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Introduction to Laser Cutting Nozzle
Posted on:
2021-06-18
Laser Cutting Nozzle is one of the main consumables of laser cutting machine, which plays a very key role in the processing process. Although the laser cutting machine industry is developing with each passing day, the Laser Cutting Nozzle has not changed much in recent years. Although there are many supersonic nozzle designs, they are not widely used in production because of the difficulty in processing their internal curved surfaces.
The double-layer Laser Cutting Nozzle currently on the market is actually a simplified version of the supersonic nozzle studied in the laboratory. After the auxiliary gas passes through the inner core, it will undergo secondary expansion to increase the gas velocity, and then pass through the end hole to reach the working surface. The advantage of this is that it can reduce the generation of shock waves and increase the gas velocity, thereby increasing the efficiency of gas participating in cutting, taking away slag and heat. By using the inner core this way can reduce the processing difficulty, but another side effect is that its effect is not as good as the real supersonic Laser Cutting Nozzle effect! Moreover, the assembly requirements of the inner core are very high. When many nozzle processing plants are making double-layer nozzles, the inner core often falls off, the inner core is installed crooked, and the concentricity exceeds the standard and serious defects!
The double-layer Laser Cutting Nozzle is generally used for high-speed cutting due to its high gas flow rate. Generally, double-layer nozzles are used for cutting carbon steel with oxygen. The speed is fast, but the slit is wide, and the cutting surface will be black due to oxidation.
When we choose the Laser Cutting Nozzle in the production process, we must make a reasonable choice according to the processing material and processing requirements, so as to make the laser cutting quality more perfect.
The quality of Laser Cutting Nozzle is directly related to the quality of the entire laser cutting machine. Only by choosing a brand of laser accessories manufacturers can they achieve high integration, high application efficiency, and technical quality can be effectively guaranteed.
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