圆螺母(GB/T 812—1988)
圆螺母(GB/T 812—1988)
GB/T 812圆螺母常与GB/T 858圆螺母用止动垫圈配合使用。装配时,先将垫圈内舌对准被安装的轴的键槽内并套入轴;再将螺母旋拧入轴(30°斜面端为拧入面)且锁紧;将垫圈任一外舌折弯并嵌入圆螺母的槽内。装配完成的螺母由于垫圈的驳接作用,不会再发生旋转,从而起到防松作用。
GB/T 812螺母与GB/T 858垫圈成对地用于机器的轴类零件上,用以防止轴向位移;以及用于装有滚动轴承的轴上,锁紧轴承内圈。圆螺母的装拆须用专用的钩形扳手。
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圆螺母(GB/T 812—1988) mm |
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D≤M100×2 槽数 4 D≥M105×2 槽数 6 |
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标记示例: 螺纹规格D=M16×1.5、材料为45钢、槽或全部热处理后硬度HRC35~45、表面氧化的圆螺母的标记: 螺母 GB 812 M16×1.5 |
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螺纹规格 D×P |
dk |
d1 |
m |
n |
t |
C |
C1 |
千件重(钢制) |
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|
max |
min |
max |
min |
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|
M10×1 |
22 |
16 |
8 |
4.3 |
4 |
2.6 |
2 |
0.5 |
0.5 |
16.82 |
|
M12×1.25 |
25 |
19 |
8 |
4.3 |
4 |
2.6 |
2 |
0.5 |
0.5 |
21.58 |
|
M14×1.5 |
28 |
20 |
8 |
4.3 |
4 |
2.6 |
2 |
0.5 |
0.5 |
26.82 |
|
M16×1.5 |
30 |
22 |
8 |
5.3 |
5 |
3.1 |
2.5 |
0.5 |
0.5 |
28.44 |
|
M18×1.5 |
32 |
24 |
8 |
5.3 |
5 |
3.1 |
2.5 |
0.5 |
0.5 |
31.19 |
|
M20×1.5 |
35 |
27 |
8 |
5.3 |
5 |
3.1 |
2.5 |
0.5 |
0.5 |
37.31 |
|
M22×1.5 |
38 |
30 |
10 |
5.3 |
5 |
3.1 |
2.5 |
1 |
0.5 |
54.91 |
|
M24×1.5 |
42 |
34 |
10 |
5.3 |
5 |
3.1 |
2.5 |
1 |
0.5 |
68.88 |
|
M25×1.51) |
42 |
34 |
10 |
5.3 |
5 |
3.1 |
2.5 |
1 |
0.5 |
65.88 |
|
M27×1.5 |
45 |
37 |
10 |
5.3 |
5 |
3.1 |
2.5 |
1 |
0.5 |
75.49 |
|
M30×1.5 |
48 |
40 |
10 |
5.3 |
5 |
3.1 |
2.5 |
1 |
0.5 |
82.11 |
|
M33×1.5 |
52 |
43 |
10 |
6.3 |
6 |
3.6 |
3 |
1 |
0.5 |
93.32 |
|
M35×1.51) |
52 |
43 |
10 |
6.3 |
6 |
3.6 |
3 |
1 |
0.5 |
84.99 |
|
M36×1.5 |
55 |
46 |
10 |
6.3 |
6 |
3.6 |
3 |
1.5 |
0.5 |
100.3 |
|
M39×1.5 |
58 |
49 |
10 |
6.3 |
6 |
3.6 |
3 |
1.5 |
0.5 |
107.3 |
|
M40×1.51) |
58 |
49 |
10 |
6.3 |
6 |
3.6 |
3 |
1.5 |
0.5 |
102.5 |
|
M42×1.5 |
62 |
53 |
10 |
6.3 |
6 |
3.6 |
3 |
1.5 |
0.5 |
121.8 |
|
M45×1.5 |
68 |
59 |
10 |
6.3 |
6 |
3.6 |
3 |
1.5 |
0.5 |
153.6 |
|
M48×1.5 |
72 |
61 |
12 |
8.36 |
8 |
4.25 |
3.5 |
1.5 |
0.5 |
201.2 |
|
M50×1.51) |
72 |
61 |
12 |
8.36 |
8 |
4.25 |
3.5 |
1.5 |
0.5 |
186.8 |
|
M52×1.5 |
78 |
67 |
12 |
8.36 |
8 |
4.25 |
3.5 |
1.5 |
0.5 |
238.0 |
|
M55×21) |
78 |
67 |
12 |
8.36 |
8 |
4.25 |
3.5 |
1.5 |
0.5 |
214.4 |
|
M56×2 |
85 |
74 |
12 |
8.36 |
8 |
4.25 |
3.5 |
1.5 |
1 |
290.1 |
|
M60×2 |
90 |
79 |
12 |
8.36 |
8 |
4.25 |
3.5 |
1.5 |
1 |
320.3 |
|
M64×2 |
95 |
84 |
12 |
8.36 |
8 |
4.25 |
3.5 |
1.5 |
1 |
351.9 |
|
M65×21) |
95 |
84 |
12 |
8.36 |
8 |
4.25 |
3.5 |
1.5 |
1 |
342.4 |
|
M68×2 |
100 |
88 |
12 |
10.36 |
10 |
4.75 |
4 |
1.5 |
1 |
380.2 |
|
M72×2 |
105 |
93 |
15 |
10.36 |
10 |
4.75 |
4 |
1.5 |
1 |
518.0 |
|
M75×21) |
105 |
93 |
15 |
10.36 |
10 |
4.75 |
4 |
1.5 |
1 |
477.5 |
|
M76×2 |
110 |
98 |
15 |
10.36 |
10 |
4.75 |
4 |
1.5 |
1 |
562.4 |
|
M80×2 |
115 |
103 |
15 |
10.36 |
10 |
4.75 |
4 |
1.5 |
1 |
608.4 |
|
M85×2 |
120 |
108 |
15 |
10.36 |
10 |
4.75 |
4 |
1.5 |
1 |
640.6 |
|
M90×2 |
125 |
112 |
18 |
12.43 |
12 |
5.75 |
5 |
1.5 |
1 |
796.1 |
|
M95×2 |
130 |
117 |
18 |
12.43 |
12 |
5.75 |
5 |
1.5 |
1 |
834.7 |
|
M100×2 |
135 |
122 |
18 |
12.43 |
12 |
5.75 |
5 |
1.5 |
1 |
873.3 |
|
M105×2 |
140 |
127 |
18 |
12.43 |
12 |
5.75 |
5 |
1.5 |
1 |
895.0 |
|
M110×2 |
150 |
135 |
18 |
14.43 |
14 |
6.75 |
6 |
1.5 |
1 |
1076 |
|
M115×2 |
155 |
140 |
22 |
14.43 |
14 |
6.75 |
6 |
1.5 |
1 |
1369 |
|
M120×2 |
160 |
145 |
22 |
14.43 |
14 |
6.75 |
6 |
1.5 |
1 |
1423 |
|
M125×2 |
165 |
150 |
22 |
14.43 |
14 |
6.75 |
6 |
1.5 |
1 |
1477 |
|
M130×2 |
170 |
155 |
22 |
14.43 |
14 |
6.75 |
6 |
1.5 |
1 |
1531 |
|
M140×2 |
180 |
165 |
26 |
14.43 |
14 |
6.75 |
6 |
1.5 |
1 |
1937 |
|
M150×2 |
200 |
180 |
26 |
16.43 |
16 |
7.9 |
7 |
1.5 |
1 |
2651 |
|
M160×3 |
210 |
190 |
26 |
16.43 |
16 |
7.9 |
7 |
2 |
1.5 |
2810 |
|
M170×3 |
220 |
200 |
26 |
16.43 |
16 |
7.9 |
7 |
2 |
1.5 |
2970 |
|
M180×3 |
230 |
210 |
30 |
16.43 |
16 |
7.9 |
7 |
2 |
1.5 |
3610 |
|
M190×3 |
240 |
220 |
30 |
16.43 |
16 |
7.9 |
7 |
2 |
1.5 |
3794 |
|
M200×3 |
250 |
230 |
30 |
16.43 |
16 |
7.9 |
7 |
2 |
1.5 |
3978 |
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注:1)仅用于滚动轴承锁紧装置。 |
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技术条件和引用标准
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技术条件和引用标准 |
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|---|---|---|
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材料 |
45钢(GB 699) |
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螺纹 |
公差 |
6H |
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标准 |
GB 196、GB 197 |
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|
垂直度 |
标准 |
GB 1184 |
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热处理及表面处理 |
①槽或全部热处理后HRC 35~45 ②调质HRC 24~30 ③氧化 |
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验收及包装 |
GB 90 |
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