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Details for Molding and Casting Workers


Perform 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.


  • Operate and adjust controls of heating equipment to melt material or to cure, dry, or bake filled molds.
  • Read work orders or examine parts in order to determine parts or sections of products to be produced.
  • Separate models or patterns from molds, and examine products for accuracy.
  • Withdraw cores and other loose mold members after castings solidify.
  • Operate molding machines that compact sand in flasks to form molds.
  • Set the proper operating temperature for each casting.
  • Smooth surfaces of molds, using scraping tools and sandpaper.
  • Tap or tilt molds to ensure uniform distribution of materials.
  • Verify dimensions of products, using measuring instruments such as calipers, vernier gauges, and protractors.
  • Engrave or stamp identifying symbols, letters, or numbers on products.
  • Load or stack filled molds in ovens, dryers, or curing boxes, or on storage racks or carts.
  • Measure and cut products to specified dimensions, using measuring and cutting instruments.
  • Melt metal pieces using torches, and cast products such as inlays and crowns, using centrifugal casting machines.
  • Patch broken edges and fractures, using clay or plaster.
  • Trim or remove excess material, using scrapers, knives, or band saws.
  • Place forms around models, and separately immerse each half portion of a model in plaster, wax, or other mold-making materials.
  • Pour, pack, spread, or press plaster, concrete, liquid plastic, or other materials into or around models or molds.
  • Remove excess materials, and level and smooth wet mold mixtures.
  • Repair mold defects such as cracks and broken edges, using patterns, mold boxes, or hand tools.
  • Select sizes and types of molds according to instructions.
  • Align and assemble parts to produce completed products, using gauges and hand tools.
  • Assemble, insert, and adjust wires, tubes, cores, fittings, rods, or patterns into molds, using hand tools and depth gauges.
  • Bore holes or cut grates, risers, and pouring spouts in molds, using power tools.
  • Brush or spray mold surfaces with parting agents, or insert paper into molds in order to ensure smoothness and prevent sticking or seepage.
  • Clean, finish, and lubricate molds and mold parts.
  • Construct or form molds for use in casting metal, clay, or plaster objects, using plaster, fiberglass, rubber, casting machines, patterns, or flasks.
  • Locate and scribe parting lines on patterns, using measuring instruments such as calipers, squares, and depth gauges.
  • Measure ingredients and mix molding, casting material, or sealing compounds to prescribed consistencies, according to formulas.


  • Realistic - Realistic occupations frequently involve work activities that include practical, hands-on problems and solutions. They often deal with plants, animals, and real-world materials like wood, tools, and machinery. Many of the occupations require working outside, and do not involve a lot of paperwork or working closely with others.

Education, Training, Experience

  • Education - These occupations usually require a high school diploma.
  • Training - Employees in these occupations need anywhere from a few months to one year of working with experienced employees. A recognized apprenticeship program may be associated with these occupations.
  • Experience - Some previous work-related skill, knowledge, or experience is usually needed. For example, a teller would benefit from experience working directly with the public.


  • Production and Processing - Knowledge of raw materials, production processes, quality control, costs, and other techniques for maximizing the effective manufacture and distribution of goods.


Related Careers

  • Cutters and Trimmers, Hand
  • Etchers and Engravers
  • Glass Blowers, Molders, Benders, and Finishers
  • Packers and Packagers, Hand
  • Plating and Coating Machine Setters, Operators, and Tenders, Metal and Plastic
  • Printing Machine Operators
  • Solderers and Brazers
  • Tool and Die Makers
Wages for this career
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