序号名称符号计算结果数值1数值2p=25.4/16*链号25.41631.750P度数Zsin(180/Z)d=p/sin(180/Z)31.750180120.258819045122.67d数值pdrda={(d+1.25p-dr)+[d+(1-1.6/Z)p-dr]}/2122.671.2531.7519.05137.22df=d-dr103.62cos(90/Z)102.570.991444861103.622034齿根圆直径df链轮计算公式表p节距值1链号最大齿根距计算区域dda2分度圆直径Lx齿顶圆直径注:表中红色字体为必填项,其余的均不用填写;蓝色字体的为计算结果。dr19.05d122.67奇数齿Lx=d[cos(90/Z)]-dr偶数齿Lx=df=d-dr5序号内容代号计算结果d1=mz80d数值da=d+2ha80284mz数值mda=mz+2m2402284d数值df=d-2hf80275mz数值mdf=mz-2.5m2402.5275数值d1a=1/2(d1+d2)0.580130数值mz1z2a=1/2m(z1+z2)0.524090130计算公式df4中心距ad2180齿轮(直齿轮)计算公式表3齿根圆直径40ha=m2hf2.50dda齿顶圆直径21分度圆直径z(z1,z2)m2