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本帖最后由 submariner 于 2018-2-1 14:26 编辑
m=3.5,
z2=61,
z1=20,
a=150,
xn1=0.90556
xn2=0.0905
β=15°
b=40
综合起来,建议你用以上参数,齿宽也可以改成45,修形或装配调整效果会更好,接触和弯曲强度、最大滑动系数、齿顶厚、重叠系数、齿宽、中心距都能满足要求;
df1=70.058
或者
mn= 3
z2= 73
z1= 24
a'= 150
xn1= 0.46700228147325
xn2=-0.777258343784896
β= 15.4462608241261°
b= 40
df1=70.0
------- GEAR 1 -------- GEAR 2 --
Power (kW) [P] 75.000
Speed (1/min) [n] 1450.0 475.4
Torque (Nm) [T] 493.9 1506.5
Application factor [KA] 1.25
Required service life (h) [H] 20000.00
Center distance (mm) [a] 150.000
Normal module (mm) [mn] 3.5000
Pressure angle at normal section (°) [alfn] 20.0000
Helix angle at reference circle (°) [beta] 15.0000
Number of teeth [z] 20 61
Facewidth (mm) 40.00 40.00
Accuracy grade [Q-ISO 1328:1995] 6 6
Fatigue strength. tooth root stress (N/mm2) [σFlim] 430.00 430.00
Fatigue strength for Hertzian pressure (N/mm2) [σHlim] 1500.00 1500.00
Root safety 2.198 1.940
Flank safety 1.106 1.144
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