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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