Foundry Moldmaker how-to

How to Set a Core in a Mold

Cores form internal shapes.

Updated By the Career Education Institute Curriculum Team
Quick answer

Cores form internal shapes. In short: inspect; clean; set, then complete the remaining steps below.

Step by step

  1. Inspect the core.

  2. Clean core prints.

  3. Set carefully.

  4. Check position.

  5. Add chaplets if needed.

  6. Close the mold.

Safety reminders for foundry moldmakers

  • Wear respirators for silica
  • Lift safely
  • Use hoists
  • Follow foundry safety rules

Flask · Ramming · Green sand · No-bake sand · Core print · Vent: see the full foundry moldmaker glossary.

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