... 9,8810cos.250.5 ,3 cos.2.0 3 3 33 Zmr (mm) Lực vòng: P 9,1958 3, 63 124000 3 3 3 rM(N) P 5,17169,88152600 33 33 33 rM(N) Z 4110cos 39 cos 033 3 3Ztd(răng) 137 ,0 ... 5210cos50cos 033 33 33 Z(răng) 146,0 33 y 3, 36 137 ,0.5 ,3. 2724,0.9,1958 24,0. 3 3 33 3ymbPuu (N/ mm2) [ ]u +Tính cặp bánh răng 4-4 4: Z 45444 Z (răng); m = 3, 5; ... răng: 3- 3 3: Z 39 3 (răng); Z (50 33 răng); m = 3, 5 M 124 3 (Nm); M 6,15296,0.282,1.124 124 33 3hi (N m ) Bán kính vòng chia: r 3, 63 10cos.2 39 .5 ,3 cos.2.0 3 3Zm(mm)...