Hard Skills
IntermediateHand Sand-Core MakingThe process of manually packing sand mixed with binders into core boxes to create internal shapes for metal castings.
BasicCore Box PreparationCleaning, lubricating, and assembling core boxes to facilitate the release of the finished sand core without damage.
IntermediateSand and Binder MixingKnowledge of mixing ratios for foundry sand, resins, and catalysts to achieve desired hardness and permeability.
IntermediateCore Finishing and VentingUsing hand tools to smooth core surfaces and create vents for gas escape during the metal pouring process.
IntermediateQuality Inspection of CoresIdentifying cracks, soft spots, or dimensional inaccuracies in sand cores before they are placed in molds.