| 摘要 |
<p>A stable rotation speed is acquired by finely changing a rotation speed of a rotary shaft 3 based on an expected stable rotation speed, and calculating an amount of change of a k′number, and the like. Therefore, a more accurate rotation speed can be acquired, and“chatter vibration”generated during machining can be suppressed more effectively than a conventional method. As a result, a quality of a workpiece surface can be improved, and a tool wear and the like can be suppressed.</p> |
