技术支持
您当前的位置:技术展示
一、同步带轮节距公差
外 径 | 允许偏差 | |
任意两相邻齿间 | 90o弧内允差 | |
≤25.40 | 0.03 | 0.05 |
>25.40~50.80 | 0.03 | 0.08 |
>50.80~101.60 | 0.03 | 0.1 |
>101.60~177.80 | 0.03 | 0.13 |
>177.80~304.80 | 0.03 | 0.15 |
>304.80~508.00 | 0.03 | 0.18 |
>508.00 | 0.03 | 0.2 |
带轮外径 | 公差 |
≤25.40 | +0.05/0 |
≤25.40~50.80 | +0.08/0 |
≤50.80~101.60 | +0.1/0 |
≤101.60~177.80 | +0.13/0 |
≤177.80~304.80 | +0.15/0 |
≤304.80~508.00 | +0.18/0 |
>508.00 | +0.2/0 |
带轮端面允许跳动量公差(单位:MM)表2 | |
带轮外径 | 允许跳动量 |
≤101.60 | 0.1 |
>101.60~254.00 | 带轮外径x0.001 |
>254.00 | 0.25+[(带轮外径-254.00)x0.005] |
四、同步带轮直边齿形尺寸和公差
|
|
五、圆弧同步带齿轮型尺寸
型号 type |
节 距 pb |
齿高 ht |
底圆半径 R |
齿槽宽 S |
齿顶圆 半径r |
齿形角 angle |
3M | 3 | 1.28 | 0.91 | 1.9 | 0.3 | ≈14° |
5M | 5 | 2.16 | 1.56 | 3.25 | 0.48 | ≈14° |
8M | 8 | 3.54 | 2.57 | 5.35 | 0.8 | ≈14° |
14M | 14 | 6.2 | 4.65 | 9.8 | 1.4 | ≈14° |
六、T型同步带轮齿型尺寸
齿距代号 | 形状 | 形状 | Y | br | rt | 2a | ||||||
SE | N | SE | N | Grad | ||||||||
br | br | hg | hg | |||||||||
上下偏差 | 上下偏差 | 上下偏差 | mix | ±.15° | max | 上下偏差 | ||||||
T2.5 | 1.75 | +0.05 | 1.83 | +0.05 | 0.75 | +0.05 | 1 | 25 | 0.2 | 0.3 | +0.05 | 0.6 |
0 | 0 | 0 | 0 | |||||||||
T5 | 2.96 | +0.05 | 3.32 | +0.05 | 1.25 | +0.05 | 1.95 | 25 | 0.4 | 0.6 | +0.05 | 1 |
0 | 0 | 0 | 0 | |||||||||
T10 | 6.02 | +0.1 | 6.57 | +0.1 | 2.6 | +0.1 | 3.4 | 25 | 0.6 | 0.8 | +0.1 | 2 |
0 | 0 | 0 | 0 | |||||||||
T20 | 11.65 | +0.15 | 12.6 | +0.15 | 5.2 | +0.13 | 6 | 25 | 0.8 | 1.2 | +0.1 | 3 |
0 | 0 | 0 | 0 |
七、同步带轮径向允许跳动量(表3)
带轮径向允许跳动量(单位:MM)表3 | |
带轮外径 | 允许跳值 |
≤203.20 | 0.13 |
>203.20 | 0.13+[(带轮外径-203.20)x0.005] |
型号 | 同步带宽度 | 同步带轮齿面最小实际宽度 | |||
代号 | 带宽 | 两面挡边带轮 | 单面挡边带轮 | 无挡边带轮 | |
MXL | 12 | 3 | 4 | 5 | 6 |
19 | 4.8 | 5.8 | 6.8 | 7.8 | |
25 | 6.4 | 7.5 | 8.5 | 9.5 | |
XL | 25 | 6.4 | 7.5 | 8.5 | 9.5 |
31 | 7.9 | 9 | 10 | 11 | |
37 | 9.5 | 11 | 12 | 13 | |
L | 50 | 12.7 | 14 | 15.5 | 17 |
75 | 19.1 | 21 | 22 | 24 | |
100 | 25.4 | 27 | 28.5 | 30 | |
H | 75 | 19.1 | 21 | 23 | 25 |
100 | 25.4 | 27 | 29 | 31 | |
150 | 38.1 | 40 | 42 | 44 | |
200 | 50.8 | 53 | 55 | 58 | |
XH | 200 | 50.8 | 57 | 60 | 63 |
300 | 76.2 | 84 | 87 | 90 | |
400 | 101.6 | 111 | 114 | 117 | |
XXH | 200 | 50.8 | 57 | 61 | 64 |
300 | 76.2 | 84 | 88 | 92 | |
400 | 101.6 | 111 | 115 | 118 | |
500 | 127 | 138 | 142 | 145 | |
T2.5 | 4 | 4 | 6 | 7 | 8 |
6 | 6 | 8 | 9 | 10 | |
10 | 10 | 12 | 13 | 14 | |
T5 AT5 | 6 | 6 | 8 | 9 | 11 |
10 | 10 | 12 | 13 | 15 | |
16 | 16 | 18 | 20 | 22 | |
25 | 25 | 27 | 29 | 31 | |
T10 AT10 | 16 | 16 | 18 | 22 | 24 |
25 | 25 | 27 | 30 | 33 | |
32 | 32 | 34 | 37 | 40 | |
50 | 50 | 53 | 56 | 59 | |
T20 AT20 | 32 | 32 | 35 | 38 | 40 |
50 | 50 | 53 | 56 | 60 | |
75 | 75 | 78 | 81 | 85 | |
100 | 100 | 105 | 108 | 112 | |
3M S3M | 6 | 6 | 9 | 10 | 11 |
9 | 9 | 12 | 13 | 14 | |
15 | 15 | 18 | 19 | 20 | |
5M S4.5M S5M | 9 | 9 | 12 | 13 | 14 |
15 | 15 | 18 | 19 | 20 | |
25 | 25 | 28 | 29 | 30 | |
30 | 30 | 34 | 36 | 38 | |
8M S8M | 30 | 30 | 34 | 36 | 38 |
40 | 40 | 44 | 46 | 48 | |
50 | 50 | 54 | 56 | 58 | |
85 | 85 | 90 | 92 | 94 | |
14M S14M | 55 | 55 | 65 | 68 | 70 |
85 | 85 | 95 | 99 | 102 | |
115 | 115 | 126 | 130 | 133 | |
170 | 170 | 180 | 183 | 187 | |
20M | 70 | 70 | 80 | 84 | 89 |
85 | 85 | 96 | 100 | 104 | |
115 | 115 | 127 | 131 | 134 | |
170 | 170 | 182 | 185 | 190 | |
230 | 230 | 245 | 248 | 254 | |
290 | 290 | 295 | 300 | 310 | |
340 | 340 | 355 | 360 | 370 |