问题
问答题
已知一米制蜗杆的分度圆直径d1为51mm,轴向齿距Px为9.425mm,齿形角为20°,导程角γ为10°,头数为3,用三针测量法测量,求量针直径dD和量针测量距M。
答案
参考答案:已知d1=51mm、P=9.425mm
dD=0.533P=0.533×9.425mm=5.024mm
M=d1+3.924dD-1.374P
=51+3.924×5.024mm-1.374×9.425mm
=57.764mm
[答] 量针直径dD为5.024mm,量针测量距M为57.764mm。