Product Overview & Structural Design
This product is a high-precision CNC machined aluminum ring component, manufactured as part of our Custom Aluminum Machined Parts offering for industrial and mechanical applications. The component features a thick-walled circular profile with an internal cross-reinforced structure and a precision center bore, providing excellent rigidity while minimizing unnecessary weight.
The symmetrical design ensures balanced stress distribution along a common axis, making this CNC Machined Aluminum Ring suitable for applications requiring stable rotation, accurate alignment, and long-term structural reliability. It is commonly used in industrial equipment, automation systems, and precision mechanical assemblies.
Dimensions & Geometric Accuracy
Outer Diameter: Φ4.125
Center Bore Diameter: Φ0.318
Overall Height: 2.130
Machined Fillet Radius: 0.0125 ± 0.0075
Radial Runout of all diameters on a common axis: ≤ 0.010
Angular Tolerance: ±0°30
All critical dimensions are produced through precision CNC turning and milling processes. Tight geometric control ensures consistent coaxiality and dimensional stability, supporting reliable performance in demanding assembly conditions.
Surface Treatment & Finish Quality
The component is finished with hard anodizing in compliance with MIL-A-8625, Type III, Class 1, a surface treatment widely specified for high-performance hard anodized aluminum components:
Anodic coating thickness: 0.0018 ± 0.0002
Post-anodizing surface finish equivalent to Finish Grade 8
Uniform, dense coating with no pores, scratches, or visual defects
This hard anodized surface significantly improves wear resistance and corrosion protection while maintaining a clean, high-quality appearance suitable for industrial environments.
Manufacturing Standards & Application Advantages
Strict quality control is applied throughout machining and finishing processes:
Sharp edges with no chips or burrs
Smooth, defect-free surfaces without mechanical damage
Controlled machining, anodizing, and final inspection procedures
With excellent dimensional stability, durable surface performance, and compliance with military anodizing standards, this component is well suited for high-load and high-wear applications such as precision machinery, industrial equipment supports, and custom mechanical assemblies.
As part of our Custom Aluminum Machined Parts capabilities, material options, dimensions, and surface treatments can be customized according to customer drawings and application requirements.
FAQ
Q: What material is used for this CNC machined ring component?
A: This component is manufactured from aluminum alloy suitable for precision CNC machining and hard anodizing. The material is selected to provide a good balance of strength, machinability, and corrosion resistance for industrial applications.
Q: What hard anodizing standard does this part comply with?
A: The part is hard anodized in accordance with MIL-A-8625, Type III, Class 1, with a controlled coating thickness of 0.0018 ± 0.0002. This treatment improves surface hardness, wear resistance, and durability.
Q: How is dimensional accuracy and runout controlled during machining?
A: Precision CNC turning and milling processes are used, with all critical diameters machined on a common axis. Radial runout is controlled within 0.010, and all parts undergo inspection to ensure consistent geometric accuracy.
Q: What applications is this CNC machined aluminum ring suitable for?
A: This component is commonly used in industrial equipment, automation systems, precision mechanical assemblies, and applications requiring durable hard anodized aluminum components with tight tolerances and stable performance.
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