Material Preparation:
The first step involves selecting 6-series aluminum alloys (like 6061 or 6063). These alloys are then smelted and cast into ingots, forming the foundation for the production process.
Forging:
The ingot is heated to the appropriate temperature and then subjected to pressure using forging equipment, such as a die-forging machine. This process forces the metal to flow into the mold, creating the initial shape of the back plate. Forging helps refine the aluminum alloy’s grain structure, significantly enhancing its strength and toughness. This step ensures the back plate is both lightweight and highly impact-resistant.
Heat Treatment:
Solution Treatment: The forged aluminum alloy is heated to a specific temperature, where alloying elements dissolve into the aluminum matrix. This is followed by rapid cooling (e.g., water quenching), creating a supersaturated solid solution that prepares the material for the next stage.
Aging Treatment: The material is then kept at room temperature or a slightly lower temperature to precipitate fine second-phase particles, which improve the hardness and strength of the aluminum alloy. This strengthens the back plate and ensures its structural integrity during prolonged use.
CNC Precision Machining:
Using advanced computer numerical control (CNC) technology, the aluminum back plate undergoes precise machining processes like drilling, slotting, and chamfering. This step ensures the back plate meets complex structural and assembly requirements, guaranteeing compatibility with other components.
Surface Treatment:
Anodization: A dense oxide film is formed on the surface, significantly improving wear resistance, corrosion resistance, and customization potential. The anodized surface can be tailored in a variety of colors and textures to suit aesthetic preferences.
Sandblasting / Brushing: These techniques enhance the tactile feel of the surface and increase fingerprint resistance, ensuring the back plate remains sleek and visually appealing even with daily use.
Assembly and Inspection:
The final step involves assembling the back plate with other computer components, such as the screen and internal parts. Multiple inspections—focusing on size, strength, and appearance—are conducted to guarantee product quality and performance.

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