CNC plasma cutting electromechanical "target=_blank> machine power supply stability and accuracy analysis
In recent years, the domestic CNC plasma cutting electromechanical "target=_blank> machine power supply has made great progress. The thyristor inverter power supply is gradually replacing the original leakage-resistant plasma power supply. The current product specifications are relatively complete, especially at high power. On the plasma power supply, there have been great breakthroughs in recent years. Wuhan Fire Safety has introduced a high-power plasma cutting power supply to the market. At present, it can produce 1000A high-power plasma power supply in China, and various years of CNC plasma cutting machine of various specifications. The output is more than 10,000 sets, and nearly one million sets of accessories such as electrode nozzles of various specifications.
The history of CNC plasma cutting machine technology has not been long, but its development speed is very fast. Because plasma cutting has better cutting quality, small thermal deformation, fast cutting speed, etc., especially in the non-ferrous metal and sheet cutting, its advantages are more obvious. Using fine plasma cutting technology, the material cutting surface quality has reached the lower limit of laser cutting quality. With the continuous promotion and application of plasma cutting technology, people have a new understanding of plasma cutting technology, so plasma cutting machines are more and more widely used in various industries. Instrument Elastic Components with Thickness Less Than 0.2 mm During the microbeam plasma arc welding process, the stability of the arc is a necessary condition for the normal operation of the process.
The stability and accuracy of the plasma power supply is extremely important. The stability of the CNC plasma cutting machine "target=_blank> machine directly affects the cutting quality, the instability of the plasma arc, which will lead to defects such as jagged indentation and accumulation of defects. As a result, the life of the relevant components of the control system is reduced, and the nozzles and electrodes are frequently replaced.
Domestic plasma power supplies are mostly used for manual cutting and matching on trolley cutting machines. There are not many types of plasma power supplies for CNC cutting machines, and foreign similar products occupy a fairly high proportion. Compared with foreign products, China's plasma power supply has poor stability and high failure rate. The processing precision of components such as electrodes, nozzles and vortex rings is not high, resulting in a short service life of plasma consumables. In the industry, due to the lack of mechanism for the transformation of plasma cutting theory research and production practices, new product development speed is not fast, and new technology is not widely used. It restricts the further development and application of plasma cutting technology. At present, there is no relevant information about the development and development of fine plasma power sources in China.
The company is mainly engaged in the research and development of various types of CNC metal cutting equipment. The main products are: high-precision metal laser cutting machine, CNC fiber laser cutting machine, high-speed precision plasma cutting machine, CNC laser plasma cutting machine, CNC metal plate tube dual-use plasma cutting machine, CNC gantry plasma flame cutting machine, CNC plasma drill Cut one machine. The product has obtained a number of invention patents and utility model patents. Over the years, it has cooperated with many famous universities in Wuhan, which has greatly improved the company's product research and development strength, cutting process research ability and product quality. Products are widely used in metal processing, machinery manufacturing, shipbuilding, engineering machinery, mining machinery, locomotive manufacturing, chassis cabinets, ventilation and refrigeration and elevators, steel structure, lighting, advertising and other industries.
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