Meet Our Pattern Shop: A tour with Tim Wenninger

The C.A. Lawton Co. strives for high-quality castings and with that, pattern shops are a necessity to reach those standards. This week we’re touring The C.A. Lawton Co. De Pere pattern shop with supervisor, Tim Wenninger. Review the Casting Shape The design review process begins with the customer and the foundry’s casting engineers. Together they…

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Pattern and core box materials

The C.A. Lawton Co. can make patterns and core boxes from various materials. Here are the options we offer. Metal: Typical materials used include aluminum and steel. Advantages are high tolerance and excellent durability. Downsides are long lead times and high costs. Metal patterns are best suited for high production run-parts (EAU 200 castings or more),…

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Optimizing the pattern of a casting

Designing a pattern can be a challenge, especially if you don’t have a well-defined process. At The C.A. Lawton Co., the design review process begins when the customer and the foundry’s casting engineer review the required casting shape. It consists of drawings or models of a casting-friendly pattern and one or more core boxes. Technical…

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How 3D printed sand molds improve your casting experience

Additive manufacturing, or 3D printing, is the process of making usable objects from digital models. By building up successive layers of material, additive manufacturing provides access to capabilities not available with traditional manufacturing processes. Not only can additive manufacturing technology build objects using materials such as plastics and metals, but advances have proved successful in…

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