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Aluminum Machining

Aluminum Machining
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Aluminum alloys are lightweight, high-strength, and offer excellent thermal conductivity; they are easy to machine and provide high processing efficiency, making them the most commonly used material in CNC milling. Their surfaces are easily treated through processes such as anodizing, sandblasting, and brushing, resulting in corrosion resistance and a refined appearance.
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Applications of Aluminum Alloys in CNC Milling

Aluminum alloys are lightweight, high-strength, and offer excellent thermal conductivity; they are easy to machine and provide high processing efficiency, making them the most commonly used material in CNC milling. Their surfaces are easily treated through processes such as anodizing, sandblasting, and brushing, resulting in corrosion resistance and a refined appearance.

Widely used in aerospace parts, new-energy parts, sensor housings, electronic enclosures, communication casings, medical device components, automation equipment parts, and precision structural parts, making them ideal for precision customization and small-batch, multi-variety orders.

AL6061 Mechanical Properties and CNC Milling Applications

AL6061-T6 is the most widely used aluminum alloy for CNC milling.

♦ Mechanical Properties:

Density: 2.70 g/cm³, Hardness: HB95-110, Tensile strength: 240-260 MPa, good ductility and corrosion resistance.

♦ Machining Advantages:

Excellent machinability, smooth chip removal, high processing efficiency, stable precision up to ±0.01mm. Suitable for cavities, housings, thin-wall parts and complex profiles. Compatible with anodizing, sandblasting and brushing.

♦ Applications:

New energy components, sensor housings, electronic cavities, communication shells, automation parts, medical equipment components and custom export precision parts.

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FAQ

1. What CNC milling processes are suitable for aluminum alloy?

Planes, cavities, slots, holes, special‑shaped structures and thin‑wall parts are available with high efficiency.

2. What precision can aluminum alloy milling achieve?

Normally ±0.01mm, stable tolerance for thin‑wall parts.

3. What are common aluminum alloy grades?

6061, 6063, 7075, and 6082 are the most widely used for machining.

4. Difference between 6061 and 7075?

6061 is easy‑machinable and cost‑effective; 7075 has higher strength for heavy‑duty structural parts

5. What surface treatments are available?

Anodizing, sandblasting, conductive oxidation, brushing, passivation.

6. Advantages over stainless steel?

Low cutting resistance, low tool wear, fast processing and lower cost.

 

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