Aluminum Castings Company LLC – QMS Certified to ISO 9001:2015 & PED 2014 with TUV Rheinland of North America

Aluminum Castings Company

Aluminum Castings Company provides sand casting services for OEMs and industrial manufacturers requiring repeatable production, dimensional consistency, and process-controlled manufacturing support. Located in Galesburg, Illinois, we serve manufacturers nationwide with aluminum sand casting and value-added manufacturing capabilities.

Our operation supports projects ranging from prototype castings to long-term production manufacturing. With in-house molding, core making, aluminum melting, machining, inspection, and finishing operations, we help manufacturers maintain production efficiency while meeting demanding quality requirements.

We work directly with engineers, OEM buyers, and manufacturing teams requiring dependable sand casting services for industrial applications where alloy integrity, dimensional verification, and repeatable production are critical.

Request a quote to discuss your sand casting requirements with our team.

What Are Sand Casting Services?

Sand casting services involve manufacturing metal components by pouring molten aluminum into prepared sand molds that form the required part geometry.

Sand casting is widely used because it supports:

  • Complex component geometries
  • Large casting capabilities
  • Highly cored castings
  • Prototype and production flexibility
  • Repeatable manufacturing
  • Machining compatibility

At Aluminum Castings Company, our sand casting services support OEM manufacturing and industrial production applications requiring controlled casting processes and dimensional consistency.

Our manufacturing capabilities include:

  • Aluminum sand casting
  • Green sand molding
  • Air set molding
  • No-bake molding
  • Shell core production
  • Cold box core making
  • Aluminum melting and alloy control

These manufacturing processes allow us to support both simple and highly complex castings across a wide range of production requirements.

What Are the Advantages of Sand Casting?

Sand casting remains one of the most widely used manufacturing methods for aluminum castings because of its flexibility and production efficiency.

Advantages of sand casting include:

  • Support for complex geometries
  • Flexibility for large castings
  • Capability for highly cored components
  • Adaptability for prototype and production work
  • Compatibility with multiple aluminum alloys
  • Efficient repeat manufacturing

Sand casting is commonly used for industrial applications where manufacturers require durable aluminum components with repeatable production quality.

The process also supports castings requiring secondary machining and dimensional finishing after production.

Who Uses Sand Casting Services?

Sand casting services are used by OEM manufacturers and industrial companies across multiple industries requiring durable and repeatable aluminum components.

Our sand casting operation supports manufacturers in industries including:

  • Agriculture
  • Heavy equipment
  • Mining
  • Marine manufacturing
  • Transportation
  • Power generation
  • Braking systems
  • Defense and military manufacturing
  • Ventilation and compressor systems

These industries commonly require aluminum castings capable of maintaining dimensional stability and mechanical performance in demanding operating environments.

We regularly support projects involving:

  • Prototype castings
  • Production manufacturing
  • Large aluminum castings
  • Highly cored components
  • Machined castings
  • Tight tolerance requirements
  • Long-term production schedules

Our team works directly with manufacturers to support application-specific manufacturing requirements and repeat production programs.

Why Choose Aluminum Castings Company for Sand Casting Services?

Aluminum Castings Company has supplied aluminum castings since 1964. Located in Galesburg, Illinois, our operation supports manufacturers across Illinois, the Midwest, and the United States with process-focused sand casting production.

Our manufacturing operation combines experienced foundry production with modern inspection and quality verification systems.

Capabilities include:

  • DISA automated molding
  • Green sand molding systems
  • Air set molding systems
  • Shell core production
  • Cold box core manufacturing
  • In-house alloy verification
  • CNC machining support
  • CMM inspection
  • X-ray and non-destructive testing
  • Metallurgical control

Our facility operates multiple gas-fired aluminum melting furnaces capable of supporting a wide range of casting sizes and production volumes.

We manufacture aluminum castings using alloys including:

  • 319
  • 355
  • 356
  • 535
  • Almag 35

Custom alloy support may also be available depending on project requirements.

Our in-house spectrometer allows us to verify alloy chemistry and provide material certifications when required. Maintaining alloy integrity and process consistency helps support repeatable manufacturing quality throughout production runs.

In addition to casting production, we provide value-added manufacturing services designed to simplify supply chain coordination and reduce secondary processing requirements.

These services include:

  • CNC machining
  • Drilling and tapping
  • Grinding and trimming
  • Surface finishing
  • Heat treatment coordination
  • Assembly support
  • Tooling and fixturing support

How Does the Sand Casting Process Work?

The sand casting process involves multiple controlled manufacturing stages designed to produce repeatable and dimensionally accurate industrial components.

Pattern and Mold Preparation

Production begins with tooling and pattern preparation used to create mold cavities matching the required casting geometry.

Depending on project requirements, molds may be produced using:

  • Green sand molding
  • Air set molding
  • No-bake molding processes

The molding process selected depends on casting complexity, production volume, dimensional requirements, and part size.

Core Manufacturing

For castings requiring internal passages or complex features, sand cores are manufactured in-house using shell core and cold box processes.

Internal core production helps improve manufacturing consistency and casting quality throughout production.

Aluminum Melting and Alloy Verification

Aluminum alloys are melted in controlled furnace systems and verified using spectrometer analysis before pouring operations begin.

Maintaining proper alloy chemistry and melt conditions is important for:

  • Mechanical performance
  • Casting integrity
  • Porosity reduction
  • Dimensional stability

Pouring and Solidification

Molten aluminum is poured into prepared molds where the casting solidifies into the required component shape.

Controlled pouring practices help support repeatable manufacturing quality and reduce casting defects.

Cleaning, Finishing, and CNC Machining

After solidification, castings move through cleaning and finishing operations which may include:

  • Grinding
  • Trimming
  • Surface finishing
  • Heat treatment
  • CNC machining

Machining capabilities include:

  • Drilling
  • Boring
  • Tapping
  • 3-axis machining
  • 4-axis machining
  • 5-axis machining

These secondary operations help prepare components for final assembly and application requirements.

Inspection and Quality Verification

Finished castings undergo inspection and dimensional verification based on customer specifications.

Inspection capabilities include:

  • CMM inspection
  • X-ray testing
  • Non-destructive testing
  • Alloy verification
  • Dimensional inspection

These quality control processes help ensure castings meet manufacturing and performance requirements before shipment.

Sand Casting Services in Galesburg, Illinois

Aluminum Castings Company is located in Galesburg, Illinois and serves manufacturers nationwide. Our sand casting operation supports OEM customers throughout Illinois, the Midwest, and across the United States.

Manufacturers often partner with our team when they require:

  • Domestic aluminum casting production
  • Process-controlled manufacturing
  • Machined aluminum castings
  • Prototype and repeat production support
  • Reliable production schedules
  • Long-term manufacturing partnerships

Our Midwest location allows us to support industrial manufacturers across multiple industries while maintaining direct communication and production oversight throughout the manufacturing process.

Frequently Asked Questions

1. What are sand casting services?

Sand casting services involve manufacturing aluminum and metal components by pouring molten metal into prepared sand molds.

2. What are the advantages of sand casting?

Sand casting supports complex geometries, large castings, repeatable production, and flexible manufacturing for industrial applications.

3. What industries use sand casting services?

Industries including agriculture, mining, transportation, marine manufacturing, defense, heavy equipment, and power generation commonly use sand cast components.

4. Can sand castings be machined after production?

Yes. Sand castings are commonly CNC machined after casting to achieve final tolerances and assembly requirements.

5. Does Aluminum Castings Company support prototype castings?

Yes. We support both prototype casting development and repeat production manufacturing programs for OEM and industrial customers.

Image of Sand Casting Services Stability

Request a Quote for Sand Casting Services

Aluminum Castings Company provides sand casting services for OEM manufacturers requiring aluminum casting production, machining support, and process-controlled manufacturing capabilities.

From prototype development to long-term production manufacturing, our team supports industrial customers with dependable aluminum casting solutions designed for repeatable production and industrial performance.

Request a quote today to discuss your sand casting project with Aluminum Castings Company.

REQUEST A QUOTE NOW

Your engineered aluminum casting solution starts here.

Call: 309-343-8910 | Email: sales@aluminumcastingscorp.com