直径D或d | t | r | R | B | f | b |
≤50 | 0.8 | 1 | 1 | - | - | - |
≤50 | 1 | 1.6 | 1.6 | - | - | - |
≤50 | 1.6 | 3 | 6 | 5 | 1.6 | 4 |
>50~120 | 2 | 4 | 10 | 8 | 2 | 6 |
>50~120 | 2.5 | 5 | 16 | 10 | 2 | 8 |
>50~120 | 3 | 6 | 20 | 12 | 2.5 | 10 |
>120 | 4 | 8 | 25 | 16 | 3 | 12 |
>120 | 5 | 10 | 32 | 20 | 3 | 16 |
>120 | 6 | 12 | 40 | 25 | 4 | 20 |
平面上用的机床导轨用的润滑槽形式与尺寸
B | α | t | 半圆形润滑槽的t | 半圆形润滑槽的r |
— | — | — | 1 | 1.6 |
— | — | — | 1.6 | 2.5 |
— | — | — | 2 | 4 |
4 | 15 | 3 | — | — |
6 | 15 | 3 | — | — |
10 | 30 | 4 | — | — |
12 | 30 | 4 | — | — |
16 | 45 | 5 | — | — |
注:推力轴承润滑槽形式图下箭头说明运动方向为单向或双向。标准中未注明尺寸的棱边,按小于0.5mm倒圆。