例：
1.00
24
4
αfn =12°
θ=90°β
f1=
β
f2=16.5
伸缩式雨棚°
法向模数m n m n =t fn /π=m s *cos βf m n =端面模数m s m s =m n /cos βf =t fs /πm s =z 1=z 2=
法向分度圆压力角αfn tg αfn =tg αfs cos βf αfn =°端面分度圆压力角αfs tg αfs =tg αfn /cos βf αfs =°βf1=°βf2=°基圆螺旋角 β0tg β0=tg βf *cos αfs sin β0=sin βf cos αfn
β0=°
d f1=d f2=
D e1=D e2=D i1=D i2=r 01=r 02=法向基节t jn t jn =m n *π*cos αfn t jn =端面基节t js t js =m s *π*cos αfs
t js =法向周节t fn t fn =π*m n t fn =端面周节t fs t fs =t fn /cos βf t fs =轴向齿距
t fc
t fc =π*m s /tg βf
=π*m n /sin βf
t fc =H=z*π*m s /tg βf =z*π*m n /sin βf H 1=H=z*π*m s
H 2=齿顶高h e h e =m n ×f n h e =齿根高h i h i =m n ×(f n +c n )
h i =齿高h h=h i +h e
h=
径向间隙c n m n m n ≤1 c n =h i -h e =0.35m n ＞1 c n =h i -h e =0.25
齿顶高系数f n f n =1 短齿f n =0.8f n =中心距A 0A 0=(±d fi +d f2)/2A 0=引用齿数z y z y =z/(cos 3βf )=C M *z z y1=分度圆弧齿厚S fn S fn =m n *(π/2±2tg αfn *ξn )S fn =分度圆弦齿厚
S'fn
S fn =m n*z y *sin(90°/z y)
S'fn1= 1.5707751361.910886825 1.23070582825.03077391
观测值Z2/TAN(βf2)*Ms=14.08374609
16.500000000按d f1、
d f =z×m n /cos βf 按已知β
3.14159265412.218745620.2815125弧度=双顶置凸轮轴
16.129478114
m n =z 1=z 2=名称代号公式
1
22.3307739111.2677840212.00000000012.499506978弧度= 1.63
1.042948913弧度=73.50000000013.50377369
弧度=0.209439510.218157552弧度=3.1988601236.874965650.2879793271.28281724
螺旋线导程H
265.472359513.106082570.35
3.27652064212.35
11.06134831齿数
z z=d f cos βf /m n r 0=d f *cos αfs /2
齿根圆直径
D i =d f -/+ 2m n ×（f n +c n ）
齿顶圆直径
D e De=d f ±2m n f n
分度圆直径
d f 分度圆螺旋角
βf cosβf =z×m n /d f
基圆半径r 027.0307739116.1696439111.5806687
19.557261
1
c n*m n =1.353.0729413171.569925092
27.22703495C M =1
0.35c n 取值c n 值由m
z y2=174.5961156
S'fn2=
分度圆弦齿高h f h f=R ey -m n*z y/2*cos(90°/z y)h f=
变位系数ξnξn=则
S fn=m n*(π/2±2tgαfn*ξn)
ξn=文字拼接
mn*π/2
气门绞刀(Sfn-mn*π/2)
环境模拟舱k斜齿轮跨测齿
数K 1.320127849
0.8ξn=0.767055788
=mn*π/2+mn*2*tgαfn*ξn
(Sfn-mn*π/2)/mn/2/tgαfn
1.570796327
0.561203673
注：凡有“±”或“+”符号的，上面符号用于外啮合齿轮，下面符号用于内啮合齿轮
1.570796327
px1q
中心距A=19.55726
53.76
1.2307058281.6648870270.739212816
蜗杆轴向模数与蜗轮端面模数相等
(d1+d2)/2=(q+z2)*m/2
蜗杆轴向齿距=πm
蜗杆直径系数=d1/m=z1/tanγ
按C n
0.644049565
0.62997554 0.82156885
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