Cast Iron Griddle

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Cast Iron Griddle

• B. Blumhardt, M. Jenson, E. Orth, D. Seguin
• MY4130 Design Project

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Outline

• Concept Development
• Pattern Design
• Casting Problems
• Casting Success
• Casting Yield
• Improvements

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Concept Development

• Initially Cast Iron Skillet with Ribs
• Difficulty making Pattern
• Cast Iron Griddle
• Gray Iron

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Pattern Design- Rounded Edges
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Pattern Design- Square Edges
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Pattern Design- Match Plate
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Casting Problem The Beast

• Pattern Removal from Sand Mold
• Insufficient Draft Angle
• Not a Match Plate Design
• Flashing

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Gating System

• Gating and Sprue Design
• Two ingates rather than one

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Casting Yield

• Total Weight of Casting 12 lb
• Weight of Ingate and Sprue 3.40 lb
• Weight of Griddle 8.30
• Weight of flashing removed 0.30 lb
• Total Casting Yield

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Casting Success

• Successful Cast Iron Griddle

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Improvements

• Include more of a draft angle

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Summary

• Match Plate Pattern
• Include larger draft angles

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Special Thanks To

• Steve Forsell
• Chris McNally
• Jack Grochowski
• For all there work down in the foundary.

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Questions?????