# Tasks & work activities — foundry moulder Source: O*NET 30.3, occupation 51-4071.00 (Foundry Mold and Coremakers). ## Task statements - **[Core]** Clean and smooth molds, cores, and core boxes, and repair surface imperfections. - **[Core]** Move and position workpieces, such as mold sections, patterns, and bottom boards, using cranes, or signal others to move workpieces. - **[Core]** Sprinkle or spray parting agents onto patterns and mold sections to facilitate removal of patterns from molds. - **[Core]** Position patterns inside mold sections, and clamp sections together. - **[Core]** Position cores into lower sections of molds, and reassemble molds for pouring. - **[Core]** Sift and pack sand into mold sections, core boxes, and pattern contours, using hand or pneumatic ramming tools. - **[Core]** Cut spouts, runner holes, and sprue holes into molds. - **[Core]** Lift upper mold sections from lower sections, and remove molded patterns. - **[Core]** Form and assemble slab cores around patterns, and position wire in mold sections to reinforce molds, using hand tools and glue. - **[Supplemental]** Tend machines that bond cope and drag together to form completed shell molds. - **[Supplemental]** Pour molten metal into molds, manually or with crane ladles. - **[Supplemental]** Rotate sweep boards around spindles to make symmetrical molds for convex impressions. - **[Supplemental]** Operate ovens or furnaces to bake cores or to melt, skim, and flux metal. ## Detailed work activities - Apply parting agents or other solutions to molds. - Build production molds. - Clean production equipment. - Cut industrial materials in preparation for fabrication or processing. - Lift materials or workpieces using cranes or other lifting equipment. - Operate heating or drying equipment. - Place materials into molds. - Position patterns on equipment, materials, or workpieces. - Remove workpieces from molds. - Signal others to coordinate work activities. - Smooth metal surfaces or edges.