行星齿轮强度计算软件

C=0.8729rad危险截面齿厚sFnC/mn=1.50568sFnB/mn=2.06628齿根圆角参数qsC=1.32353qsB=6.8875930o切点处曲率半径ρFC=6.82574ρFB=1.8当量内齿轮齿根高hfpB=8.988刀具圆角半径ρfpB≈1.8(12相对齿根表面状况系数YRrelTB=1.014(13弯曲强度计算的尺寸系数YxC=0.93YxB=0.9583接触强度的计算安全系数SFC=2.88681SFB=1.97436接触强度的最小安全系数SFmin=1.6行星齿轮传动外啮合硬齿面直齿变位圆柱齿轮齿面硬度HRC56-60,心部硬度HRC30-42≈0.9σHlimA齿面硬度HRC56-60,心部硬度HRC30-42用于外啮合用于内啮合≈0.9σHlimC=0.7σFlim齿面硬度HB260-290用于内啮合≈0.9σHlimB=0.7σFlimr/min=nA/u'=TAKc/Csu'zA/Cs=c=Cs·c/u'c为整数=Cs·c-zA=(zB-zA)/2=zC/zA=nA/nC=zB/zC=nC/nB经圆整≥Aa(uAC+1)[KT1/(ψauACσ2HPA)]1/3≥Aa(uCB-1)[KTC/(ψauCBσ2HPC)]1/3=(TAKc/Cs)(zC/zA)1.2~2查表=ψd/[0.5(uAC+1)]=ψd/[0.5(uCB+1)]=0.5~0.7,硬齿面取小值,即ψd=0.5查表=2a/(zA+zC)=2a/(zB-zC)标准值标准值标准值0.25圆整=ψa·a=mzA=mzC=mzB=m(zC+zA)/2=m(zB-zC)/2=(a-a'AC)/m=(a-a'CB)/m=a'ACcosα/a=a'CBcosα/a=(zC+zA)(invα'AC-invα)/(2tanα)=(zB-zC)(invα'CB-invα)/(2tanα)