fixtures.
  • Signal others to coordinate work activities.
  • Sort materials or products for processing, storing, shipping, or grading.
  • Study blueprints or other instructions to determine equipment setup requirements.
  • Watch operating equipment to detect malfunctions.

Military Crosswalk Titles

  • Machinist (Marine Corps - Enlisted)

Apprenticeship Crosswalk Titles

  • Roll Operator I
  • Roll Threader Operator

DOT Crosswalk Titles

  • Cold-Mill Operator
  • Drum Straightener I
  • Finisher
  • Forming-Roll Operator I
  • Forming-Roll Operator II
  • Guide Setter
  • Hoop Bender, Tank
  • Job Setter, Spline-Rolling Machine
  • Manipulator
  • Mill Operator, Rolls
  • Piercing-Machine Operator
  • Piercing-Mill Operator
  • Reeling-Machine Operator
  • Roll Operator
  • Roll Operator I
  • Roll-Forming-Machine Operator I
  • Roll-Forming-Machine Operator II
  • Roll-Forming-Machine Set-Up Mechanic
  • Roll-Threader Operator
  • Roll-Tube Setter
  • Roller
  • Roller, Primary Mill
  • Roller-Leveler Operator
  • Rolling Attendant
  • Rolling-Mill Operator
  • Rougher
  • Rougher Operator
  • Screwdown Operator
  • Seam Hammerer
  • Setter, Cold-Rolling Machine
  • Skelp Processor
  • Speed Operator
  • Straightening-Roll Operator
  • Strip Roller
  • Table Operator
  • Tin Roller, Hot Mill
  • Tubing-Machine Operator