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What are the characteristics of waterjet cutting seam?

Post time:2021-09-11    By:EAAK    Clicks:
Even ordinary tap water can be increased to the required pressure through a supercharger,and equipped with a jewel nozzle to shoot water arrows at a very high speed, thus possessing powerful cutting ability.This is the formation process of the waterjet.
The high-energy water jet produced by the water jet cuts the material below the water jet to form a slit. Therefore, the size of the slit is directly affected by the diameter of the water jet, and the diameter of the water jet is related to the aperture size of the gem nozzle. The hole size of the sand pipe and the fluctuation of water pressure are related.
In addition, the size of the waterjet slit is also related to the material being cut, abrasive, and cutting speed. Therefore, the width of the slit is not fixed, but its change is very small over a period of time. Therefore, to ensure high cutting accuracy, it is necessary to measure the width of the slit frequently in order to
Adjust the parameters in time. Under normal conditions of use, when the width of the water jet cutting seam is found to exceed 2mm, it indicates that the sand pipe has been worn severely and has reached its service life. It should be scrapped and replaced with a new sand pipe. In addition, the energy of the water jet emitted by the water jet will become weaker as the distance from the jewel nozzle increases. Therefore, the shape of the cross section of the cutting workpiece will appear diagonal, and the closer the upper surface of the workpiece is, the smoother the upper surface, and the farther away from the workpiece. The rougher the upper surface.
At present, the thickness of the workpiece that can be cut by the water jet can reach 100mm, and the cross-section of the workpiece is relatively flat. In fact, the generation of twill in the cutting section is also related to the fluctuation of the water jet pressure. As long as the pressure is increased and the cutting speed is reduced, the occurrence of the twill in the section can be effectively improved. 

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