|
传动的最小法向侧隙jnmin值 μm |
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|
传动中心距a/mm |
侧隙种类 |
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|
h |
g |
f |
e |
d |
c |
b |
a |
|
|
≤30 |
0 |
9 |
13 |
21 |
33 |
52 |
84 |
130 |
|
＞30~50 |
0 |
11 |
16 |
25 |
39 |
62 |
100 |
160 |
|
＞50~80 |
0 |
13 |
19 |
30 |
46 |
74 |
120 |
190 |
|
＞80~120 |
0 |
15 |
22 |
35 |
54 |
87 |
140 |
220 |
|
＞120~180 |
0 |
18 |
25 |
40 |
63 |
100 |
160 |
250 |
|
＞180~250 |
0 |
20 |
29 |
46 |
72 |
115 |
185 |
290 |
|
＞250~315 |
0 |
23 |
32 |
52 |
81 |
130 |
210 |
320 |
|
＞315~400 |
0 |
25 |
36 |
57 |
89 |
140 |
230 |
360 |
|
＞400~500 |
0 |
27 |
40 |
63 |
97 |
155 |
250 |
400 |
|
＞500~630 |
0 |
30 |
44 |
70 |
110 |
175 |
280 |
440 |
|
＞630~800 |
0 |
35 |
50 |
80 |
125 |
200 |
320 |
500 |
|
＞800~1000 |
0 |
40 |
56 |
90 |
140 |
230 |
360 |
560 |
|
＞1000~1250 |
0 |
46 |
66 |
105 |
165 |
260 |
420 |
660 |
|
＞1250~1600 |
0 |
54 |
78 |
125 |
195 |
310 |
500 |
780 |
|
＞1600~2000 |
0 |
65 |
92 |
150 |
230 |
370 |
600 |
920 |
|
＞2000~2500 |
0 |
77 |
110 |
175 |
280 |
440 |
700 |
1100 |
|
注：传动的最小圆周侧隙jtmin≈jnmin/(cosγ'cosαn) 式中 γ'—蜗杆节圆柱导程角；αn—蜗杆法向齿形角。 |
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