| 摘要 |
PROBLEM TO BE SOLVED: To provide a ball screw having an oversize ball preload structure suitable for machine tool application. SOLUTION: A preload is set at 3% or less of a basic load rating in the ball screw having the oversize ball preload structure. Arrangement of a spacer having a recessed ball holding surfaces between balls is suitable for the machine tool application. COPYRIGHT: (C)2004,JPO
|
