ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,436,523, issued on Oct. 7, was assigned to FANUC Corp. (Yamanashi, Japan).
"Control device for machine tool" was invented by Kouki Oikawa (Yamanashi, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a control device for a machine tool capable of reducing adverse effects due to rapid changes in periodic fluctuations in the rotation speed of a main spindle while maintaining an effect of suppressing regenerative self-excited chatter vibration. This control device for a machine tool includes a fluctuation command calculation unit configured to calculate a fluctuation command based on a speed command for a main spindle motor of the machine too...