CNC Aluminum Prototyping: Where Quality and Precision Converge

  • CNC Aluminum Prototyping as fast as 2-5 day
  • Tolerances down to ±0.02mm
  • Free Sample Before Bulk Production
  • All files uploads are secure and confidential

Professional Custom CNC Aluminum Prototype - RALLY

At RALLY, we have been mastering the precision art of CNC aluminum prototyping for over 15 years. By combining cutting-edge technology with exquisite craftsmanship, we continue to produce prototypes that are built to last and built with exquisite detail. Each product is the embodiment of our unwavering commitment to sculpting from the finest aluminum.

In addition, our products are exported to more than 40 countries around the world, earning us a wide range of trust that is a testament to our relentless pursuit of excellence.Equipped with state-of-the-art CNC machines ranging from 3-axis to 5-axis, RALLY is capable of breathing life into even the most intricate designs. So choosing RALLY means being part of an ecosystem of innovation, efficiency and attention to detail that harmoniously blend together to elegantly realize the masterpiece you envision.

cnc aluminum prototyping

CNC Aluminum Prototyping Services

Our services are tailored to meet the diverse needs of industries requiring high-precision aluminum prototypes. Leveraging advanced CNC technology, we offer a range of services that encompass every stage of prototype development, from initial design to final product. Our team of skilled engineers and machinists works closely with clients to ensure their vision is accurately brought to life.

3D CNC Milling:

  • Our 3D milling service is ideal for creating complex aluminum prototypes with intricate geometries and fine details.
  • We use state-of-the-art milling machines capable of handling a variety of aluminum alloys.
  • This service is perfect for creating components with high dimensional accuracy and excellent surface finish, suitable for both functional testing and aesthetic models.

CNC Turning:

  • Our CNC turning capabilities allow for the production of cylindrical or round aluminum parts with exceptional precision.
  • This process is ideal for manufacturing parts like shafts, knobs, and bushings, where concentricity and smooth surface finishes are crucial.
  • We can handle both small and large volume production runs, maintaining consistent quality throughout.
6061 Aluminum CNC Machining Parts
CNC Turning Services CNC machining China Manufacturer
CNC drilling stainless steel machining service

CNC Drilling:

  • We offer precision CNC drilling services to create accurate holes and features in aluminum prototypes.
  • Our drilling process is designed for high accuracy and repeatability, ensuring each part meets stringent specifications.
  • This service is essential for components requiring precise hole diameters and placements, such as custom enclosures or chassis.

Surface Finishing and Treatment:

  • In addition to our machining capabilities, we offer a range of surface finishing and treatment options to enhance the appearance and performance of the aluminum prototypes.
  • Options include anodizing, powder coating, painting, and more, providing prototypes with added corrosion resistance, surface hardness, and aesthetic appeal.
Rapid Prototyping Services
Quality Inspection 2

Rapid Prototyping:

  • Rapid prototyping with CNC machining allows for the quick turnaround of aluminum prototypes.
  • This service is particularly beneficial during the early stages of product development, enabling designers and engineers to test and refine their concepts swiftly.

Quality Control and Inspection:

  • We employ rigorous quality control measures throughout the prototyping process.
  • Our inspection protocols ensure that every prototype meets the required tolerances and specifications, backed by detailed reporting and documentation.

Our Equipments

Having honed our skills in CNC machining for 18 years, we've not only amassed expertise but also expanded our equipment inventory significantly. At the heart of our operations, we proudly boast 50 CNC machining centers. In addition, complementing these are our 20 sets of CNC lathes.

Furthermore, to ensure versatility in our services, we have invested in 10 sets of 4-axis linkage machining centers. Not stopping there, we've also incorporated 4 sets of 5-axis linkage machining centers. Lastly, our arsenal is completed with 10 sets of Citizen walking centers, underscoring our commitment to precision and excellence.

Automatic lathe centering machine

Aluminum CNC Prototyping Product Display

Delving into the realm of Aluminum CNC Prototyping, our showcase features impeccable craftsmanship and precision. Beginning with raw aluminum, our transformative process culminates in intricate designs that embody excellence. Consequently, each piece stands as a testament to our meticulous attention to detail, spotlighting our unparalleled expertise in the industry.

Red anodizing aluminum housing -Aluminum Electronic Enclosures
Aluminum electronic enclosures
Aluminum Electronic Enclosures -CNC Aluminum Prototyping
Aluminum-electronic-enclosure-Machined Parts Manufacturer
6061 Aluminum CNC Machining Parts
Aluminum CNC Electronic Housings-Aluminum Electronic Enclosures
cnc aluminum enclosures-Aluminum Electronic Enclosures
Machined electronic enclosures--Aluminum Electronic Enclosures
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Material Grades For CNC Aluminum Prototyping

Starting with the basics, aluminum is a popular metal for prototyping, largely due to its unique combination of beneficial properties such as strength, lightweight nature, conductivity, and resistance to corrosion. Delving deeper, different alloys provide various properties, each tailored for specific applications. To give you a clearer picture, here are some commonly used types of aluminum for prototyping:


  1. Aluminum 6061:

    • One of the most widely used aluminum alloys in CNC machining.
    • Known for its excellent strength-to-weight ratio, good corrosion resistance, and weldability.
    • Ideal for applications in aerospace, automotive, and consumer electronics.
    • 6061 is often used for structural components, custom frames, and brackets.
  2. Aluminum 7075:

    • Recognized for its superior strength compared to other aluminum alloys.
    • Contains zinc as the primary alloying element.
    • Particularly suited for applications where high stress-resistance is required.
    • Commonly used in aerospace, defense, and high-performance automotive parts.
  3. Aluminum 2024:

    • Known for its high strength and fatigue resistance.
    • Often used in aerospace applications, especially in the construction of aircraft structures.
    • Not as corrosion-resistant as other alloys, typically requiring a protective coating for prolonged use.
  4. Aluminum 5052:

    • Has excellent corrosion resistance, making it suitable for marine applications.
    • Good formability and weldability.
    • Often used in sheet metal applications, such as enclosures, housings, and panels.
  5. Aluminum 6063:

    • Often referred to as an architectural alloy.
    • Has a good surface finish and is more formable compared to 6061.
    • Commonly used for architectural applications, custom frames, and fittings.
Material CNC Machining
Material Grades For CNC Aluminum Prototyping

Surface Finish for CNC Aluminum Prototyping

Diving into details, choosing the right finish not only enhances the appearance but also improves wear and corrosion resistance, while ensuring better adhesion for paints and coatings. To guide you through the selection process, here are some common surface finishes for CNC aluminum prototyping:

1. Anodizing:

One of the most popular finishes for aluminum, anodizing provides a hard, wear-resistant layer on the surface. It can be done in various colors, enhancing the prototype's appearance. Anodizing also improves corrosion resistance.

2. Bead Blasting:

This process uses bead-shaped media to create a smooth matte surface. It's primarily for aesthetic purposes and to provide a uniform appearance.

Metal Surface Finishing

3. Powder Coating:

A dry finishing process that creates a hard, protective layer on the prototype. Available in a wide range of colors, it provides both aesthetic appeal and additional protection against wear and tear.

4. Polishing:

Producing a reflective, mirror-like finish, polishing enhances the prototype's appearance. It's often used for prototypes that require a high-end look.

5. Brushed Finish:

This finish creates a uniform, parallel grain surface that can help in hiding machining marks. It offers an aesthetic appeal and is often followed by anodizing.

7. Laser Etching:

While not strictly a finish, laser etching can be used to mark the aluminum prototype with serial numbers, logos, or other essential information without affecting the part's integrity.

9. Painting:

Like powder coating, painting provides a colored finish. However, it's a wet process and often requires a primer and a top coat. It's essential to prepare the aluminum surface properly to ensure paint adhesion.

6. Chromate Coating:

A protective layer is formed on the aluminum surface, improving corrosion resistance and providing a good base for paint or adhesive bonding.

8. Electroplating:

Electroplating can be used to deposit a thin layer of another metal (like chrome or nickel) onto the aluminum prototype. It can improve wear resistance, reduce friction, and provide a shiny appearance.

10. Passivation:

This process enhances the natural oxide layer on the aluminum surface, improving its corrosion resistance.

When selecting a surface finish for CNC aluminum prototyping, it's essential to consider the intended use of the prototype, environmental conditions it might be exposed to, and the desired aesthetic appeal. Combining finishes (like brushing followed by anodizing) can often achieve both functional and aesthetic requirements. .

Industries Served

Our CNC aluminum prototyping services cater to a broad spectrum of industries, each with unique requirements and challenges. The versatility and precision of our services make them ideal for a range of applications across various sectors. Here are some of the key industries we serve:

Aerospace Industry - Machined Parts Manufacturer

Aerospace and Aviation

  • We provide high-precision components for aircraft and spacecraft, where strength, weight, and reliability are critical.
  • Common applications include airframe structures, engine components, and landing gear parts.
Automotive Industry - Precision Machining Services


  • Our services support the automotive industry in developing prototypes for both traditional and electric vehicles.
  • This includes engine parts, transmission components, and custom fittings for high-performance vehicles.
Telecommunications -Machined Parts Manufacturer


  • Our services are utilized for prototyping components used in communication devices and infrastructure.
  • This includes parts for antennas, network equipment, and satellite systems.
Medical Electronics Industry - Precision Machining Services


  • We produce prototypes for medical devices, surgical tools, and healthcare equipment.
  • Our precision machining ensures the high degree of accuracy required for medical applications.
Electronics -Machined Parts Manufacturer


  • Our prototyping services are used for creating components in consumer electronics, such as laptop frames, heat sinks, and enclosures.
  • In the semiconductor industry, we provide parts for manufacturing equipment and testing devices.
Consumer Products

Consumer Products

  • We assist in the development of consumer goods, including sports equipment, household appliances, and custom fittings.
  • Our ability to produce aesthetically pleasing and functional prototypes is key in this sector.

Each of these industries benefits from our tailored approach, ensuring that the prototypes we produce meet the specific requirements and standards of their respective fields. Our commitment to quality, precision, and customer service has established us as a trusted partner in the world of CNC aluminum prototyping.

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  • Machined prototypes in 3-5 days
  • 60+metal and plastic material
  • 20+ surface finishes
  • Tolerances down to +/-0.01mm
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