鏈輪的設計

滾子鏈條傳動,沒有性能優越的鏈條與鏈輪的話,就不能發揮完全的性能。最適於鏈條傳動鏈輪,其設計基準如下。
本公司的標準鏈輪以及定製的鏈輪,將以該基準設計。

基準尺寸

鏈輪的基準尺寸如下。(單位mm)


節距徑•外徑

節距徑,外徑,可利用左欄的計算方式求得。但是,相對於下表的鏈條節距為1時各齒,數之節距徑,直徑之值乘上鏈條節距的話,就可計算出節距徑,外徑。

〈使用例〉EPT100鏈條(節距31.75mm). 求齒數18T鏈輪之鏈條節距徑DP' 外徑Do來說明。

•節距徑  Dp=5.7588X節距31.75=182.8419=182.84
                        (小數點取2位,以下四捨五入)

•外徑   Dp=6.271X節距31.75=199.10125=199
                        (小數點取2位,以下四捨五入)

齒數
結圓直徑
DP
外徑
Do
齒數
結圓直徑
DP
外徑
Do

11
12
13
14
15

16
17
18
19
20

21
22
23
24
25

26
27
28
29
30

31
32
33
34
35

36
37
38
39
40

41
42
43
44
45

46
47
48
49
50

51
52
53
54
55

56
57
58
59
60

61
62
63
64
65

3.5495
3.8637
4.7186
4.4940
4.8097

5.1258
5.4422
5.7588
6.0755
6.3925

6.7095
7.0267
7.3439
7.6613
7.9787

8.2962
8.6138
8.9314
9.2491
9.5668

9.8845
10.2023
10.5201
10.8380
11.1558

11.4737
11.7916
12.1086
12.4275
12.7455

13.0635
13.3815
13.6995
14.0175
14.3356

14.6536
14.9717
15.2898
15.6079
15.9260

16.2441
16.5622
16.8803
17.1984
17.5166

17.8347
18.1529
18.4710
18.7892
19.1073

19.4255
29.7437
20.0618
20.3800
20.6982
4.006
4.332
4.657
4.981
5.305

5.627
5.950
6.271
6.593
6.914

7.235
7.555
7.876
8.196
8.516

8.836
9.156
9.475
9.795
10.114

10.434
10.753
11.072
11.392
11.711

12.030
12.349
12.668
12.987
13.306

13.625
13.944
14.263
14.582
14.901

15.219
15.538
15.857
16.176
16.495

16.813
17.132
17.451
17.769
18.088

18.407
18.725
19.044
19.363
19.681

20.000
20.318
20.637
20.955
21.274
66
67
68
69
70

71
72
73
74
75

76
77
78
79
80

81
82
83
84
85

86
87
88
89
90

91
92
93
94
95

96
97
98
99
100

101
102
103
104
105

106
107
108
109
110

111
112
113
114
115

116
117
118
119
120

21.0164
21.3349
21.6528
21.9710
22.2892

22.6074
22.9256
23.2438
23.5620
23.8802

24.1984
24.5167
24.8349
25.1531
25.4713

25.7896
26.1078
26.4261
26.7443
27.0625

27.3807
27.6990
28.0172
28.3355
28.6537

28.9720
29.2902
29.6085
29.9267
30.2449

30.5632
30.8815
31.1997
31.5180
31.8362

32.1545
32.4727
32.7910
33.1093
33.4275

33.7458
34.0641
34.3823
34.7006
35.0188

35.3371
35.6554
35.9737
36.2919
26.6102

36.9285
37.2467
37.5650
37.8833
38.2016

21.593
21.911
22.230
22.548
22.867

23.185
23.504
23.822
24.141
24.459

24.778
25.096
25.415
25.733
26.052

26.370
26.689
27.007
27.326
27.644

27.963
28.281
28.599
28.918
29.236

29.290
29.873
30.192
30.510
30.828

31.147
31.465
31.784
32.102
32.421

32.739
33.057
33.376
33.694
34.013

34.331
34.694
34.968
35.286
35.605

35.923
36.241
26.560
26.878
37.197

37.515
37.833
38.152
38.470
38.788


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