Plasma cutting technology, with its high efficiency in cutting metal plates and excellent performance in cutting large thickness non carbon steel metal plates, has been widely welcomed by metal processing enterprises since its inception for more than half a century. Since this technology was introduced into China, its popularity has also increased rapidly. With the continuous progress of this technology in recent decades, its final development trend is gradually clear, and will develop towards refinement, intelligence and standardization.
High precision, laser like plasma cutting power supply
The concept of "fine plasma" was formed in the early 1990s. In order to improve the cutting quality of plasma equipment, cutting power supply manufacturers have increased investment in design and research, and strive to produce isoionic cutting power supply with higher precision, which can be comparable to laser cutting equipment. Through practice, it is found that reducing the size of nozzle hole can produce extremely compressed arc, which greatly improves the current density and energy density of plasma arc, and increases the cutting depth and accuracy of plasma cutting.
In this field, some manufacturers from Germany, the United States and Japan have taken the lead. For example, the Kelby series laser plasma cutting machines in Germany have the advantages of narrow incision, smooth cutting surface, no slag hanging, and no need for secondary treatment. They are mainly used in precision cutting and high-speed, low-cost cutting.
In addition, Haibao HPR series high-precision plasma cutting power supply system from the United States has occupied the mainstream position in the domestic market with its Hydefinition high-precision technology, longlife long-life technology and true hole fine round hole technology. Hydefinition high precision technology is of great help to improve cutting accuracy; Longlife long-life technology, which precisely controls the rise and decline of current and air pressure, can significantly reduce the wear of electrodes and nozzles, so as to ensure that the equipment can obtain efficient, fine and stable cutting quality for a long time; Rue hole fine round hole technology is a unique patented technology in this series, which can basically eliminate the taper of cutting hole shape.
Intelligent plasma cutting power supply
With the rapid development of information technology, digital control technology, modern industrial automation control technology and artificial intelligence technology, welding processing has made progress from the era of automation to the era of intelligence. In this regard, some Japanese enterprises have set a good example. Panasonic of Japan has launched the PF3 series plasma cutting machine with full digital control. This is a set of cutting tools that can be called "versatile". Its power supply is equipped with the "unified" navigation function of cutting, which can automatically determine the appropriate cutting parameters according to the material, thickness and other conditions of the processed plate, so as to achieve high-quality cutting. The equipment adopts DSP advanced digital signal processing technology, which can detect the life of vulnerable parts in real time, and will automatically prompt when it needs to be replaced.
Standardized integrated plasma cutting technology
Through standardized, integrated and modular plasma cutting technology, it is conducive to establish a general technical standard in the industry. Under the constraint of this standard, the cost of purchasing and following up new equipment can be greatly reduced, and the installation, operation and maintenance of equipment and the training of personnel in relevant positions by technicians can be carried out in a more standardized and orderly manner.
At present, Issa from Sweden and Victor from the United States are committed to promoting standardized, integrated and modular plasma cutting equipment, so that the power supply and cutting torque between the equipment can be replaced with each other, making it easier to expand and upgrade.
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