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2021
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06
Know how the sandblasting machine works
With the changes of the times, many industrial operations cannot be done manually. Therefore, in order to improve work efficiency, many machines and equipment appear in industrial production. The mold sandblasting machine is a kind of equipment for sandblasting the mold, which changes the performance of the surface of the workpiece to achieve a certain effect. So what is its working principle? Rubber and plastic alloy materials are all polymer materials, and will be in different phases at different temperatures. From the perspective of phase, the material is only a change in the mechanical state. The state changes when it is under low temperature conditions, and when it returns to normal temperature conditions, various properties will be restored. The freezing sandblasting machine uses the low-temperature freezing effect of liquid nitrogen to embrittle the rubber and plastic alloy materials. At this time, the burr is embrittled before the product. In the time difference between the burr and the product is not yet embrittled, a high-speed jet is used. Macromolecule particles hit the product burrs to remove high-quality burrs from rubber-plastic alloy products and aluminum and zinc alloy products. After the temperature drops, the rubber-plastic alloy material begins to harden, and it will not be deformed or damaged below the embrittlement temperature. Its physical and chemical properties will not change after returning to normal temperature. So its characteristics have been well used.
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