DB、DC型减速器包括DBY二级硬齿面；DCY三级硬齿面；DBZ二级中硬齿面；DCZ三级中硬齿面；DBYK二级硬齿面空心轴式和DCYK三级硬齿面空心轴式六个系列减速器。高速级为弧齿锥齿轮，中低速级为圆柱齿轮。这种减速器具有承载能力大、传动效率高、噪声低、体积小、寿命长的特点，用于输入轴与输出轴呈垂直方向布置的传动装置，如带式输送机及各种运输机械，也可用于煤炭、冶金、矿山、化工、建材、轻工和石油等各种通用机械的传动中。其工作条件为：
1、 齿轮圆周速度≤20m/s；
2、 输入轴转速≤1500r/min；
3、 工作温度为-40～45℃，当环境温度＜0℃时，启动前润滑油应加热到10℃。
标记示例 |
 |
|
公称中心距a/mm |
公称传动比i |
|
8 |
10 |
11.2 |
12.5 |
14 |
|
160 |
7.752 |
9.593 |
10.905 |
12.265 |
13.943 |
|
180 |
7.811 |
9.743 |
11.100 |
12.458 |
14.192 |
|
200 |
8.041 |
10.267 |
11.119 |
12.781 |
13.842 |
|
224 |
7.841 |
10.267 |
11.273 |
12.781 |
14.035 |
|
250 |
8.028 |
10.251 |
11.101 |
12.698 |
13.752 |
|
280 |
7.818 |
9.888 |
11.256 |
12.248 |
13.943 |
|
315 |
7.950 |
10.244 |
11.050 |
12.690 |
13.688 |
|
355 |
7.829 |
9.991 |
11.242 |
12.377 |
13.926 |
|
400 |
7.820 |
10.238 |
11.368 |
12.635 |
14.029 |
|
450 |
7.820 |
10.238 |
11.242 |
12.635 |
13.874 |
|
500 |
7.812 |
10.025 |
11.327 |
12.635 |
14.276 |
|
560 |
8.010 |
9.757 |
11.008 |
12.297 |
13.874 | |
| |
|
公称中心距a/mm |
公称传动比i |
|
16 |
18 |
20 |
22.4 |
25 |
28 |
31.5 |
35.5 |
40 |
45 |
50 |
|
160 |
15.450 |
17.602 |
20.260 |
23.071 |
25.011 |
29.053 |
31.495 |
35.757 |
38.763 |
45.814 |
49.665 |
|
180 |
15.882 |
17.962 |
20.382 |
22.820 |
26.168 |
28.737 |
32.952 |
35.442 |
40.641 |
45.316 |
51.963 |
|
200 |
16.323 |
17.643 |
19.935 |
22.431 |
25.242 |
28.247 |
31.786 |
34.838 |
39.202 |
44.543 |
50.124 |
|
224 |
15.673 |
17.847 |
19.393 |
22.094 |
25.117 |
27.427 |
31.180 |
33.827 |
38.455 |
43.250 |
49.169 |
|
250 |
16.193 |
18.130 |
20.198 |
22.728 |
25.893 |
28.214 |
32.143 |
34.798 |
39.643 |
44.492 |
50.687 |
|
280 |
15.805 |
17.785 |
20.181 |
22.852 |
24.748 |
28.368 |
30.722 |
35.933 |
38.915 |
44.735 |
48.447 |
|
315 |
15.673 |
17.855 |
20.520 |
23.024 |
25.282 |
28.582 |
31.384 |
36.204 |
39.753 |
45.071 |
49.490 |
|
355 |
15.906 |
17.898 |
20.309 |
23.138 |
25.057 |
27.867 |
30.179 |
36.147 |
39.147 |
44.778 |
48.493 |
|
400 |
15.490 |
17.540 |
19.590 |
22.318 |
25.406 |
26.880 |
30.600 |
34.867 |
39.692 |
43.192 |
49.169 |
|
450 |
15.750 |
17.672 |
20.296 |
23.123 |
24.941 |
27.849 |
30.039 |
36.124 |
38.964 |
44.749 |
48.267 |
|
500 |
15.825 |
18.029 |
20.195 |
22.383 |
25.185 |
26.959 |
30.333 |
34.969 |
39.346 |
43.318 |
48.741 |
|
560 |
15.688 |
17.873 |
20.540 |
22.201 |
24.652 |
27.693 |
30.750 |
35.834 |
39.789 |
44.221 |
49.103 |
|
630 |
15.412 |
17.559 |
20.179 |
22.990 |
25.244 |
27.901 |
30.637 |
36.103 |
39.643 |
44.554 |
48.922 |
|
710 |
15.724 |
17.428 |
20.179 |
22.647 |
25.588 |
27.485 |
31.054 |
34.823 |
39.346 |
43.889 |
49.589 |
|
800 |
16.123 |
17.428 |
19.641 |
22.376 |
25.244 |
27.156 |
30.637 |
34.407 |
38.817 |
43.364 |
48.922 | |
