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Main features of pressure blasting machine


The pressure type sand blasting machine uses compressed air as the power to form a high-speed spray beam, and sprays the blasting materials (copper ore, quartz sand, iron sand, sea sand, corundum, etc.) on the surface of the workpiece to be treated at high speed, so that the appearance of the outer surface of the workpiece Changes occur, due to the impact and cutting action of the abrasive on the workpiece surface, so that the workpiece surface obtains a certain degree of cleanliness and different roughness, and the mechanical properties of the workpiece surface are improved, so the fatigue of the workpiece is increased, and it and The adhesion between the coatings prolongs the durability of the coating film and is also conducive to the leveling and decoration of the coating.
There is another type of pressure blasting machine which is also an open type blasting machine but not high pressure. There is no pressure in the blasting tank. It is based on the principle of negative pressure. It is the same as each box type blasting machine. This type of open sand blasting machine only needs one cubic meter of air consumption per minute, but its efficiency is not high, and it can only spray about 5-6 square meters per hour. Since this machine is pressureless, no pressure vessel certificate is required.
Pressure sand blasting machine : Generally, the sand blasting gun is a dual-inlet tungsten steel blast gun. Now the boron carbide dual-inlet blast gun has a longer service life, but it cannot be bumped and easily broken because of its high hardness and good wear resistance. At present, most of them still use dual-inlet tungsten steel spray guns. The nozzles are divided into M6, M8, M10, M12 and other types, and the air consumption of each species is different. For example, the M6 nozzle is basically more than 2 squares, and M8 The nozzle requires 4 squares per minute of air, and the square compressor air type costs about 40,000 yuan per minute and the piston type costs about 16,000. The price is much higher than the sand blasting machine. Be sure to pay attention when buying. There are many users I bought an open type sand blasting machine because the air compressor could not be brought up and could not be used.
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