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Molding and Casting Worker  What They Do

Just the Facts


Performs a variety of duties such as mixing materials, assembling mold parts, filling molds, and stacking molds to mold and cast a wide range of products.

This career is part of the Manufacturing cluster Manufacturing Production pathway.


A person in this career:

  • Reads work orders or examines parts to determine parts or sections of products to be produced.
  • Trims or removes excess material, using scrapers, knives, or band saws.
  • Pours, packs, spreads, or presses plaster, concrete, liquid plastic, or other materials into or around models or molds.
  • Brushes or sprays mold surfaces with parting agents or inserts paper into molds to ensure smoothness and prevent sticking or seepage.
  • Engraves or stamps identifying symbols, letters, or numbers on products.
  • Cleans, finishes, and lubricates molds and mold parts.
  • Assembles, inserts, and adjusts wires, tubes, cores, fittings, rods, or patterns into molds, using hand tools and depth gauges.
  • Separates models or patterns from molds and examines products for accuracy.
  • Sets the proper operating temperature for each casting.
  • Loads or stacks filled molds in ovens, dryers, or curing boxes, or on storage racks or carts.

Working Conditions and Physical Demands

People who do this job report that:

  • You would often handle loads up to 20 lbs., sometimes up to 50 lbs. You might do a lot of lifting, carrying, pushing or pulling.
  • Work in this occupation involves bending or twisting your body more than one-third of the time
  • Work in this occupation involves use of protective items such as safety shoes, glasses, gloves, hearing protection, a hard hat, or personal flotation devices
  • Exposure to pollutants, gases, dust, fumes, odors, poor ventilation, etc.
  • Lighting is either extremely bright or inadequate
  • Conditions are very hot (above 90 F) or very cold (under 32 F)
  • Work in this occupation involves using your hands to hold, control, and feel objects more than one-third of the time
  • Exposed to conditions such as high voltage electricity, combustibles, explosives, and chemicals more than once a month
  • Exposed to hazardous equipment such as saws, machinery, or vehicular traffic more than once a month
  • Sound and noise levels are loud and distracting
  • Work in this occupation involves making repetitive motions more than one-third of the time
  • Work in this occupation involves standing more than one-third of the time
  • Work in this occupation involves walking or running more than one-third of the time

Working in this career involves (physical activities):

  • Seeing clearly up close
  • Speaking clearly enough to be able to be understood by others
  • Identifying and understanding the speech of another person
  • Lifting, pushing, pulling, or carrying objects
  • Using abdominal and lower back muscles repeatedly or over time without tiring

Work Hours and Travel

  • Rotating shift work

Specialty and Similar Careers

Careers that are more detailed or close to this career:

  • Bed Laborer --
  • Caster --
  • Fabricator --
  • Injection Molding Machine Operator --
  • Machine Operator --
  • Mold Mechanic --
  • Molder --
  • Molding Line Assistant --
  • Molding Line Operator --
  • Press Operator --