Get to know our companies, and learn about the metalcasting/machining industry, by reading the Eagle Group Blog.

Category: Case Studies

Normalizing is one of the most common heat treatments used in manufacturing carbon steel. It is a vital process to ensure that the mechanical and physical properties of a carbon steel workpiece are integrated and distributed uniformly across the material. In steelmaking, material uniformity is achieved by carefully controlling a casting’s microstructure — specifically, its […]

The Eagle Group is a team of manufacturing companies based in Muskegon, MI, made up of three foundries and a machine shop. Eagle Alloy, Eagle Aluminum, Eagle Precision and Eagle CNC are connected through common ownership and through common goals: while each company occupies its own niche, they often work together to provide “concept to […]

When a star jet pilot had a missing fuel cap at the Muskegon Air Show, the Eagle Group stepped in to replicate the part in less than 48 hours. Wings Over Muskegon took place in July, 2023 at the Muskegon County Airport. This interactive aviation experience was a revamped version of the Muskegon Air Fair, […]

Manufacturers are aware of the benefits of machining: trained machine shops can produce complex parts with tight tolerances and all critical surfaces to spec. However, many manufacturers are learning that investment casting can produce cast parts to near-net shape, resulting in a host of benefits. The machining process is often seen as the only way […]

The Eagle Group is not the kind of manufacturing partner that turns away a challenge. When we were approached with a design that could revolutionize the American water industry, we pulled together our entire suite of knowledge, resources, and experience to turn a brilliant idea into a viable product.  The case of Hydrant Guard demonstrates […]

Eagle Aluminum specializes in permanent molding and greensand casting of aluminum products. In keeping with the Eagle Group’s philosophy of continuous improvement, Eagle Aluminum’s team is always looking for ways to improve our processes to achieve better quality, greater efficiency and reduced returns. This case study focuses on a recent innovation that dramatically improved the return […]

Cem-Tec, a manufacturer of steel light poles in business since 1974, approached Eagle Alloy, Inc. with an emergency order. Due to an unforeseen supply-chain issue, they needed to find a new foundry to manufacture one of their popular products. With orders in and customers waiting, the clock was already ticking. The following case study illustrates […]

Eagle Alloy, Inc. was founded in 1979 and quickly grew from a short-run facility to a medium-to-high-production steel foundry. Despite the company’s success, its founders were not satisfied with the status quo. Having heard of developments in lean manufacturing, they decided to implement these tools in hopes of achieving greater efficiency, stability and quality throughout […]

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The latest resource from the Eagle Group provides a comprehensive introduction to heat treatment in metalcasting and CNC machining. This 40-page guide is available as