Rapid shipbuilding and precision shipbuilding are now the goals pursued by the industry. Therefore, how to achieve efficient and precise cutting and processing in shipbuilding has become a hot topic. To this end, related equipment manufacturers have also seen this trend and accelerated the pace of introducing new technologies and new equipment. The actual production and use, from the feedback collected by the author, the application situation is good, and the expected effect is significant. First of all, the superiority of using fine plasma cutting technology has been widely accepted by domestic shipyards. Nowadays, when users purchase new plasma cutting machines, they are often the first choice for fine plasma cutting machines. Among these, in addition to the improvement in users’ ability to understand after many years of practice, we must also see the key role of technological progress. Taking the United States HYPERTHERM product as an example, the current series of fine plasma power supplies includes four products with cutting currents of 130A, 260A, 400A, and 800A, respectively, and the application range has been greatly improved over previous years. The improvement of the fine plasma cutting current realizes the long-awaited goal of high-precision and rapid cutting, and the desire for high-precision cutting of thick plates. In addition, on the basis of the original oxygen long-life technology, it also adopts new inventions such as strong perforation protection caps. Further prolonging the life of the torch wearing parts enables the fine plasma cutting to reduce the running cost while cutting efficiently and accurately, thus further advancing the fine plasma cutting technology toward satisfying the production demand.
Of course, when it comes to precision cutting technology, we must mention laser cutting. The discussion on laser cutting technology used in Chinese shipyards has a long history, but the actual progress is far from satisfactory. In recent years, despite the efforts of all parties, a few shipyards in China have also introduced advanced CO2 laser cutting machines. However, considering the current technical level and economic cost of Chinese shipyards, CNC laser cutting should be It will take a long time for popularity. At least at this stage, the advantage of fine plasma in the cutting efficiency of plate is much more obvious. In the past two years, the fiber laser has been rapidly developed. Its excellent beam quality at high power, high electro-optical conversion efficiency, small volume at the same power, optical fiber transmission brings better work flexibility, and almost maintenance-free high The comprehensive advantages of reliability and other factors have already challenged traditional (CO2) laser cutting.
According to the author's information, with the continuous improvement of the effect of fiber laser cutting plate, many manufacturers of cutting equipment have entered or are preparing to develop the development stage of CNC laser cutting machine equipped with fiber laser. Let us wait and look forward to the day when this can further enhance the efficient cutting technology for China's shipbuilding industry.
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