20250178097. Machine Tool Contr (CITIZEN WATCH ., .)
MACHINE TOOL AND CONTROL METHOD OF MACHINE TOOL
Abstract: a machine tool has a front spindle that rotatably holds a bar, a front spindle drive motor that rotationally drives the front spindle, an encoder that detects a rotation angle of the front spindle drive motor, a rotary guide bush that is installed on a guide bush support in front of the front spindle to support the bar extending from the front spindle while allowing the bar to rotate around a rotation axis and move in a rotation axis direction and rotate synchronously with the front spindle, a back spindle that is arranged opposite to the front spindle and rotatably holds the bar, a back spindle drive motor that rotationally drives the back spindle, and a controller that controls operations of the front spindle and the back spindle.
Inventor(s): Toshiyuki SUZUKI
CPC Classification: B23B25/06 (TURNING; BORING (arrangements for copying or controlling ))
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