| 摘要 |
PROBLEM TO BE SOLVED: To provide a direct acting guide unit which is a standard specification used in the wide range, can be simply formed for a crowning part, is relatively small in a crowning depth, and high in the precision and excellent in the durability. SOLUTION: In the direct acting guide unit, a crowning part 9 in a slowly curved surface shape, in which a rolling body is smoothly accessible to a load path 13, and the corner rounding part 10 in a curved surface at both ends of a track groove 7 are formed in a port opening 39 of the track groove 7 in a casing forming the load path 13. The border of the crowing part 9 and the corner rounding part 10 are continuously connected without a corner. COPYRIGHT: (C)2006,JPO&NCIPI
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