| 摘要 |
PROBLEM TO BE SOLVED: To provide a chattering vibration preventing jig for a workpiece, which can prevent the chattering vibration of the workpiece easily and reliably.SOLUTION: A workpiece chattering vibration preventing jig 1 comprises: an expansion body 10 expansible in the axial direction; a first adsorbent 20 and a second adsorbent 30 disposed at the two axial ends of the expansion body 10; and a fixing portion 40 for fixing the expansions of the expansion body 10. The first absorbent 20 includes a magnet body, and changeover means 22 for changing the magnetic force of the magnet body in a suction part 21.SELECTED DRAWING: Figure 1 |
