各种同步带轮的计算公式??同步带轮的节圆直径计算：???? Dp=px z/n??Dp：节径Z :齿数n：圆周率同步带轮实际外圆直径计算:De= Dp-2 6 ???Dp：节径6 :节顶距同步带轮中心距及同步带节线长计算L'C?2C + 1.57(Dp+dp)+近似皮带节线长两轴的中心距(Dp-dp)4CDp :大带轮的节径dp : 小带轮节径中心距的确定B= L - 1.57 （Dp + dp）L:皮带节线长HTD-8M1W］步带轮尺寸表（节距=8.00mn） ????单位（mm）觇格行数节径d外径do档边直径df档边内径db档边厚度h22-8M2256.0254.6561451.523-8M2358.5757.264481.524-8M2461.1259.7568521.525-8M2563.6662.2975551.526-8M2666.2164.8475551.527-8M2768.7567.3875551.528-8M2871.369.9380601.530-8M3076.3975.0282641.532-8M3281.4980.1290701.534-8M3436.5885.2198781.536-8M3691.6790.398781.538-8M3896.7795.4106881.540-8M40101.86100.49108.5901.542-8M42106.95105.58115951.544-8M44112.05110.681231031.546-8M46117.14115.771231031.548-8M48122.23120.861311111.550-8M50127.32125.951381181.564-8M64162.97161.672-8M72183.35181.9880-8M80203.72202.3590-8M90229.18227.81112-8M112285.21283.84。