| 摘要 |
PROBLEM TO BE SOLVED: To provide a main shaft device capable of more reliably suppressing chattering vibration.SOLUTION: A main shaft device comprises: a main shaft table 10; a main shaft 20 rotatably supported relative to the main shaft table 10; a rotary tool 40 supported by the main shaft 20; and an adjustment mechanism 50 for adjusting dynamic rigidity of the main shaft 20 relative to the main shaft table 10 according to dynamic rigidity of the rotary tool 40 itself. |
