Yuhuan CNC Machine Tool Co., Ltd.

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Laptop shell grinding and polishing

Five-axis grinding and polishing technology, through the integration of "high equipment rigidity + refined process + intelligent control", has become a core competitiveness in the manufacturing of high-end laptop shells.

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Typical processed parts

Equipment highlights

Laptop shell grinding and polishing

Product pretreatment: CNC machining

Product post-processing: Sandblasting, anodizing

Product requirements: Product contour without burrs/no chatter marks/coarse threads

Processing method: The workpiece uses vacuum adsorption, three stations are processed simultaneously, one machine uses sponge sanding for rough polishing, and one machine uses a polishing cloth for fine polishing.

“Shown is an experimental sample; this product can be fully automated loading and unloading according to customer needs.”

In the production of 3C products (especially precision appearance parts of laptops and mobile phones), the appearance polishing has extremely high precision requirements. The limitations of traditional water polishing processes can indeed lead to quality problems such as scratches and unevenness, while the introduction of a five-axis CNC polishing machine fundamentally solves these pain points.

Main features
1. One-time polishing and shaping: The program automatically switches consumables, supporting rough, medium, and fine polishing in one go;
2. High processing efficiency: 17 servo axes + multiple workstations, vacuum adsorption or pneumatic cylinder fixture for workpiece positioning;
3. Reliable precision: Workpiece axial pressure compensation, independent servo motor drive, real-time force control ensures consistent pressure between the polishing disc and the workpiece;
4. Processing of multi-size products: Workstations are interchangeable, five workstations - meet products with a diagonal less than 235mm; three workstations - meet products with a diagonal less than 475mm;
5. High yield: Multi-motion trajectory polishing technology, the polishing head has planetary motion, high consistency;
6. High-speed response: CNC control system, realizing automatic control, monitoring, counting, alarm, motion shaping, and high-precision interpolation;
7. Convenient installation and maintenance: Modular design, easy maintenance;
8. Human-machine visual operation interface: Real-time display of alarms and machine status, comprehensive information, easy to operate;
9. Automated expansion function: Reserved automatic loading and unloading interface to help enterprises achieve fully automated production line operation.