Sand Casting

A pattern is the item you are duplicating, it must be smooth and drafted to allow removal from the sand mold. The pattern illustrated is round and has no undercuts.

Pattern, flask and sand    1. Pack sand in drag (bottom) section of the flask. Place bottom board on top, flip mold.

2. Apply parting dust to separate the two sections of sand.
3. Pack sand in cope (top) section of flask.

4. Carefully remove pattern, close and clamp mold.
5. Pour molten metal. 6. Shake-out, remove casting. Sand is reused!