Custom Precision CNC machined 7075 aluminum parts with hard anodizing
We cater to diverse manufacturing needs by offering custom precision CNC machined 7075 aluminum parts with hard anodizing. Our expertise lies in providing tailored solutions to meet various industry requirements, ensuring quality and reliability in every component we produce.
To enhance the durability and longevity of our aluminum parts, we also offer hard anodizing one-stop services. This process creates a protective layer on the surface, improving corrosion resistance, wear resistance, and surface hardness. As a result, our parts are capable of withstanding challenging operating conditions while maintaining their integrity over time.
At our facility, we prioritize customer satisfaction and strive to exceed expectations with every project. Contact us today to discuss your custom CNC machining needs.
Characteristic
1. Hardness:
- Hardness of 7075 aluminum alloy:
Typically ranges from 150 to 160 HB (Brinell Hardness).
- Hardness after hard anodizing:
Increases to approximately 60 to 70 Rockwell C (HRC).
- Advantage:
Enhanced surface hardness improves wear resistance and durability, prolonging the lifespan of the parts.
- Disadvantage:
Increased hardness may lead to reduced machinability and increased tool wear during machining processes.
2. Corrosion Resistance:
- Corrosion resistance of 7075 aluminum alloy:
Good corrosion resistance in natural environments.
- Corrosion resistance after hard anodizing:
Further improves, offering excellent resistance to corrosion, especially in harsh environments such as marine or industrial settings.
- Advantage:
Hard anodizing creates a protective oxide layer that prevents corrosion and increases longevity.
- Disadvantage:
Hard anodizing may introduce micro-cracks in the surface, potentially compromising corrosion resistance in certain conditions.
3. Surface Finish:
- Surface finish of machined 7075 aluminum parts:
Typically Ra 0.8 to 1.6 micrometers.
- Surface finish after hard anodizing:
Maintains the original surface finish of the machined part.
- Advantage:
Hard anodizing preserves the aesthetic appearance of the parts while providing additional protection against wear and corrosion.
- Disadvantage:
Hard anodizing may result in slight dimensional changes, requiring adjustment in the machining process to achieve precise tolerances.
4. Tensile Strength:
- Tensile strength of 7075 aluminum alloy:
Approximately 572 MPa (83,000 psi).
- Tensile strength after hard anodizing:
Remains largely unchanged.
- Advantage:
Retention of high tensile strength ensures structural integrity and load-bearing capacity in applications requiring strength and durability.
- Disadvantage:
None significant, as hard anodizing does not significantly affect tensile strength.
5. Dimensional Stability:
- Dimensional stability of machined 7075 aluminum parts:
High precision and dimensional accuracy.
- Dimensional stability after hard anodizing:
Minimal dimensional changes, typically within ±0.002 inches.
- Advantage:
Hard anodizing provides a uniform coating thickness, maintaining tight tolerances and ensuring part-to-part consistency.
- Disadvantage:
Process variations or improper sealing of the anodized layer may result in dimensional inconsistencies.
Application
1. Motorsports:
In motorsports, custom precision CNC machined 7075 aluminum parts with hard anodizing are crucial for lightweight yet robust components such as suspension linkages, wheel hubs, and chassis reinforcements. The combination of 7075 aluminum's high strength and hard anodizing's corrosion resistance enhances performance and reliability under extreme racing conditions.
2. Oil and Gas:
Within the oil and gas sector, they are utilized in critical equipment such as drilling rigs, valve components, and offshore platforms. The superior strength-to-weight ratio of 7075 aluminum, along with the protective hard anodized coating, ensures durability and longevity in harsh and corrosive environments.
3. High-Tech Robotics:
In the field of robotics, they play a vital role in robotic arms, joints, and end-effectors. The lightweight and rigid properties of 7075 aluminum, along with the protective hard anodized finish, enable precise and reliable operation in advanced robotic systems used in manufacturing, automation, and research.
4. Renewable Energy:
In the renewable energy sector, these parts are essential for wind turbines, solar panel mounting systems, and hydroelectric components. The combination of 7075 aluminum's lightweight construction and hard anodizing's corrosion resistance ensures durability and longevity in renewable energy infrastructure subjected to harsh weather conditions.
5. Marine Engineering:
Within marine engineering, they are utilized in boat hardware, marine propulsion systems, and offshore structures. The superior corrosion resistance of hard anodized aluminum, coupled with 7075 aluminum's high strength, enhances performance and longevity in marine applications exposed to saltwater environments.
6. Precision Optics:
In precision optics, these aluminum parts serve in optical mounting systems, camera mounts, and telescope components. The lightweight and rigid nature of 7075 aluminum, along with hard anodizing's protective coating, ensures stability and accuracy in optical instruments used in astronomy, photography, and scientific research.
7. High-Speed Rail:
Within the high-speed rail industry, they are employed in train components such as brake systems, suspension systems, and structural elements. The lightweight yet durable properties of 7075 aluminum, combined with hard anodizing's resistance to wear and corrosion, contribute to the safety and efficiency of high-speed rail systems.
8. Precision Machinery:
In precision machinery manufacturing, custom precision CNC machined 7075 aluminum parts with hard anodizing are crucial for machine tools, robotics, and automation systems. The high strength-to-weight ratio of 7075 aluminum, along with hard anodizing's protective layer, ensures reliability and precision in machinery used in aerospace, automotive, and medical industries.
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