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Crushing, Grinding, and Polishing Machine Setters, Operators, and Tenders - 51-9021.00

O*NET-SOC Description

Set up, operate, or tend machines to crush, grind, or polish materials, such as coal, glass, grain, stone, food, or rubber.

Sample of Reported Job Titles

  • Batch Mixer
  • Crusher Operator
  • Cullet Trucker
  • Fabricator
  • Grinder Operator
  • Machine Operator
  • Mill Operator
  • Miller
  • Preparation Operator (Prep Operator)
  • Process Operator

SOC Occupation Groups

51-0000 Production Occupations
51-9000 Other Production Occupations
51-9020 Crushing, Grinding, Polishing, Mixing, and Blending Workers
51-9021.00 Crushing, Grinding, and Polishing Machine Setters, Operators, and Tenders

Related Occupations

Tasks

  • Add or mix chemicals and ingredients for processing, using hand tools or other devices.
  • Break mixtures to size, using picks.
  • Clean work areas.
  • Clean, adjust, and maintain equipment, using hand tools.
  • Collect samples of materials or products for laboratory testing.
  • Dislodge and clear jammed materials or other items from machinery and equipment, using hand tools.
  • Examine materials, ingredients, or products, visually or with hands, to ensure conformance to established standards.
  • Inspect chains, belts, or scrolls for signs of wear.
  • Load materials into machinery and equipment, using hand tools.
  • Mark bins as to types of mixtures stored.
  • Move controls to start, stop, or adjust machinery and equipment that crushes, grinds, polishes, or blends materials.
  • Notify supervisors of needed repairs.
  • Observe operation of equipment to ensure continuity of flow, safety, and efficient operation, and to detect malfunctions.
  • Read work orders to determine production specifications and information.
  • Record data from operations, testing, and production on specified forms.
  • Reject defective products and readjust equipment to eliminate problems.
  • Set mill gauges to specified fineness of grind.
  • Tend accessory equipment, such as pumps and conveyors, to move materials or ingredients through production processes.
  • Test samples of materials or products to ensure compliance with specifications, using test equipment.
  • Transfer materials, supplies, and products between work areas, using moving equipment and hand tools.
  • Turn valves to regulate the moisture contents of materials.
  • Weigh or measure materials, ingredients, or products at specified intervals to ensure conformance to requirements.

Detailed Work Activities

  • Adjust equipment controls to regulate flow of water, cleaning solutions, or other liquids.
  • Clean production equipment.
  • Clean work areas.
  • Clear equipment jams.
  • Collect samples of materials or products for testing.
  • Evaluate quality of materials or products.
  • Inspect production equipment.
  • Load materials into production equipment.
  • Maintain production or processing equipment.
  • Mark products, workpieces, or equipment with identifying information.
  • Measure dimensions of completed products or workpieces to verify conformance to specifications.
  • Measure ingredients or substances to be used in production processes.
  • Mix substances to create chemical solutions.
  • Monitor equipment operation to ensure proper functioning.
  • Move products, materials, or equipment between work areas.
  • Notify others of equipment repair or maintenance needs.
  • Operate grinding equipment.
  • Operate pumping systems or equipment.
  • Read work orders or other instructions to determine product specifications or materials requirements.
  • Record operational or production data.
  • Test chemical or physical characteristics of materials or products.
  • Weigh finished products.

Military Crosswalk Titles

  • Cannon Crewmember (Army - Enlisted)
  • Cavalry Scout (Army - Enlisted)
  • Combat Engineer (Army - Enlisted)
  • Unit Supply Specialist (Army - Enlisted)
  • Wheeled Vehicle Repairer (Army - Enlisted)

Apprenticeship Crosswalk Titles

  • Miller, Wet Process
  • Plant Operator
  • Surface-Plate Finisher

DOT Crosswalk Titles

  • Abrasive Grinder
  • Batch Maker
  • Beater Engineer
  • Beater-Engineer Helper
  • Bed Rubber
  • Beveler
  • Blocker
  • Blocker, Automatic
  • Bone Crusher
  • Bowling-Ball Finisher
  • Breaker Tender
  • Breaker-Machine Operator
  • Buffer
  • Buffer, Automatic
  • Buffer, Inflated-Pad
  • Buffer, Machine
  • Buffing-and-Sueding-Machine Operator
  • Calciner, Gypsum
  • Circle Beveler
  • Circle Edger
  • Cocoa-Room Operator
  • Coffee Grinder
  • Coke-Crusher Operator
  • Continuous-Crusher Operator
  • Convex-Grinder Operator
  • Copra Processor
  • Corn Grinder
  • Corn-Grinder Operator, Automatic
  • Crusher Operator
  • Crusher Tender
  • Crusher-and-Blender Operator
  • Crushing-Machine Operator
  • Crystal Cutter
  • Crystal Grinder
  • Cullet Crusher-and-Washer
  • Deboner, Pet Food
  • Disc-Pad Grinder
  • Dry-Pan Operator
  • Edger, Touch-Up
  • Facer
  • Feed Grinder
  • Finger-Grip-Machine Operator
  • Finish Opener, Jewel Hole
  • Finish-Machine Tender
  • Flake Miller, Wheat and Oats
  • Flat Surfacer, Jewel
  • Glass Grinder
  • Glass Grinder, Laboratory Apparatus
  • Glass Sander, Belt
  • Grated-Cheese Maker
  • Grinder
  • Grinder Operator
  • Grinder, Carbon Plant
  • Grinder, Hand
  • Grinder, Hardboard
  • Grinder-Mill Operator
  • Grinding-Machine Operator, Automatic
  • Grinding-Mill Operator
  • Groover
  • Hammer-Mill Operator
  • Hog Tender
  • Jewel Grinder I
  • Jewel-Bearing Facer
  • Jewel-Bearing Grinder
  • Jewel-Corner-Brushing-Machine Operator
  • Jewel-Cupping-Machine Operator
  • Laboratory Miller
  • Lacquer Maker
  • Lens-Fabricating-Machine Tender
  • Level-Vial Inside Grinder
  • Liquor-Grinding-Mill Operator
  • Log-Chipper Operator
  • Meal-Grinder Tender
  • Meat Grinder
  • Milk-Powder Grinder
  • Mill Attendant I
  • Mill Attendant II
  • Mill Operator
  • Mill-and-Coal-Transport Operator
  • Miller
  • Miller I
  • Miller II
  • Miller, Distillery
  • Miller, Wet Process
  • Miller, Wood Flour
  • Mix-Crusher Operator
  • Mold Polisher
  • Notch Grinder
  • Paint Trimmer, Pipe Bowls
  • Planer Operator
  • Plant Operator
  • Platen Grinder
  • Polisher
  • Polishing Machine Tender
  • Powder-Mill Operator
  • Pulp Grinder and Blender
  • Pulp-Refiner Operator
  • Pulper
  • Pulper, Synthetic Soil Blocks
  • Pulverizer
  • Pulverizer-Mill Operator
  • Radius Corner Machine Operator
  • Refining-Machine Operator
  • Rod-Mill Tender
  • Roller-Mill Operator
  • Rough-and-Trueing-Machine Operator
  • Sagger Preparer
  • Sand Mixer, Machine
  • Sand-Mill Grinder
  • Sander
  • Scale-Reclamation Tender
  • Scratcher Tender
  • Shredder Operator
  • Slab Grinder
  • Snuff Grinder and Screener
  • Soap Grinder
  • Spice Miller
  • Stamping-Mill Tender
  • Stone Rougher
  • Stone-Mill Operator
  • Straight-Line Edger
  • Strip Polisher
  • Sugar Grinder
  • Surface-Plate Finisher
  • Sweet-Potato Disintegrator
  • Tile Grinder
  • Tire Buffer
  • Top Polisher
  • Tumbler
  • Tumbler Operator
  • Turner, Machine
  • Wafer Abrading Machine Tender
  • Ware Dresser
  • Watch-Crystal Edge Grinder
  • Wheel-Mill Operator
  • Wood Grinder Operator