开口挡圈GB896—1986标准
开口挡圈的尺寸规格、质量见表4.5-67、表4.6-68。
表4.5-67 开口挡圈的尺寸规格（mm)
| 挡圈 |
沟槽（推荐） |
轴径 do |
| 公称直径d |
B |
S |
D≤ |
d2 |
m |
n≥ |
| 1.2 |
0.9 |
0.3 |
3 |
1.2 |
0.4 |
1 |
>1.5-2 |
| 1.5 |
1.2 |
0.4 |
4 |
1.5 |
0.5 |
>2-2.5 |
| 2 |
1.7 |
0.4 |
5 |
2 |
0.5 |
1.2 |
>2.5-3 |
| 2.5 |
2.2 |
0.4 |
6 |
2.5 |
0.5 |
>3-3.5 |
| 3 |
2.5 |
0.6 |
7 |
3 |
0.7 |
>3.5-4 |
| 3.5 |
3 |
0.6 |
8 |
3.5 |
0.7 |
1.5 |
>4-5 |
| 4 |
3.5 |
0.8 |
9 |
4 |
0.9 |
>5-6 |
| 5 |
4.5 |
0.8 |
10 |
5 |
0.9 |
>6-7 |
| 6 |
5.5 |
1 |
12 |
6 |
1.1 |
>7-9 |
| 8 |
7.5 |
1 |
16 |
8 |
1.1 |
1.8 |
>9-10 |
| 9 |
8 |
1 |
18 |
9 |
1.1 |
2 |
>10-13 |
| 12 |
10.5 |
1.2 |
24 |
12 |
1.3 |
2.5 |
>13-16 |
| 15 |
13 |
1.5 |
30 |
15 |
1.6 |
3 |
>16-20 |
表4.5-68 开口挡圈的质量(kg)
每1000件钢制品的大约质量
| 规格/mm |
1.2 |
1.5 |
2 |
2.5 |
3 |
3.5 |
4 |
5 |
6 |
8 |
9 |
12 |
15 |
| 质量 |
0.01 |
0.03 |
0.04 |
0.05 |
0.1 |
0.13 |
0.22 |
0.25 |
0.43 |
0.76 |
0.95 |
2.09 |
3.9 |