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Questions and Answers
What is the primary purpose of a pattern in sand casting?
What is the primary purpose of a pattern in sand casting?
- To form impressions in sand for casting (correct)
- To provide structural support for the sand mold
- To create a replica of the final product
- To facilitate the pouring of molten metal
What are the key properties required for pattern materials?
What are the key properties required for pattern materials?
- High tensile strength, impact resistance, good machinability
- High thermal conductivity, low density, high ductility
- High melting point, low thermal expansion, good electrical conductivity
- Easily shaped, resistant to wear and corrosion, dimensionally stable (correct)
In which situations is sand casting particularly advantageous?
In which situations is sand casting particularly advantageous?
- When material is easy to machine and form
- When precision dimensions are critical
- For producing parts of complicated shapes (correct)
- For high volume production of simple components
What is the function of cores in the sand casting process?
What is the function of cores in the sand casting process?
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When is casting considered necessary?
When is casting considered necessary?
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