Designing a pattern can be challenging, especially if you don’t have a well-defined process. At PMC, 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 more core boxes. Technical discussions typically include tolerances required, allowable machine stock, machined and non-machined surfaces, and the castablility of the desired casting. Tooling design can vary, depending upon the pattern material, casting...
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