平键及键槽尺寸 | |||||||||||||||||
轴 | 键 | C或r | 键槽 | ||||||||||||||
公称尺寸 | b | h | l | 宽度b | 深度 | 半径R1 | |||||||||||
公称尺寸 | 极限偏差 | 公称尺寸 | 极限偏差 | 公称尺寸 |
公称 尺寸 |
极限偏差 | 轴t | 毂t1 | |||||||||
d | b | (h9) | h | (h11) | L(h14) | 轻松键联接 | 一般键联接 | 较紧键联接 |
公称 尺寸 |
极限 偏差 |
公称 尺寸 |
极限 偏差 |
|||||
b | 轴(h9) | 毂(D10) | 轴(N9) | 毂(Js9) | 轴/毂(P9) | ||||||||||||
自6~8 | 2 |
0 -0.025 |
2 |
0 -0.06 |
6~20 | 0.16~0.25 | 2 |
+0.025 0 |
+0.060 +0.020 |
-0.004 -0.029 |
±0.0125 |
-0.006 -0.031 |
1.2 |
+0.1 0 |
1.0 |
+0.1 0 |
0.08 ~ 0.16 |
>8~10 | 3 | 3 | 6~36 | 3 | 1.8 | 1.4 | |||||||||||
>10~12 | 4 |
0 -0.030 |
4 |
0 -0.075 |
8~45 | 4 |
+0.030 0 |
+0.078 +0.030 |
0 -0.030 |
±0.015 |
-0.012 -0.042 |
2.5 | 1.8 | ||||
>12~17 | 5 | 5 | 10~56 | 0.25~0.40 | 5 | 3.0 | 2.3 |
0.16 ~ 0.25 |
|||||||||
>17~22 | 6 | 6 | 14~70 | 6 | 3.5 | 2.8 | |||||||||||
>22~30 | 8 |
0 -0.036 |
7 |
0 -0.090 |
18~90 | 8 |
+0.036 0 |
+0.098 +0.040 |
0 -0.036 |
±0.018 |
-0.015 -0.051 |
4.0 |
+0.2 0 |
3.3 |
+0.2 0 |
||
>30~38 | 10 | 8 | 22~110 | 0.40~0.60 | 10 | 5.0 | 3.3 |
0.25 ~ 0.40 |
|||||||||
>38~44 | 12 |
0 -0.043 |
8 | 28~140 | 12 |
+0.043 0 |
+0.120 +0.050 |
0 -0.043 |
±0.0215 |
-0.018 -0.061 |
5.0 | 3.3 | |||||
>44~50 | 14 | 9 | 36~160 | 14 | 5.5 | 3.8 | |||||||||||
>50~58 | 16 | 10 | 45~180 | 16 | 6.0 | 4.3 | |||||||||||
>58~65 | 18 | 11 |
0 -0.110 |
50~200 | 18 | 7.0 | 4.4 | ||||||||||
>65~75 | 20 |
0 -0.052 |
12 | 56~220 | 0.60~0.80 | 20 |
+0.052 0 |
+0.149 +0.065 |
0 -0.052 |
±0.026 |
-0.022 -0.074 |
7.5 | 4.9 |
0.40 ~ 0.60 |
|||
>75~85 | 22 | 14 | 63~250 | 22 | 9.0 | 5.4 | |||||||||||
>85~95 | 25 | 14 | 70~280 | 25 | 9.0 | 5.4 | |||||||||||
>95~110 | 28 | 16 | 80~320 | 28 | 10.0 | 6.4 | |||||||||||
>110~130 | 32 |
0 -0.062 |
18 | 90~360 | 32 |
+0.062 0 |
+0.180 +0.080 |
0 -0.062 |
±0.031 |
-0.026 -0.088 |
11.0 | 7.4 | |||||
>130~150 | 36 | 20 |
0 -0.130 |
100~400 | 1.0~1.2 | 36 | 12.0 |
+0.3 0 |
8.4 |
+0.3 0 |
0.70 ~ 1.0 |
||||||
>150~170 | 40 | 22 | 100~400 | 40 | 13.0 | 9.4 | |||||||||||
>170~200 | 45 | 25 | 110~450 | 45 | 15.0 | 10.4 | |||||||||||
>200~230 | 50 | 28 | 125~500 | 50 | 17.0 | 11.4 | |||||||||||
>230~260 | 56 |
0 -0.074 |
32 |
0 -0.160 |
140~500 |
1.6 ~ 2.0 |
56 |
+0.074 0 |
+0.220 +0.100 |
0 -0.074 |
±0.037 |
-0.032 -0.106 |
20.0 | 12.4 |
1.2 ~ 1.6 |
||
>260~290 | 63 | 32 | 160~500 | 63 | 20.0 | 12.4 | |||||||||||
>290~330 | 70 | 36 | 180~500 | 70 | 22.0 | 14.4 | |||||||||||
>330~380 | 80 | 40 | 200~500 |
2.5 ~ 3.0 |
80 | 25.0 | 15.4 | ||||||||||
>380~440 | 90 |
0 -0.087 |
45 | 220~500 | 90 |
+0.087 0 |
+0.260 +0.120 |
-0 -0.087 |
±0.0435 |
-0.037 -0.124 |
28.0 | 17.4 |
2.0~ 2.5 |
||||
>440~500 | 100 | 50 | 250~500 | 100 | 31.0 | 19.5 |