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Pattern in casting - Mechanical Engineering

Contents What is Pattern in Casting  What is Pattern A pattern in casting is a replica of the object to be cast. It is used to create a mold, which is filled with molten metal to produce the final cast product. The pattern is typically designed to be easily removable from the mold after casting. pattern in casting Type of pattern Wood: This is the most common type of pattern material and is relatively inexpensive and easy to work with. However, it is not as durable as other materials and can warp or rot over time. Metal: Metal patterns are more durable and long-lasting than wood patterns, but they are also more expensive and difficult to work with. Plastic: Plastic patterns are lightweight, easy to work with, and have a good level of dimensional accuracy. They can be used for low to medium volume casting. Resin: Resin patterns are similar to plastic patterns, but they are more durable and heat-resistant. They are also more expensive than plastic patterns. Machined patterns: Thes...
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Pattern in casting - Mechanical Engineering

    What is Pattern in Casting 

    What is Pattern

    A pattern in casting is a replica of the object to be cast. It is used to create a mold, which is filled with molten metal to produce the final cast product. The pattern is typically designed to be easily removable from the mold after casting.

    pattern in casting

    Type of pattern


    Wood: This is the most common type of pattern material and is relatively inexpensive and easy to work with. However, it is not as durable as other materials and can warp or rot over time.

    Metal: Metal patterns are more durable and long-lasting than wood patterns, but they are also more expensive and difficult to work with.

    Plastic: Plastic patterns are lightweight, easy to work with, and have a good level of dimensional accuracy. They can be used for low to medium volume casting.

    Resin: Resin patterns are similar to plastic patterns, but they are more durable and heat-resistant. They are also more expensive than plastic patterns.

    Machined patterns: These are patterns created using CNC machines and are highly accurate and precise. They are used for high volume and high-precision casting.

    pattern in casting

    Mechanical properties of wood

    Tensile strength: The ability of wood to resist forces that pull it apart. This property is affected by the species of wood, its grain direction, and its moisture content.

    Compressive strength: The ability of wood to resist forces that push it together. This property is also affected by the species of wood, its grain direction, and its moisture content.

    Flexural strength: The ability of wood to resist bending. This property is important for patterns that will be used to make curved or irregularly shaped castings.

    Impact strength: The ability of wood to resist impact forces. This property is important for patterns that will be used to make castings that will be subject to impact or vibration.

    Hardness: The ability of wood to resist indentation. Harder woods are more durable and better suited for patterns that will be used to make castings that will be subject to wear or abrasion.

    Density: The weight of wood per unit volume. Density is an important factor when considering the weight and cost of patterns.

    Mechanical properties of various wood types


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