|
名称 |
符号 |
关系 |
|
模量 |
m |
- |
|
压力角 |
α |
α = 30 o |
|
节距圆的直径 |
d |
d = m N |
|
轴齿高度 |
h |
h min = h a + h fmin |
|
中心置于齿侧时的轴齿高 中心置于外侧时的轴齿高 |
h a |
h a = 0.45mm h a = 0.55m |
|
轴齿高度 |
h |
h min = h a + h fmin |
|
轮毂齿根高： 平底槽 圆底槽 |
H f |
H fmin = 0.55m H fmin = 0.65m H f = 0.77m |
|
齿过渡曲线的半径 |
ρ r |
ρ rmin = 0.15m |
|
节距圆上的额定槽宽 |
e |
e = π / 2m + 2xm tg α |
|
轮毂齿根直径：平底槽 圆底槽 |
D f |
D f = D D fmin = D + 0.44m |
|
基本轮廓位移 |
x m |
x m = 1/2 (D-m N - 1.1m) |
|
轴齿根直径：平底槽 圆底槽 |
d f |
d fmax = D - 2.2m d fmax = D - 2.76m |
|
轴外径：中心置于齿侧 中心置于外侧 |
d a |
d a = D - 0.2m d a = D |
|
轮毂齿倒角或圆角直径 |
K |
K = 0.15m |
|
螺距 |
p |
p = π m |
|
齿数 |
N |
- |
|
基本直径 |
d b |
d b = m N cos α |
|
轮毂齿高 |
H |
H = H a + H f |
|
齿顶 |
H a |
H a = 0.45m |
|
轴齿顶到 平底槽 圆底槽 |
h f |
h fmin = 0.55m h fmin = 0.65m h f = 0.83m |
|
齿的轴节距宽 |
s |
s = π / 2m + 2xm tg α |
|
开键公称直径 |
D |
D = m N + 2xm +1.1m |
|
轮毂外径 |
D a |
Da = D - 2m |
|
径向间隙 |
c |
c min = 0.1m |
|
轮毂齿侧极限点的圆直径 |
D 1 |
D 1imin = d a + F T |
|
轴齿侧极限点的圆直径 |
d 1 |
d 1imax = D a + F T |
|
开键直径 |
D d |
- |