名稱 |
符號 |
關係 |
模數 |
m |
- |
壓力角 |
α |
α = 30 o |
節距圓的直徑 |
d |
d = m N |
軸齒高度 |
h |
h min = h a + h fmin |
中心置於齒側時的軸齒高 中心置於外側時的軸齒高 |
h a |
h a = 0.45mm h a = 0.55m |
軸齒高度 |
h |
h min = h a + h fmin |
輪轂齒根: 平底槽 圓底槽 |
H f |
H fmin = 0.55m H fmin = 0.65m H f = 0.77m |
齒過渡曲線的半徑 |
ρ r |
ρ rmin = 0.15m |
節距圓上的額定槽寬 |
e |
e = π / 2m + 2xm tg α |
輪轂齒根直徑:平底槽 圓底槽 |
D f |
D f = D D fmin = D + 0.44m |
基本輪廓位移 |
x m |
x m = 1/2 (D-m N - 1.1m) |
軸齒根直徑:平底槽 圓底槽 |
d f |
d fmax = D - 2.2m d fmax = D - 2.76m |
軸外徑:中心置於齒側 中心置於外側 |
d a |
d a = D - 0.2m d a = D |
輪轂齒倒角或圓角直徑 |
K |
K = 0.15m |
節距 |
p |
p = π m |
齒數 |
N |
- |
基本直徑 |
d b |
d b = m N cos α |
輪軸齒高 |
H |
H = H a + H f |
齒頂 |
H a |
H a = 0.45m |
軸齒根 平底槽 圓底槽 |
h f |
h fmin = 0.55m h fmin = 0.65m h f = 0.83m |
齒的軸節距寬 |
s |
s = π / 2m + 2xm tg α |
栓槽標稱直徑 |
D |
D = m N + 2xm +1.1m |
輪軸的外部直徑 |
D a |
Da = D - 2m |
徑向間隙 |
c |
c min = 0.1m |
輪軸齒側極限點的圓直徑 |
D 1 |
D 1imin = d a + F T |
軸齒側極限點的圓直徑 |
d 1 |
d 1imax = D a + F T |
栓槽直徑 |
D d |
- |