What does a Molding, Coremaking, and Casting Machine Setter, Operator, and Tender, Metal and Plastic do?

Set up, operate, or tend metal or plastic molding, casting, or coremaking machines to mold or cast metal or thermoplastic parts or products.

Jobs Roles

  • Observe continuous operation of automatic machines to ensure that products meet specifications and to detect jams or malfunctions, making adjustments as necessary.
  • Measure and visually inspect products for surface and dimension defects to ensure conformance to specifications, using precision measuring instruments.
  • Set up, operate, or tend metal or plastic molding, casting, or coremaking machines to mold or cast metal or thermoplastic parts or products.
  • Position and secure workpieces on machines, and start feeding mechanisms.
  • Turn valves and dials of machines to regulate pressure, temperature, and speed and feed rates, and to set cycle times.
  • Remove finished or cured products from dies or molds, using hand tools, air hoses, and other equipment, stamping identifying information on products when necessary.
  • Skim or pour dross, slag, or impurities from molten metal, using ladles, rakes, hoes, spatulas, or spoons.
  • Trim excess material from parts, using knives, and grind scrap plastic into powder for reuse.
  • Cool products after processing to prevent distortion.
  • Install dies onto machines or presses and coat dies with parting agents, according to work order specifications.
  • Mix and measure compounds, or weigh premixed compounds, and dump them into machine tubs, cavities, or molds.
  • Observe meters and gauges to verify and record temperatures, pressures, and press-cycle times.
  • Spray, smoke, or coat molds with compounds to lubricate or insulate molds, using acetylene torches or sprayers.
  • Read specifications, blueprints, and work orders to determine setups, temperatures, and time settings required to mold, form, or cast plastic materials, as well as to plan production sequences.
  • Adjust equipment and workpiece holding fixtures, such as mold frames, tubs, and cutting tables, to ensure proper functioning.
  • Remove parts such as dies from machines after production runs are finished.
  • Inventory and record quantities of materials and finished products, requisitioning additional supplies as necessary.
  • Pour or load metal or sand into melting pots, furnaces, molds, or hoppers, using shovels, ladles, or machines.
  • Unload finished products from conveyor belts, pack them in containers, and place containers in warehouses.
  • Connect water hoses to cooling systems of dies, using hand tools.
  • Preheat tools, dies, plastic materials, or patterns, using blowtorches or other equipment.
  • Operate hoists to position dies or patterns on foundry floors.
  • Smooth and clean inner surfaces of molds, using brushes, scrapers, air hoses, or grinding wheels, and fill imperfections with refractory material.
  • Obtain and move specified patterns to work stations, manually or using hoists, and secure patterns to machines, using wrenches.
  • Perform maintenance work such as cleaning and oiling machines.
  • Repair or replace damaged molds, pipes, belts, chains, or other equipment, using hand tools, hand-powered presses, or jib cranes.
  • Maintain inventories of materials.
  • Select coolants and lubricants, and start their flow.
  • Assemble shell halves, patterns, and foundry flasks, and reinforce core boxes, using glue, clamps, wire, bolts, rams, or machines.
  • Pull level and toggle latches to fill molds, to regulate tension on sheeting, and to release mold covers.
  • Select and install blades, tools, or other attachments for each operation.
  • Shape molds to specified contours, using sand, and trowels and related tools.
  • Clamp metal and plywood strips around dies or patterns to form molds.
, Anywhere 4 decades ago
, Anywhere 4 decades ago
, Anywhere 4 decades ago
, Anywhere 4 decades ago
, Anywhere 4 decades ago
, Anywhere 4 decades ago
, Anywhere 4 decades ago
, Anywhere 4 decades ago
, Anywhere 4 decades ago
, Anywhere 4 decades ago


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