Originally posted on 2019年12月14日 @ 上午10:10

标记示例:
圆头普通平键(A型) b=16mm、h=10mm、L=100mm 标记: 键 16×100 GB/T 1096-1979
同尺寸(B型)、(C型) 标记: 键 B16×100 GB/T 1096-1979、标记: 键 C16×100 GB/T 1096-1979
b | h | C或r | ||||
公称尺寸 |
极限偏差 (h9) |
公称尺寸 |
极限偏差 (h11) |
|||
2 |
0 -0.025 |
2 |
![]() ![]() |
0.16~0.25 | ||
3 | 3 | |||||
4 |
0 -0.030 |
4 |
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|||
5 | 5 | 0.25~0.40 | ||||
6 | 6 | |||||
8 |
0 -0.036 |
7 |
0 -0.09 |
|||
10 | 8 | 0.40~0.60 | ||||
12 |
0 -0.043 |
8 | ||||
14 | 9 | |||||
16 | 10 | |||||
18 | 11 |
0 -0.11 |
||||
20 |
0 -0.052 |
12 | 0.60~0.80 | |||
22 | 14 | |||||
25 |
0 -0.052 |
14 |
0 -0.11 |
0.60~0.80 | ||
28 | 16 | |||||
32 |
0 -0.062 |
18 | ||||
36 | 20 |
0 -0.130 |
1.0~1.2 | |||
40 | 22 | |||||
45 | 25 | |||||
50 | 28 | |||||
56 |
0 -0.074 |
32 |
0 -0.160 |
1.6~2.0 | ||
63 | 32 | |||||
70 | 36 | |||||
80 | 40 | 2.5~3.0 | ||||
90 |
0 -0.087 |
45 | ||||
100 | 50 |
注: 键长L系列:6,8,10,12,14,16,18,20,22,25,28,32,36,40,45,50,56,63,70,80,90,100,110,125,140,160,180,200,220, 250,280,320, 360,400,500,公差带为h14
①括号内的数值(相应h9)适用于B型键