| 摘要 |
PROBLEM TO BE SOLVED: To eliminate dispersion of sealing performance in each ball screw device, ensure stable seal performance, additionally ensure the good seal performance over a long period, while improvement of productivity is attained of the ball screw device, by making mounting of a seal accurately performable easily in the end face of a ball nut with no skilled work required. SOLUTION: In this mounting structure of a seal 7 mounted in the end face of a ball nut 6 in a ball screw device 1, the seal 7 is mounted axially movable and incapable of rotating in a peripheral direction relating to the end face of the ball nut. |
