链轮的计算及画法

节距滚子直

径齿数分度圆直径齿根圆直径齿顶圆直径最大轮毂直径齿沟圆弧半径齿沟半角

（°）工作段圆弧半径工作段圆弧中心角（°）

齿形半角P

d r Z D f Di D

e D H r1a/2r2M T βr/29.525 6.351030.8224.4734.4616.47 3.2449.008.32-14.70 1.5312.4010.609.525 6.352060.8954.5465.2846.54 3.2452.008.3230.04-0.8315.2013.8012.78.511873.1464.6378.8954.63 4.3351.6711.1336.04 1.1514.8913.4412.78.5126105.3796.86111.4686.86 4.3352.6911.1334.53-5.1415.8514.5415.87515.87525126.67#####134.2498.798.0352.6020.7345.74-8.7815.7614.4415.87516.87520101.4884.61108.8172.618.5352.0022.0350.06-2.2015.2013.8019.0519.05

25152.00#####161.09118.959.6252.6024.8654.89-10.5415.7614.4419.0519.0527164.10#####173.28131.059.62

52.7824.8648.29-12.3215.9314.635/8"

3/4"1/2"(A

型）

链轮的计算公式及画法（齿数根据速比进行填

工作段圆弧中心O2的坐标3/8"

俗称