牙嵌离合器的尺寸(规格)应满足Tc=KT≤[T]条件。三角形齿、矩形齿和梯形齿牙嵌盘的结构如下图所示,其尺寸关系分别列于下表,供设计时参考选用。
α=30º、α=45º三角形齿牙嵌盘尺寸参考系列 /mm
D | D1 | D2 | l | a | L | L1 | r | f | d(H7) | b(H9) | t1(H12) | 许用转矩[τ]/N·m |
32 | 22 | 25 | 12 | 8 | 32 | 25 | 0.2 | 0.5 | 16 | 5 | 25 | |
40 | 28 | 30 | 15 | 10 | 40 | 30 | 0.3 | 20 | 6 | 2.3 | 45 | |
45 | 32 | 35 | 15 | 15 | 45 | 30 | 22 | 50 | ||||
55 | 40 | 44 | 20 | 55 | 40 | 28 | 8 | 3.3 | 130 | |||
60 | 45 | 48 | 22 | 16 | 60 | 45 | 1 | 30 | 160 | |||
65 | 50 | 55 | 23 | 18 | 64 | 50 | 32 | 10 | 180 | |||
75 | 55 | 60 | 28 | 74 | 55 | 38 | 200 | |||||
85 | 60 | 65 | 32 | 20 | 84 | 65 | 42 | 12 | 450 | |||
90 | 65 | 70 | 35 | 90 | 70 | 45 | 14 | 3.8 | 550 | |||
100 | 70 | 80 | 40 | 100 | 80 | 50 | 730 | |||||
110 | 80 | 90 | 45 | 110 | 90 | 55 | 16 | 4.3 | 970 | |||
120 | 90 | 95 | 50 | 120 | 95 | 60 | 18 | 4.4 | 1300 | |||
125 | 90 | 100 | 50 | 25 | 125 | 100 | 65 | 1700 | ||||
140 | 100 | 115 | 55 | 25 | 135 | 110 | 0.5 | 1.5 | 70 | 20 | 4.9 | 2200 |
145 | 120 | 125 | 60 | 145 | 115 | 75 | 2600 | |||||
160 | 120 | 135 | 65 | 155 | 120 | 2 | 80 | 22 | 5.4 | 300 | ||
180 | 140 | 145 | 70 | 30 | 170 | 130 | 90 | 25 | 4500 | |||
200 | 150 | 165 | 75 | 180 | 135 | 100 | 28 | 6.4 | 6100 |
注:1.表中许用转矩为双键轴所能承受的转矩、牙的强度足够。
2.牙嵌盘材料为45钢,40Cr或20Cr,牙部硬度48~62HRC。
矩形齿、梯形齿牙嵌盘尺寸参考系列 /mm
D | D1 | 牙数 z | D2 | l | a | 双向 L | 单向 L1 | r | f | 双键孔 | 花键孔 | 许用转矩 [τ]/N·m | |||||
d (H7) | b (H9) | i (H12) | N | dH (H7) | DH (H10) | bH (H9) | |||||||||||
40 | 28 | 5 | 30 | 15 | 10 | 40 | 30 | 0.5 | 0.5 | 20 | 6 | 2.3 | 6 | 18 | 22 | 5 | 77.1 |
50 | 35 | 38 | 20 | 12 | 50 | 38 | 0.8 | 25 | 8 | 3.2 | 21 | 25 | 4 | 120 | |||
60 | 45 | 7 | 48 | 22 | 16 | 60 | 45 | 1.0 | 1.0 | 32 | 10 | 3.3 | 8 | 28 | 34 | 7 | 246 |
70 | 50 | 54 | 28 | 70 | 50 | 35 | 32 | 38 | 6 | 375 | |||||||
80 | 60 | 60 | 30 | 20 | 80 | 60 | 1.2 | 40 | 12 | 36 | 42 | 7 | 437 | ||||
90 | 65 | 70 | 35 | 90 | 70 | 45 | 14 | 3.8 | 42 | 48 | 8 | 605 | |||||
100 | 75 | 80 | 40 | 100 | 80 | 50 | 16 | 3.8 | 46 | 54 | 9 | 644 | |||||
120 | 90 | 9 | 100 | 50 | 120 | 100 | 1.5 | 1.5 | 60 | 18 | 4.4 | 56 | 65 | 10 | 1700 | ||
140 | 100 | 115 | 55 | 25 | 140 | 110 | 70 | 20 | 4.9 | 62 | 72 | 12 | 2580 | ||||
160 | 120 | 11 | 135 | 65 | 160 | 120 | 80 | 22 | 5.4 | 72 | 82 | 12 | 3630 | ||||
180 | 130 | 150 | 75 | 180 | 130 | 90 | 25 | 10 | 82 | 92 | 12 | 5020 | |||||
200 | 150 | 160 | 85 | 200 | 140 | 100 | 28 | 6.4 | 5670 |
注:1.表中许用转矩是按低速运转时接合,按牙工作面压强条件计算得出的值,对于静止接合,许用转矩值可以乘以1.75倍。
2.牙嵌盘材料为45钢,硬度48~52HRC或20Cr,硬度58~62HRC。