Midwest Precision Casting Co.

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O'Fallon, MO

Midwest Precision is a leading manufacturer of investment castings and precision machined components located in Merrillville, Indiana. Since 1946, the company has been providing high-quality investment casting and machining services to a diverse range of industries, including aerospace, defense, medical, and automotive.

Midwest Precision specializes in investment casting, a manufacturing process that creates metal parts by pouring molten metal into a ceramic mold. This process allows for the production of highly complex and intricate parts with consistent accuracy and surface finish. The company works with a variety of materials, including stainless steel, carbon steel, aluminum, and titanium, to produce investment castings that meet the most demanding requirements of its customers.

The company's investment casting capabilities include pattern making, wax injection, shell building, melting, pouring, and heat treating. Midwest Precision's investment casting process is highly automated, which ensures consistent quality and reduces lead times. Additionally, the company has a team of experienced engineers and designers who work closely with customers to optimize their designs for manufacturability and to ensure that parts are produced efficiently and cost-effectively.

Midwest Precision's precision machining capabilities include CNC turning, milling, drilling, and grinding, which allows the company to provide its customers with high-precision components with tight tolerances and complex geometries. The company's state-of-the-art equipment and technology enable it to produce both large and small volume orders efficiently.

Midwest Precision has a strong focus on quality, and the company's quality management system is certified to AS9100D and ISO 9001:2015 standards. The company has a full range of inspection equipment, including coordinate measuring machines (CMMs), X-ray equipment, and spectrometers, which are used to ensure that all parts meet or exceed customer specifications.

In addition to its investment casting and precision machining capabilities, Midwest Precision offers value-added services such as engineering support, supply chain management, and inventory management. The company's customer-centric approach ensures that it works closely with its customers to understand their unique needs and provide them with customized solutions.

Overall, Midwest Precision's investment casting and precision machining capabilities, commitment to quality, and value-added services make it a trusted partner for a wide range of industries. The company's dedication to innovation and continuous improvement ensures that it remains at the forefront of the investment casting and precision machining industries.

Investment Casting Power Pages

Investment Casting

Investment Casting

Investment casting is a metal working process that uses a ceramic shell built over a wax pattern to produce parts with extraordinarily uniform and smooth surfaces. The wax pattern is produced from an aluminum die.The final products of investment casting are without parting lines, mold half marks, or other deformities...

Lost Wax Casting

Lost Wax Casting

Lost wax casting is a casting process that uses a wax pattern to create a ceramic mold for creating a part or product design. It has been known over the years as lost wax or precision casting due to its accuracy in recreating parts with precise tolerances...

Types of Casting Processes

Types of casting processes

The casting process is an ancient art that goes back several thousand years to the beginning of written history. The archeological record has finds that document the use of the casting process over 6000 years ago around 3000 BC or BCE...

Sand Casting

Sand Casting

Sand casting is a manufacturing process in which liquid metal is poured into a sand mold, which contains a hollow cavity of the desired shape and then allowed to solidify. Casting is a manufacturing process in which...


Forged Part

Forging is a metal working process that manipulates, shapes, deforms, and compresses metal to achieve a desired form, configuration, or appearance outlined by a metal processing design or diagram. Depending on the type of metal and the...

Die Casting

Die Casting

Die casting is a high pressure metal casting process that forces molten metal into a mold. It produces dimensionally accurate precision metal parts with a high quality finish. Its ability to produce detailed parts makes it perfect for the mass production of products...

Castings & Forgings

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