机械设计课程设计中设计高速齿轮所用公式列表(濮良贵版机械设计第九版)

*2212arccos[cos /(2cos )]at an z z h α=α+β= ''1122[(tan tan )(tan )]/2at t a t z z πα=α-α+α-α=ε 1tan /d z πβ=β=εΦ

Z ==ε

1t d ≥= 11

601000t d n v π==⨯

1d t b d ==Φ

H A V H H K K K K K αβ==

11t d d == 11cos /n m d z =β=

nt m ≥arctan(tan cos )b t β=βα=

2/cos v b αα=β=εε

0.250.75/v Y α=+=εε

1120Y βββ=-=°

ε 311/cos v z z =β=

322/cos v z z =β=

111

[]Fa sa F Y Y =σ 222

[]Fa sa F Y Y =σ

nt m ≥= 11/cos nt d m z =β= 11

601000d n v π==⨯ 1d b d ==Φ

**(2)an n nt h h c m =+= /b h =

F A V F F K K K K K αβ==

n nt m m == 12()2cos n z z m a +==β 12()arccos 2n z z m a

+β== 11cos n m z d ==β 22cos n m z d ==β 1d b d ==Φ

H H E Z Z Z β=

=εσ

212223

212cos F Fa sa F d n K T Y Y Y Y m z β

β==εσΦ