| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a formation method for forming an accurate chatter stability limit diagram, the method which is capable of maximizing a setting range of machining conditions that allow machining without generating chatter vibration. <P>SOLUTION: Stiffness values and damping coefficients calculated while a tool 2 remains stationary are used to form a provisional chatter stability limit diagram. Chatter vibration during machining is measured by a vibration measurement device 4 while changing the rotational speed of a main spindle 1 in the vicinity of a prescribed peak of the provisional chatter stability limit diagram in order to detect the rotational speed of the main spindle that the frequency of the chatter vibration suddenly changes. The chatter stability limit diagram is formed by moving the position of the prescribed peak of the provisional chatter stability limit diagram to the rotational speed of the main spindle that the frequency of the chatter vibration suddenly changes. <P>COPYRIGHT: (C)2013,JPO&INPIT |
