Aluminum - Dahong Precision

About aluminum alloy?

Aluminum alloy is an alloy material made by adding copper, magnesium, zinc, silicon and other metal elements to aluminum. It has the characteristics of light weight (with a density approximately one-third that of steel), high strength, corrosion resistance and easy processing. It can meet the diverse demands ranging from precision parts to large structural components, and is an ideal choice for achieving performance and cost balance in non-standard customization processing.

Aluminum CNC Machining Services

In the industrial manufacturing fields that focus on lightweighting, high strength and corrosion resistance, aluminum alloys have emerged as the core material for non-standard precision parts in industries such as Automation, Medical, Automotive, Semiconductor, Food & Packaging, and Special Equipment. As a professional non-standard customization factory, we maximize the performance of aluminum alloys through advanced processing technologies and innovations. When processing aluminum alloys with CNC, various processing methods can be employed, including CNC milling, CNC turning, drilling, and tapping. These processing methods can precisely manufacture complex parts and components according to the requirements of the design drawings.
With 9 years of machining experience and advanced one-stop processing equipment, whether it's a single sample or mass production, we can customize aluminum parts according to your requirements and drawings.

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About The Aluminum

Aluminum alloy, as an important engineering material, has the following remarkable characteristics:

Lightweight: The density of aluminum alloy is relatively low, giving it an advantage in reducing the weight of the structure.

High strength: With proper processing and alloying, aluminum alloys can achieve high strength, which can meet the requirements of various engineering applications.

Excellent corrosion resistance: The surface of aluminum alloy can easily form a dense oxide film, which can effectively enhance its corrosion resistance in various environments.

Good processing performance: Aluminum alloy has excellent plasticity and machinability, allowing it to be processed into various shapes and structures using mechanical equipment.

Good thermal and electrical conductivity: Aluminum alloy has excellent thermal and electrical conductivity, and is widely used in some fields that require heat transfer and electrical conduction.

Aesthetics: The surface of the aluminum alloy can be treated in various ways, such as anodizing and painting, which enables it to have a good appearance and decorative properties.

Recyclability: Aluminum alloy is a recyclable material. The recycled aluminum alloy can be further processed.

Aluminum Material List

Aluminum 2024

High-strength Al-Cu-Mg alloy. Excellent strength-to-weight ratio. Aerospace staple. Poor weldability; best mechanically joined. Good machinability. Moderate corrosion resistance; often needs protection (cladding/anodizing).

Aluminum 2017A

High-strength, copper-rich, heat-treatable aluminum alloy. Excellent machinability . Moderate corrosion resistance, poor weldability. Used in aircraft fittings, screws, bolts, structural components requiring strength/machinability.

Aluminum 2014

Excellent mechanical properties, low density, excellent cutting processing performance, but poor corrosion resistance. It requires anodizing or coating protection, and has poor weldability.

Aluminum 5052

The main features are excellent corrosion resistance (especially resistance to seawater corrosion) and weldability, while also having moderate strength. No complex surface treatment is required.

Aluminum 5083

It has excellent corrosion resistance, good welding performance and moderate strength, which makes its strength stable at room temperature and enables it to be processed and formed with excellent quality.

Aluminum 6061

It features high strength, lightweight design and excellent corrosion resistance, while also boasting outstanding processing performance. It supports various forming processes such as CNC precision cutting and welding.

Aluminum 6063

Excellent corrosion resistance and surface treatment capabilities, medium strength, featuring lightweight and certain toughness, suitable for processing into high-precision profiles with complex cross-sections.

Aluminum 6083

It has medium strength, excellent corrosion resistance (especially in marine environment) and outstanding welding performance. After welding, it can maintain high strength without the need for heat treatment.

Aluminum7050

7050 not only maintains a similar strength but also significantly enhances the corrosion resistance of thick-section materials, especially suitable for harsh environments such as high humidity and high salt spray conditions.

Aluminum7075

High hardness, strong fatigue resistance, relatively weak corrosion resistance. It requires anodic oxidation surface treatment to enhance the protective ability. It is the top choice for non-standard precision processing.

Precision CNC Machining Aluminum

Aluminum is a widely used material in CNC machining due to its light weight, low density, corrosion resistance, good thermal conductivity, and excellent mechanical properties.

At Dahong Precision, we have advanced CNC milling, CNC turning, grinding, slow wire electrical discharge machining equipment and professional technologies. We specialize in processing various types of aluminum materials, such as 6061, 7075, 2014, 2017A, 2024, 5052, 5083, 6060, 6063, 6082, 7050, etc. Whether it's simple aluminum cutting or complex precision processing, we can always meet your various needs!

In addition, at Dahong Precision, you can also enjoy high-quality anodizing treatment, hard anodizing and very small tolerances. Our precise services can provide high-quality components for industries such as automotive parts, food machinery equipment and special equipment.

Precision surface treatment of parts

Black Hard Anodizing

Red Anodizing

Yellow Anodizing

Anodizing

Hard Anodizing

About The Aluminum FAQ

In the automation industry, is the strength-to-weight ratio of aluminum suitable for high-speed moving components?

In the automation industry, the excellent strength-to-weight ratio of aluminum makes it an ideal choice for high-speed moving components. For instance, 6061-T6 aluminum alloy maintains high strength while having a density only one-third that of steel, which significantly reduces the inertia load of moving components, thereby increasing equipment acceleration and response speed, and reducing drive energy consumption. For higher strength requirements, 7075 aluminum alloy can approach the strength of some steel through heat treatment, combined with surface treatments such as hard anodizing, it can also enhance wear resistance and fatigue resistance, suitable for scenarios such as mechanical arm joints, linear modules or high-speed conveying systems. This combination of lightweight and durability can not only extend component lifespan but also meet the core demands of automation equipment for high efficiency and low energy consumption.

Which kind of aluminum alloy (such as 6061 or 7075) is more wear-resistant and corrosion-resistant?

In aluminum alloys, 6061 typically exhibits better corrosion resistance (especially in marine or humid environments), but its wear resistance is relatively weak. This can be enhanced through surface treatments such as anodizing or hard anodizing. On the other hand, 7075, due to its high zinc content and excellent strength, has superior wear resistance in dry or low-corrosion environments. However, its corrosion resistance is poor, and it requires coatings or chemical conversion films (such as chromate treatment) to compensate. If considering both wear resistance and corrosion resistance, 6061 combined with hard anodizing is recommended. This not only enhances the surface hardness (up to HV500 or above) but also maintains the base material's corrosion resistance, making it suitable for automated components that undergo frequent friction and require environmental aging resistance. 7075, on the other hand, is more suitable for high-impact, low-corrosion scenarios (such as high-speed transmission structures), but strict surface protection is required.

Does the aluminum welding process (such as laser welding) cause thermal deformation of the material?

The aluminum welding process (such as laser welding) may indeed cause thermal deformation of the material during the processing. Due to the high thermal conductivity and large thermal expansion coefficient of aluminum, the rapid heating and cooling at the local area during welding can lead to an uneven distribution of thermal stress, which in turn causes contraction, warping or dimensional deviations. However, laser welding, with its high energy density, precise focusing and controllable heat input, can significantly reduce the heat affected zone compared to traditional welding methods (such as TIG or MIG). By optimizing the welding speed, power and pulse parameters, thermal deformation can be effectively suppressed.

Other Materials

Steel

Tough, high tensile strength, solid foundation

Stainless steel

Rust proof, strong, hygienic, widely used in industry

POM(Polyoxymethylene)

High hardness, light weight, high steel, high wear

PA(Polyamide)

Good flame retardancy, mechanical strength, rigidity and toughness

DaHong Machining

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