Glass Microsphere

The most commonly used surface treatment technology - Glass beads sandblasting:

In the surface treatment process, sandblasting is a very important pretreatment process, many people don't know much about sandblasting and feel very mysterious, in fact, it is very common in daily life. Today, let's have a look about sandblasting systematically.

To put it simply, the sandblasting process uses compressed air as the power to form a high-speed jet beam, and sprays the jetted materials ( Glass microsphere, Corundum, Steel shot, Steel grit, Black silicon carbide, Green silicon carbide, Steel wire cut) onto the surface of the workpiece to be treated at high speed, so that the surface of the workpiece Changes in appearance or shape.

Due to the impact and cutting effect of the abrasive on the surface of the workpiece, the surface of the workpiece obtains a certain degree of cleanliness and different roughness, which improves the mechanical properties of the workpiece surface, thereby improving the fatigue resistance of the workpiece and increasing the adhesion between the workpiece and the coating. , prolongs the durability of the coating, and is also conducive to the smoothness and decoration of the coating.

Glass beads abrasives blasting advantage:

1. The fuselage is made of fiberglass, which is durable and will not corrode.

2. It adopts a new switch without an electric bag to control the sand pump and compressed air at the same time, which is easy to operate, safe and reliable;

3. The sand pump has reasonable design, easy start-up and long service life.

4. Novel design, suitable for sandblasting of small and medium-sized workpieces;

5. It is recommended to use finer glass beads and various finer fused aluminum oxide;

Compared with the dry sandblasting machine, the biggest feature of the wet sandblasting machine is that it controls the dust pollution during the sandblasting process and improves the working environment of the sandblasting operation.

1. General composition.

A complete wet sandblasting machine generally consists of five systems, namely structural system, medium power system, piping system, control system and auxiliary system.

2. Working principle The wet sandblasting machine uses the grinding fluid pump as the feeding power of the grinding fluid, and the evenly stirred grinding fluid (a mixture of abrasive and water) is delivered to the spray gun through the grinding fluid pump. The compressed air is used as the acceleration power of the grinding fluid, and enters the spray gun through the air pipe. In the spray gun, the compressed air accelerates the grinding fluid entering the spray gun, and sprays it to the processing surface through the nozzle to achieve the expected processing purpose. In the liquid sandblasting machine, the abrasive liquid pump is the feeding power, and the compressed air is the accelerating power.

Compared with other pretreatment processes:

1. Sand blasting is the most thorough, versatile and efficient cleaning method.

2. Sand blasting can make the workpiece choose between different roughness, but other processes cannot do this. Hand grinding can produce a rough surface, but is too inefficient for large-scale, large-area use. Although chemical solvents are clean, the surface after chemical cleaning is too smooth, which is not conducive to coating adhesion.

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