National

Make or form wax or sand cores or molds used in the production of metal castings in foundries.

Sample of reported job titles: Core Maker, Molder, Core Machine Operator, Mold Maker, No Bake Molder, Sand Molder, Journeyman Molder, Core Stripper, Shell Core Operator, Shell Mold Operator

Tasks

• Clean and smooth molds, cores, and core boxes, and repair surface imperfections.
• Move and position workpieces such as mold sections, patterns, and bottom boards, using cranes, or signal others to move workpieces.
• Sprinkle or spray parting agents onto patterns and mold sections to facilitate removal of patterns from molds.
• Position patterns inside mold sections and clamp sections together.
• Position cores into lower sections of molds, and reassemble molds for pouring.
• Sift and pack sand into mold sections, core boxes, and pattern contours, using hand or pneumatic ramming tools.
• Tend machines that bond cope and drag together to form completed shell molds.
• Cut spouts, runner holes, and sprue holes into molds.
• Lift upper mold sections from lower sections and remove molded patterns.
• Form and assemble slab cores around patterns and position wire in mold sections to reinforce molds, using hand tools and glue.

51-2021.00	Coil Winders, Tapers, and Finishers
51-4052.00	Pourers and Casters, Metal
51-4062.00	Patternmakers, Metal and Plastic
51-4121.07	Solderers and Brazers
51-4122.00	Welding, Soldering, and Brazing Machine Setters, Operators, and Tenders
51-4193.00	Plating and Coating Machine Setters, Operators, and Tenders, Metal and Plastic
51-9022.00	Grinding and Polishing Workers, Hand
51-9071.07	Precious Metal Workers
51-9195.07	Molding and Casting Workers