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Blind Hole Board Manufacturers PCB Board Cleaning Method

The PCB board cleaning method of blind hole board is electric brush cleaning, which is composed of a long rotating brush placed horizontally in contact with the PCB surface. The brush is made of short and hard nylon wool embedded with silicon carbide particles. When the plate of moves under the brush, the brush moves in the opposite direction of the plate, grinds the dirt on the surface of the plate, and grinds a thin layer on the surface of the plate.

 

The flushing water lubricates and cools the brushes while removing contamination. The biggest advantage of mechanical cleaning in is that it is easy to use and the cost is lower compared with other cleaning methods. This is the most effective and economical way to quickly clean a large number of plates. The cleaning method need a compact structure equipment to matched with it, need small space, and does not require monitoring and configuration of chemical agents.

 

These cleaning techniques are only applicable to the electroplating pattern of the laminate or plated solder film before the primary pattern is formed. It cannot be used after any components are assembled. This is determined by the nature of grinding.

 

Although this cleaning method is convenient and low-cost, it also has its shortcomings. It is easy to remove too much metal surface, especially at the edge of the drilled hole. Because the pressure of the brush is greatest in these places, you may be able to stretch enough core to make the tool mark deviate from the alignment point. Flexible materials such as polyimide are also vulnerable to damage or damage to the brush around the bend.

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XPCB Limited is a premium PCB & PCBA manufacturer based in China.

We specialize in multilayer flexible circuits, rigid-flex PCB, HDI PCB, and Rogers PCB.

Quick-turn PCB prototyping is our specialty.  Demanding project is our advantage.

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Email : [email protected]

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