In the lathe industry, inverters have the largest number of applications. However, Japanese brands such as Yaskawa, Fujitsu, Mitsubishi and Taiwan’s Delta accounted for a relatively large market share. Although there are also some domestic brands of inverters used by machine tool manufacturing companies, but in the field of grinders, forging presses and other functions of the inverter industry's high demand, as usual are mostly foreign brands, such as Mitsubishi, Fujitsu, Germany's Siemens, Delta, etc. The brand is in an advantage as usual.
According to the sales data of machine tools in 2008 and 2009, the general machine tools, especially the lathes with complicated functions, are in proper condition, while the composite machine tools and large-heavy product stores are better. These machine tools have a wide processing scale, and the machine tool implementation parts have the same active speed, and they also put forward a higher demand for the inverter's function. The domestic inverter manufacturers should seize the opportunity to cultivate the machine tool market.
The development of frequency converter technology has made its use in the machine tool industry unstoppable.
The opening trend of the machine tool inverter is:
One is high performance. At present, all inverters require vector control methods, and there are a few exception-level control structures and algorithms. It is worth noting that speed-sensorless vector control is opening faster in recent years, because SVC can plead for low-interest, high-function disposal plans, and has become a dream specification and opening direction in general-purpose inverters.
The second is that the easy-to-control advances from time to time. The user's demand for the frequency converter is gradually transformed into a field device, and additional setting items are added to the software, in the hope of imposing user operations and simplifying the debugging process.
The third is the gradual increase in functional modularization and intelligent demand.
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