| 摘要 |
PROBLEM TO BE SOLVED: To provide a ball screw capable of effectively reducing vibration that becomes a cause of noises. SOLUTION: The amplitude of meandering in the spiral direction of a ball screw groove 14 of a nut 12 is set to be 0.01μmrms or less. Furthermore, crowning work is applied on the ball screw groove 14 of the nut 12. COPYRIGHT: (C)2005,JPO&NCIPI
|
