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 | - |