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

Aluminum Castings Company

Aluminum Castings Company manufactures aluminum sand castings 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 aluminum sand castings for industrial applications where alloy integrity, dimensional verification, and repeatable production are critical.

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

What Are Aluminum Sand Castings?

Aluminum sand castings are metal components produced by pouring molten aluminum into sand molds that form the required part geometry. Sand casting allows manufacturers to create complex shapes, internal passages, and large industrial components with repeatable production consistency.

Aluminum sand casting is commonly used for applications requiring:

  • Lightweight metal components
  • Corrosion resistance
  • Machinability
  • Structural durability
  • Complex geometries
  • Large casting capabilities

Compared to other manufacturing methods, aluminum sand casting offers flexibility for producing both prototype and production components across a wide range of sizes and configurations.

At Aluminum Castings Company, our aluminum sand casting capabilities include:

  • 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 cored castings depending on project requirements.

Who Uses Aluminum Sand Castings?

Aluminum sand castings are used across multiple industries requiring durable and dimensionally accurate industrial components.

Our aluminum sand castings support 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 mechanical performance and dimensional stability 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 casting requirements and repeat production programs.

Why Choose Aluminum Castings Company for Aluminum Sand Castings?

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 aluminum sand casting production.

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

Capabilities include:

  • DISA automated molding
  • 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 sand 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 Aluminum Sand Casting Process Work?

The aluminum 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 mold preparation used to create 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 component 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.

Aluminum Sand Castings Manufactured in Galesburg, Illinois

Aluminum Castings Company is located in Galesburg, Illinois and serves manufacturers nationwide. Our aluminum 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 aluminum sand castings?

Aluminum sand castings are metal components produced by pouring molten aluminum into sand molds to create industrial parts and complex component geometries.

2. What are the advantages of aluminum sand casting?

Aluminum sand casting supports complex geometries, large component production, prototype flexibility, and repeatable manufacturing for industrial applications.

3. What industries use aluminum sand castings?

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

4. Can aluminum sand castings be machined after production?

Yes. Aluminum 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 Aluminum Sand Castings Advantages

Request a Quote for Aluminum Sand Castings

Aluminum Castings Company provides aluminum sand casting solutions 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 sand castings designed for repeatable production and industrial performance.

Request a quote today to discuss your aluminum 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