CNC Machining Aluminum
Good formability, weldability and machinability. Moderate cost,
sufficient performance for industrial applications.
Aluminum CNC Machining
Aluminum is lightweight, easy to machine, and highly suitable for precision manufacturing. It offers excellent machinability, good thermal conductivity, fast cutting speeds, and efficient material removal. With proper tooling and machining parameters, aluminum can achieve tight tolerances, smooth surface finishes, and high production efficiency for various industrial applications.
Delivery time: ＜ 5 days
Recommend Accuracy: ±0.1mm
Max part size: 200 x 80 x 100 cm
YILING CNC accept: , Aluminum 6061、2024、5052、5083、5083、6061-T6、6063、6082、7075、7075-T6、ADC12 (A380)
Available materials
Different aluminum grades have different alloy compositions, which affect strength, hardness, machinability, corrosion resistance, weldability, and surface treatment performance, making each grade suitable for different applications.
Aluminum 6061
Excellent machinability, good strength, and stable cutting performance. One of the most widely used grades for CNC machining.
Aluminum 2024
High strength and good machinability. Suitable for precision milling and turning, commonly used in aerospace components.
Aluminum 5052
Good corrosion resistance and formability. Relatively soft, making it more suitable for sheet metal parts and light machining.
Aluminum 6063
Good machinability and excellent surface finishing performance. Often used for profiles, housings, frames, and decorative parts.
Aluminum 6082
Good strength and machinability with stable dimensional performance. Suitable for structural and mechanical components.
Aluminum 7075
Very high strength with excellent machining performance. Suitable for high-precision and high-load parts, especially aerospace.
Weakness and Strengths of Aluminum CNC Machining
Aluminum is lightweight, corrosion-resistant, conductive, and easy to machine. It offers high production efficiency and versatile finishes, but has lower hardness, wear resistance, and strength than many steels in use.
Weakness
Lightweight – Aluminum has low density and is ideal for weight-sensitive applications.
Good Machinability – It is easy to cut, drill, mill, and turn with high machining efficiency.
Corrosion Resistance – Aluminum naturally forms a protective oxide layer and can be further enhanced by anodizing.
Good Thermal Conductivity – Suitable for heat sinks, electronic housings, and thermal management parts.
Excellent Surface Finish – Aluminum supports anodizing, polishing, brushing, sandblasting, and powder coating.
Strengths
Lower Strength than Steel – Some aluminum grades may not be suitable for extremely high-load applications.
Lower Wear Resistance – The surface can wear more easily without additional treatment.
Easy to Scratch – Aluminum is relatively soft and may require protective surface finishing.
surface treatment
Aluminum anodizing forms a protective oxide layer on the surface, improving corrosion resistance, wear resistance, and surface hardness. It also enhances appearance and allows various color finishes, making aluminum parts more durable and suitable for both functional and decorative applications.
Anodizing
Anodizing improves aluminum’s corrosion resistance, wear resistance, and surface hardness. It can also provide various decorative colors while maintaining a clean and durable finish.
Powder Coating
Powder coating forms a strong protective layer on the aluminum surface. It offers good corrosion resistance, impact resistance, and a wide range of color and texture options.
Sandblasting
Sandblasting creates a uniform matte surface and improves the overall appearance of aluminum parts. It is often used before anodizing or coating to achieve a more refined finish.
Polishing
Polishing makes the aluminum surface smoother and brighter. It can improve visual quality and is commonly used for decorative parts and products requiring a high-gloss appearance.
Brushing
Brushing creates fine, consistent lines on the aluminum surface, giving the part a clean and premium metallic texture. It is widely used for housings, panels, and decorative components.
The application of CNC machined aluminum parts
Aerospace – Used for brackets, housings, structural components, and lightweight precision parts.
Automotive – Commonly used in engine components, suspension parts, transmission parts, and custom racing components.
Electronics – Applied to heat sinks, enclosures, frames, connectors, and electronic device housings.
Medical Equipment – Used for precision housings, instrument parts, fixtures, and lightweight medical components.
Semiconductor Equipment – Used for precision plates, chambers, fixtures, frames, and equipment structural parts.
Industrial Machinery – Applied to machine components, tooling, fixtures, supports, and custom mechanical parts.