二级圆柱齿轮减速器(装配图)
60⨯1000
=
π⨯39. 563⨯960
60⨯1000
=1. 988m s
计算齿宽b
b =φd
d
1t
=1⨯39.563mm =39.563mm
计算齿宽与齿高之比b/h
模数齿高
1t ==m t
z
1
39.563
mm =1.884mm 21
h =2.25m t =2.25⨯1.884mm =4.24mm
b 39.563==9.331h 4.24
3. 计算载荷系数K
查表得使用系数K A =1.0;根据v =1. 988s 、由图得动载系数K V =1. 10 直齿轮K Hα=K F α=1;由表查的使用系数K A =1
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