how can we machine the Aluminium alloy out
1. Raw Material Preparation:** Aluminum alloy sheets 6061 or 7075) are selected for their optimal combination of lightweight properties and mechanical strength, making them suitable for precision machining requirements.
2. **CNC Machining:** Programmed CNC machine tools perform milling operations on the aluminum sheets. This precisely carves out the fan blade’s hollow structure, central mounting hole, and peripheral positioning holes. The process achieves high-precision formation of complex geometric shapes (tolerances as tight as ±0.01mm), ensuring dimensional accuracy and assembly precision of the components.
3. **Surface Treatment:** An anodizing process is applied. The machined parts are immersed in an electrolytic solution, where an electrolytic reaction forms a blue oxide layer. This process not only imparts wear and corrosion resistance but also enhances the visual texture (the matte blue finish complements industrial aesthetics), thereby improving product recognition.
4. **Quality Inspection & Packaging:** Components undergo dimensional verification (e.g., using Coordinate Measuring Machines – CMM) and surface quality checks (ensuring absence of pits or scratches). Upon confirmation of compliance with design standards, parts are sorted and packed in anti-static packaging (e.g., PE foam padding as shown in the image) to ensure protection during transit.
The entire process integrates precision machining and surface treatment technologies, fulfilling both functional requirements (such as the hollow design for heat dissipation and ventilation)… *(translation ends abruptly as per source text)*
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