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链轮的应用:被广泛应用于化工、纺织机械、食品加工、仪表仪器、石油等行业的机械传动等
链轮参数计算公式:
分度圆直径:d=p/sin180°/z p=节距可查表 z=齿数
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齿顶圆(外径):D=p×(0.54+cot180°/z)
常用链轮节距:
3/8=9.525 1/2=12.7 5/8=15.875 3/4=19.05
3分 4分 5分 6分
分度圆直径:d=p/sin(180°/z)
齿顶圆直径:dmax=d+1.25p-d1
dmin=d+(1-1.6/z)p-d1
齿根圆直径:df=d-d1
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