CNC Inverter

CNC inverters are specifically engineered for controlling spindles and axes of machine tools and play a critical role in machining accuracy, surface quality and production productivity. Spindle inverters typically generate very high frequencies (up to several kilohertz) for spindle motors running at tens of thousands of revolutions per minute, while axis inverters provide precise position control with encoder or linear-scale feedback. Specialized diagnostics cover the high-frequency switching power stage, cooling system (heatsink, fan or liquid cooling), position and speed feedback circuits, control software and the interface with the CNC controller (such as Fanuc, Siemens or Heidenhain). Professional repairs include replacement of power modules and gate drivers with exact parameter matching, elimination of electromagnetic noise issues, recalibration of motor and spindle parameters, software updates and accuracy testing of position and speed under real machining conditions. These services ensure that the CNC machine recovers its required precision and repeatability after repair.