名称 | 符号 | 联系 |
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 |
节距 | 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 | - |