Metal casings with sandblasted and oxidized surface treatments have become the mainstream technology adopted by manufacturers for laptops and tablet products. Lightweight metal materials used for laptop exteriors offer outstanding advantages in protective performance, heat dissipation, and premium aesthetic appeal.

Sandblasting and Oxidation Processes for:

Since 2017, Paiting Technology has invested significantly in the in-depth R&D and optimization of sandblasting equipment for laptops and 3C electronic products. The company's rotating integrated sandblasting system has been recognized as a pioneering equipment project domestically, with technology leading international standards. It is即将 ready for mass production and market launch.

Paiting's Patented Rotational Module Sandblasting Technology

Application Scenarios:

Huawei laptop case sandblasting process

Laptop keyboard panel sandblasting

Laptop base plate sandblasting

Quality Metrics:

RA and RPC values for base plate sandblasting

Microscopic analysis of sandblasting abrasives

Key Process Parameters for Laptop Case Sandblasting:

1. Roughness range: Ra 1.5-1.7 μm (both front and reverse sides)

2. Deformation tolerance: Refer to D-component SIP sandblasting inspection guide

3. Dimensional tolerance: ±1.5 μm (referenced to the front side)

4. Production capacity: 550-700 pieces/hour

5. Processing speed: 1.1 m/min

6. Pressure: 1.8 ± 0.1 MPa