CNC Aluminum Part
Your Professional CNC Aluminum Part Supplier
CNC aluminum parts are precision components manufactured from aluminum materials through CNC machining processes, offering advantages such as lightweight structure, good machinability, and excellent surface finish.
These parts are commonly used in automation equipment, electronics, machinery, fixtures, and custom hardware applications, and are produced according to drawings or samples with specified tolerances and surface requirements
Why choose us
Production Market
Our products are sold to customers in Europe, Southeast Asia, the Middle East, and the Americas. We expand our sales through channels such as Alibaba International, our own website, and global exhibitions, greatly enhancing our international presence.
OEM/ODM Services
Whether you need logo engraving, private-label packaging, special materials, or a completely customized design, our engineering and manufacturing teams can provide high-quality solutions tailored to your requirements.
Factory Scale
We have expanded our machine capacity and upgraded our tooling, fixtures, and inspection systems. As a result, production efficiency, product stability, and delivery speed have all reached new industry standards.
Specifications
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Product Name |
CNC Aluminium Parts / Precision Machined Aluminium Components |
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Materials |
6061-T6, 6063-T5, 5052-H32, 7075-T6, 2024, 6082, Custom Aluminium Grades |
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Size Range |
Ø1 mm – Ø150 mm / Length up to 1200 mm |
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Processes |
CNC Milling, CNC Turning, Swiss-Type Machining, Drilling, Tapping, Grooving, Deburring |
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Surface Treatment |
Anodizing, Hard Anodizing, Sandblasting, Brushing, Polishing, Powder Coating, Electroplating |
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Tolerance |
±0.01 – ±0.05 mm depending on geometry |
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Applications |
Machinery, Electronics, Automation, Automotive, Aerospace, Medical Devices, Hardware |
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Prototype Quantity |
1–50 pcs |
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Mass Production |
CNC machining centers, automatic turning, batch processing |
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Lead Time |
Samples 3–7 days / Mass production 10–25 working days |
The Benefits of CNC Aluminum Part
Lightweight:
Aluminum is much lighter than steel, making it ideal for industries like aerospace and automotive, where weight reduction is crucial.
Corrosion Resistance:
Aluminum has excellent resistance to corrosion, which increases the lifespan of parts used in outdoor and marine environments.
Precision:
CNC machining guarantees tight tolerances and high accuracy, which is essential for complex parts.
Durability:
Although lightweight, CNC aluminum is strong and durable, providing long-term reliability.
Choosing the Right Aluminum Alloy
Aluminum 6061: Multi-purpose
The general CNC machining industry primarily uses 6061 aluminum as its leading material because it offers a yield strength of 276 MPa and provides excellent corrosion protection. Its widespread use and excellent machinability help reduce costs in manufacturing processes. 6061 is commonly used to produce high-quality machined parts for various applications. The alloy exhibits good mechanical properties, with an elongation of 12%, which enables formability without material failure.
Aluminum 7075: High-Strength Option
High-stress applications benefit from 7075 aluminum because it provides a maximum tensile strength of 572 MPa when heat-treated to the T6 condition, but it shows weak resistance to stress corrosion. The heat-treatable alloy 7075 is best suited for aerospace fuselage frame construction due to its exceptional strength-to-weight ratio. The tool requirements for machining this material need to be more aggressive because of its hard nature.
Aluminum 2024: Fatigue-Resistant Choice
The 2000 series aluminum alloy 2024 offers excellent fatigue properties and workable machinability, with a tensile strength rating of 483 MPa. Aluminum 2024 is recognized for its excellent fatigue resistance, making it an ideal choice for structural components subjected to cyclic loading. The material finds widespread use in aircraft construction because it enables strong riveted connections. The corrosion resistance of this material is enhanced when manufacturers apply cladding to its base material.
Aluminum 5052: Formable Marine Grade
The corrosion-resistant properties of Aluminum 5052 make it suitable for marine applications, as it exhibits a yield strength of 193 MPa and excellent weldability. Aluminum 5052 is also valued for its low cost, making it a budget-friendly option for marine and fabrication projects. The metal easily forms thin sheets for marine fuel tank applications due to its good machinability. The non-heat-treatable nature of this material maintains uniform mechanical properties after machining operations.
Aluminum 5083: Weldable High-Corrosion Variant
The corrosion resistance of 5083 aluminum alloy exceeds that of other materials, as it withstands salt water exposure for over 2000 hours in salt spray tests. The material reaches tensile strength of 317 MPa, enabling it to support welded aluminum structures in shipbuilding operations. The material produces refined surfaces during machining because of its flexible nature.
Surface treatment methods for CNC aluminum parts
The surface finish of cnc machined aluminum parts can significantly impact their appearance, durability, and functionality. Various aluminum techniques are available to meet specific requirements.
As Machined: This is the natural finish of the part straight from the cnc machine for aluminum. It will show tool marks and machining lines, but offers a cost-effective solution when aesthetic appearance is not a primary concern.
Anodizing (Type II & Type III Hard Coat): An electrochemical process that converts the surface of the aluminum into a durable, corrosion-resistant, and aesthetically pleasing anodic oxide finish.
Type II Anodizing offers good corrosion resistance and is available in various colors, providing an attractive finish for aluminum cnc parts.
Type III Hard Coat Anodizing produces a thicker, harder, and more wear-resistant layer, ideal for applications requiring extreme durability and abrasion resistance. It also offers enhanced dielectric properties.
Bead Blasting: Uses small glass beads to create a uniform matte or satin finish on the machined aluminum surface. This can reduce glare and provide a consistent texture, often used as a preparatory step for further coatings.
Brushing: Creates a directional, linear satin finish by abrading the aluminum surface with a wire brush or abrasive belt. This finish is commonly seen on decorative aluminum parts and consumer electronics.
Polishing: Achieves a smooth, highly reflective, mirror-like finish by mechanically abrading the surface with progressively finer abrasives. This is used for aesthetic appeal and sometimes for reducing friction. Engine turned aluminium is a specialized form of decorative polishing.
Powder Coating: A dry finishing process where finely ground particles of pigment and resin are electrostatically charged and sprayed onto the aluminum part. The part is then cured under heat, creating a hard, durable, and colorful finish. It offers excellent resistance to chipping, scratching, and fading.
Electroless Nickel Plating: A method of depositing a uniform nickel-phosphorus alloy coating onto the aluminum surface without external electricity. It provides excellent corrosion resistance, wear resistance, and uniform thickness, even on complex geometries.
Certificate
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We're well-known as one of the leading cnc aluminum part manufacturers and suppliers in China. With reliable product quality and honest service, we have won widespread trust and praise from our customers. Please rest assured to wholesale custom made cnc aluminum part from our factory.
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