What does a Crushing, Grinding, and Polishing Machine Setter, Operator, and Tender do?

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

Jobs Roles

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