UNI 1751 Standard Split lock washers 的尺寸
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单圈弹簧垫圈 - 普通系列
本标准规定了开口弹簧垫圈的尺寸和供货技术条件,该垫圈用作不高于5.8级右旋螺纹螺钉、螺母和螺栓的支撑元件。该应用的目的是防止螺纹连接因支撑面沉降或热膨胀而松动。
为此,用户必须仔细评估表 1 中规定的残余弹力值。
防旋松效果主要由垫圈端部(具有特殊的凿形)作用于相关支撑面而产生。
不建议在承受垂直于其轴线的力的螺纹连接中使用开口弹簧垫圈。
也应避免在特别频繁使用(例如在频繁振动的情况下)或受特定安全法规约束的连接中使用。
尺寸图和技术图
关键尺寸和技术参数
|
Dimensions in mm - source UNI 1751 |
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| Publication date: 01/1988 - Supersedes 12/1970 | ||||||||||||
|
Thread size
|
d1 |
d2 max
|
b nom
|
s1 nom | r | k | h1 |
≈ weight in Kg x 1000 pcs (ρ=7,85 kg/dm3)
|
||||
| Type A | Type B | |||||||||||
| max | min | min. | max. | min. | max. | |||||||
| M 2 | 2.1 | 2.4 | 4.4 | 0.9 | 0.5 | 0.1 | - | - | - | 1 | 1.2 |
0.033
|
| M 2.2 | 2.3 | 2.6 | 4.8 | 1 | 0.6 | 0.1 | - | - | - | 1.2 | 1.4 |
0.05
|
| M 2.5 | 2.6 | 2.9 | 5.1 | 1 | 0.6 | 0.1 | - | - | - | 1.2 | 1.4 |
0.053
|
| M 3 | 3.1 | 3.4 | 6.2 | 1.3 | 0.8 | 0.2 | 0.15 | 1.9 | 2.1 | 1.6 | 1.9 |
0.11
|
| M 3.5 | 3.6 | 3.9 | 6.7 | 1.3 | 0.8 | 0.2 | 0.15 | 1.9 | 2.2 | 1.6 | 1.9 |
0.12
|
|
M 4
|
4.1
|
4.4 |
7.6
|
1.5
|
0.9 | 0.2 | 0.15 | 2.1 | 2.5 |
1.8
|
2.1 |
0.18
|
|
M 5
|
5.1
|
5.4 |
9.2
|
1.8
|
1.2 | 0.2 | 0.15 | 2.7 | 3.2 |
2.4
|
2.8 |
0.36
|
|
M 6
|
6.1
|
6.5 |
11.8
|
2.5
|
1.6 | 0.3 | 0.2 | 3.6 | 4.2 |
3.2
|
3.8 |
0.83
|
| M 7 | 7.1 | 7.5 | 12.8 | 2.5 | 1.6 | 03 | 0.2 | 3.6 | 4.2 | 3.8 | 3.8 |
0.93
|
|
M 8
|
8.1
|
8.6 |
14.8
|
3
|
2 | 0.5 | 0.3 | 4.6 | 5.4 |
4
|
4.7 |
1.6
|
|
M 10
|
10.2
|
10.7 |
18.1
|
3.5
|
2.2 | 0.5 | 0.3 | 5 | 5.9 |
4.4
|
5.2 |
2.53
|
|
M 12
|
12.2
|
12.7 |
21.1
|
4
|
2.5 | 1 | 0.4 | 5.8 | 6.8 |
5
|
5.9 |
3.82
|
|
M 14
|
14.2
|
14.7 |
24.1
|
4.5
|
3 | 1 | 0.4 | 6.8 | 8 |
6
|
7.1 |
6.01
|
|
M 16
|
16.2
|
17 |
27.4
|
5
|
3.5 | 1 | 0.4 | 7.8 | 9.2 |
7
|
8.3 |
8.91
|
|
M 18
|
18.2
|
19 |
29.4
|
5
|
3.5 | 1 | 0.4 | 7.8 | 9.2 |
7
|
8.3 |
9.73
|
|
M 20
|
20.2
|
21.2 |
33.6
|
6
|
4 | 1 | 0.4 | 8.8 | 10.4 |
8
|
9.4 |
15.2
|
|
M 22
|
22.5
|
23.5 |
35.9
|
6
|
4 | 1 | 0.4 | 8.8 | 10.4 |
8
|
9.4 |
16.5
|
|
M 24
|
24.5
|
25.5 |
40
|
7
|
5 | 1.6 | 0.5 | 11 | 13 |
10
|
11.8 |
26.2
|
|
M 27
|
27.5
|
28.5 |
43
|
7
|
5 | 1.6 | 0.5 | 11 | 13 |
10
|
11.8 |
28.7
|
|
M 30
|
30.5
|
31.7 |
48.2
|
8
|
6 | 1.6 | 0.8 | 13.6 | 16.1 |
12
|
14.2 |
44.3
|
|
M 33
|
33.5
|
34.7 |
55.2
|
10
|
6 | 1.6 | 0.8 | 13.6 | 16.1 |
12
|
14.2 |
67.3
|
|
M 36
|
36.5
|
37.7 |
58.2
|
10
|
6 | 1.6 | 0.8 | 13.6 | 16.1 |
12
|
14.2 |
71.7
|
|
M 39
|
39.5
|
40.7 |
61.2
|
10
|
6 | 1.6 | 0.8 | 13.6 | 16.1 |
12
|
14.2 |
111
|
|
M 42
|
42.5
|
43.7 |
68.2
|
12
|
7 | 2 | 0.8 | 15.6 | 18.4 |
14
|
16.5 |
117
|
| M 45 | 45.5 | 46.7 | 71.2 | 12 | 7 | 2 | 0.8 | 15.6 | 18.4 | 16.5 | 16.5 |
123
|
|
M 48
|
49
|
50.5 |
75
|
12
|
7 | 2 | 0.8 | 15.6 | 18.4 |
14
|
16.5 |
182
|
|
M 52
|
53
|
54.5 |
83
|
14
|
8 | 2 | 1 | 18 | 21.2 |
16
|
18.9 |
193
|
|
M 56
|
57
|
58.5 |
87
|
14
|
8 | 2 | 1 | 18 | 21.2 |
16
|
18.9 |
203
|
|
M 60
|
61
|
62.5 |
91
|
14
|
8 | 2 | 1 | 18 | 21.2 |
16
|
18.9 |
218
|
|
M 64
|
65
|
66.5 |
95
|
14
|
8 | 2 | 1 | 18 | 21.2 |
16
|
18.9 |
228
|
|
M 68
|
69
|
70.5 |
99
|
14
|
8 | 2 | 1 | 18 | 21.2 |
16
|
18.9 |
240
|
|
M 72
|
73
|
74.5 |
103
|
14
|
8 | 2 | 1 | 18 | 21.2 |
16
|
18.9 |
262
|
|
M 80
|
81
|
82.5 |
111
|
14
|
8 | 2 | 1 | 18 | 21.2 |
16
|
18.9 |
290
|
|
M 90
|
91
|
92.5 |
121
|
14
|
8 | 2 | 1 | 18 | 21.2 |
16
|
18.9 |
318
|
|
M 100
|
101
|
102.5 |
131
|
14
|
8 | 2 | 1 | 18 | 21.2 |
16
|
18.9 | |
|
Dimensions in mm-Split lock washers commercial type |
||||||
| Nominal size | Thread size | d | b | s | D |
≈ weight in Kg x 1000 pcs (ρ=7,85 kg/dm3)
|
|
3.2
|
M 3
|
3.2
|
1.2 | 0.7 | 5.6 | 0.10 |
|
4.3
|
M 4
|
4.3
|
1.4 | 0.8 | 7.1 | 0.172 |
|
5.3
|
M 5
|
5.3
|
1.7 | 1.1 | 8.7 | 0.335 |
|
6.4
|
M 6
|
6.4
|
2.3 | 1.4 | 11 | 0.68 |
|
7.4
|
M 7
|
7.4
|
2.3 | 1.4 | 12 | 0.70 |
|
8.4
|
M 8
|
8.4
|
2.8 | 1.8 | 14 | 1.27 |
|
10.5
|
M 10
|
10.5
|
3.3 | 2 | 17.1 | 2 |
|
12.5
|
M 12
|
12.5
|
3.7 | 2.2 | 19.9 | 3.13 |
|
15
|
M 14
|
15
|
4.2 | 2.7 | 23.4 | 5.16 |
|
17
|
M 16
|
17
|
4.7 | 3.2 | 26.4 | 7.38 |
|
19
|
M 18
|
19
|
4.7 | 3.2 | 28.4 | 8.1 |
|
21
|
M 20
|
21
|
5.6 | 3.6 | 32.2 | 11.9 |
|
23
|
M 22
|
23
|
5.6 | 3.6 | 34.2 | 12.6 |
|
25
|
M 24
|
25
|
6.6 | 4.6 | 38.2 | 20.2 |
|
28
|
M 27
|
28
|
6.6 | 4.6 | 41.2 | 23.1 |
|
Dimensions in mm-Split lock washers heavy type |
||||||
| nominal size | thread size | d | b | s |
D
|
≈ weight in Kg x 1000 pcs (ρ=7,85 kg/dm3) |
|
3.2
|
M 3
|
3.2
|
1.2 | 0.9 | 5.6 | 0.124 |
|
4.2
|
M 4
|
4.2
|
1.2 | 0.9 | 6.6 | 0.202 |
|
5.2
|
M 5
|
5.2
|
1.5 | 1.1 | 8.2 | 0.35 |
|
6.3
|
M 6
|
6.3
|
2.5 | 1.8 | 11.3 | 0.96 |
|
7.3
|
M 7
|
7.3
|
2.5 | 1.8 | 12.3 | 1.08 |
|
8.3
|
M 8
|
8.3
|
3 | 2.2 | 14.3 | 1.7 |
|
10.4
|
M 10
|
10.4
|
3.3 | 2.5 | 17 | 2.75 |
|
12.4
|
M 12
|
12.4
|
4 | 3 | 20.4 | 4.6 |
|
14.5
|
M 14
|
14.5
|
4.5 | 3.5 | 23.5 | 7.2 |
|
16.6
|
M 16
|
16.6
|
5.2 | 4 | 27 | 10.6 |
|
18.6
|
M 18
|
18.6
|
5.6 | 4.2 | 29.8 | 13.5 |
|
20.6
|
M 20
|
20.6
|
6 | 4.5 | 32.6 | 16.3 |
|
22.7
|
M 22
|
22.7
|
6.5 | 5 | 35.7 | 22 |
|
24.7
|
M 24
|
24.7
|
7 | 5.5 | 38.7 | 28 |