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Do you know what is the difference between sand blasting and shot blasting?


Do you know what is the difference between sandblasting blasting and shot blasting?

Sand blasting gun is a method of cleaning the surface of parts by blowing out quartz sand at high speed with compressed air. It is also called sand blowing in the factory. It not only removes rust, but also can remove oil, which is very useful for painting. It is often used for rust removal on the surface of parts; it is used for surface modification of small parts (the small wet sand blasting machine on the market is used for this purpose, the sand grain is usually corundum and the medium is water); in steel structures, the use of high-strength bolts for connection is a comparison In the advanced method, since the high-strength connection uses the friction between the bonding surfaces to transmit force, the quality of the bonding surface is very high. At this time, the bonding surface must be treated with a sandblasting gun.

Sand blasting is used for complex shapes, easy to remove rust by hand, low efficiency, poor on-site environment, and uneven rust removal. General sand blasting machines have various specifications of sand blasting guns. As long as it is not a particularly small box, you can put the gun in and clean it. The supporting product of the pressure vessel—the head uses a sandblasting gun to remove the oxide scale on the surface of the workpiece. The diameter of the quartz sand is 1.5mm ~ 3.5mm. One kind of processing is to use water as a carrier to drive silicon carbide to process parts. Sandblasting gun.

Both the shot blasting and sandblasting guns can clean and decontaminate the workpiece. The purpose is to prepare for the next order, that is, to ensure the roughness requirements of the next process, and some to the surface consistency. With the strengthening effect, the sandblasting gun is not obvious. Generally, the shot blasting is a small steel ball, and the sand blasting gun is quartz sand. According to different requirements, the precision casting of sub-head counts is almost every day using sandblasting blasting and shot blasting.

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