The implementation components of machine tools require consistent speed control, and this has led to higher demands on inverter performance. Domestic inverter manufacturers have a great opportunity to develop and expand their presence in the machine tool market.
Currently, most CNC machine tools in Japan use Japanese brands, such as Mitsubishi, which are popular due to their close integration with the server systems. Delta is also used, but mainly because of its reliability—though it comes at a high cost. In recent years, more cost-effective alternatives have gained traction, gradually increasing their market share.
In the lathe industry, inverters are widely used. However, major market shares are still held by Japanese brands like Yaskawa, Fujitsu, and Mitsubishi, along with Taiwanese brand Delta. While some domestic inverter brands are being adopted by machine tool manufacturers, foreign brands continue to dominate in specialized areas such as grinders and forging presses. Brands like Mitsubishi, Fujitsu, Siemens, and Delta remain highly preferred due to their advanced technology and reliability.
According to sales data from 2008 and 2009, general-purpose machine tools, especially those with complex functions like lathes, were performing well. Composite and large-scale heavy-duty machine tools showed even better results. These machines require a wide processing range, and their components must operate at consistent speeds, further demanding advanced inverter capabilities. Domestic manufacturers should take this opportunity to strengthen their position in the machine tool market.
The continuous development of inverter technology has made its integration into the machine tool industry inevitable.
Looking ahead, the trend in machine tool inverters includes:
First, improved performance. Most modern inverters now use vector control methods, with only a few exceptions using more advanced control structures and algorithms. Notably, sensorless vector control (SVC) is gaining momentum. This technology offers cost-effective yet high-performance solutions, making it a popular choice for general-purpose inverters.
Second, easier control. User demands are shifting towards more user-friendly field devices, with software incorporating additional settings to simplify operations and reduce the complexity of system setup.
Third, increased modularization and intelligence. As machine tools become more sophisticated, there's a growing need for inverters that can integrate seamlessly and offer smart functionalities.
With these trends shaping the future, it's clear that the inverter industry will play an even more critical role in the advancement of machine tool technology.
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