Molding, Coremaking, and Casting Machine Setters, Operators, and Tenders, Metal and Plastic

Job Description:

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

Associated Tasks:

• 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.