What is an Aluminium CNC Machining Part?
Our Aluminium CNC Machining Parts are precision-produced from high-quality aluminum and aluminum alloys using advanced CNC turning and milling processes. The machined components retain the characteristic silver-gray metallic appearance of aluminum alloys and can undergo hard anodizing to achieve functional and decorative finishes in colors such as black, red, and green. Offering low weight, stable structural performance, and good machinability, these CNC parts can be customized in dimensions, geometry, and surface finish to suit specific OEM and ODM requirements. Stamping and welding processes can also be integrated with CNC machining to manufacture aluminum components with more complex structural configurations.
Aluminum Alloys for CNC Machining
| Aluminum Alloy | Key Considerations |
|---|---|
| 5052 | Good corrosion resistance and suitable mechanical performance |
| 6061 | Balanced strength, machinability, corrosion resistance, and availability |
| 6063 | Commonly associated with extruded profiles and applications requiring good surface appearance |
| 7075 | High strength‑to‑weight ratio |
Core Technical Parameters of Wholesale CNC Metal Parts
CNC Machining Key Parameters
Turning roundness ≤ 0.01 mm; Milling flatness ≤ 0.02 mm; Grinding roughness Ra 0.4 μm; Can be combined with stamping and welding processes to achieve integrated production and adapt to the machining needs of complex structural Aluminum Precision Machining.
Multi-Process Collaboration Parameters
Stamping positioning accuracy ±0.05 mm; seamless integration of stamping post-processing and CNC machining; Welding adopts deformation compensation technology, with machining allowance controlled within 0.1-0.3 mm to ensure welding accuracy and strength for CNC Machined Aluminum Parts.
Surface Treatment Parameters
Hard anodizing is the treatment method for Custom Machined Aluminum Parts; film thickness is strictly controlled at 50 μm; supports customization of multiple colors such as red, green, and black; strong coating adhesion and uniform color.
Frequently Asked Questions about Aluminum CNC Milling Service
What is the difference between CNC milling and CNC turning for aluminum?
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CNC milling is generally used for prismatic parts, pockets, slots, contours, and mounting features. CNC turning is mainly used for rotational components such as shafts, pins, sleeves, and cylindrical parts. Some components require both processes.
What is the highest precision of your Aluminum Precision Machining?
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Our products achieve turning roundness ≤ 0.01 mm, milling flatness ≤ 0.02 mm, and the optimal grinding roughness reaches Ra 0.4 μm, meeting ultra-high precision machining needs of most industrial scenarios.
Do you provide quality certification and test reports?
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All our products comply with ISO9001, RoHS, and REACH standards. We can provide complete batch test reports and relevant qualification certificates to support customer inspection and project filing.
How are Wholesale CNC Metal Parts inspected?
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Inspection methods may include dimensional measurement, hole and thread inspection, surface inspection, first-piece inspection, and batch inspection. The inspection plan should correspond to the critical dimensions and requirements on the engineering drawing.
contact us
Send the CAD drawing, material grade, annual or batch quantity, critical tolerances, and surface-treatment requirements for your Aluminium CNC Machining Part. The manufacturing team can review the machining route, material selection, and secondary processes before quotation, allowing purchasing and engineering teams to evaluate cost and production feasibility from the same technical specification.
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