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The grinding machine in the circuit board equipment is a device used in the production process of the printed circuit board (PCB), which is mainly used for the surface leveling and smooth treatment of the circuit board. It is usually used to remove defects, oxides or other irregular impurities from the PCB surface to ensure that the board surface is smooth and provide appropriate surface quality for subsequent electroplating, coating or other processing processes.
The main functions of the grinding machine:
Smooth surface: The grinding machine can remove small defects on the PCB surface through grinding to ensure smooth surface.
Remove oxides and impurities: PCB surface may appear oxides or other stains, grinding machine can effectively remove these impurities to ensure the electrical conductivity of the circuit.
Improve processing accuracy: Through meticulous grinding, the board grinder can improve the flatness and surface finish of the PCB, providing a better foundation for subsequent processing.
Increase the service life: The PCB surface polishing treatment can effectively extend the service life and reliability of the circuit board.
The grinding machine generally uses a high-speed rotating grinding disk or grinding wheel to grind the PCB. The speed and grinding pressure of the mill can be adjusted according to different requirements to achieve the desired surface effect. The grinding machine can be equipped with different grit sandpaper or grinding disks to achieve different degrees of grinding.
Loader→ acid pickling → overflow washing (1) (2) → plate grinding 1 → plate grinding 2 → overflow washing (3) (4) → medium pressure water washing → overflow washing (5) → clean water washing and drying → dry plate combination →unloader
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