机械设计课程设计 一级圆柱斜齿轮设计(只读)

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名称参考公式带轮计算Pca=KAPdv=(πdd1n0)/(60*1000)dd2=i带dd10.7(dd1+dd2)≦a0≦2(dd1+dd2)Pw=Fw*Vw/1000η带电机部分计算Ld0≈2a0+π/2*(dd1+dd2)+(((dd2-dd1)^2)/4a0)P3=P2η轴承η联轴器T0=9550*P0/n0T1=9550*P1/n1T2=9550*P2/n2T3=9550*P3/n3取KA值n1=n0/i带n2=n1/i齿n3=n2P0=Pdη联轴器P1=P0*η带η联轴器P2=P1η轴承ηn级齿轮η=η联轴器η带η联轴器η轴承ηn级齿轮η轴承η联轴器Pd=Pw/ηn=60/2π*2Vw/di总=n0/nn0归纳Lh=(Jahre*365+Schaltjahre)*ArbeitzeitN1=60*n1*j*LhN2=N1/i齿查KHN1、KHN2、取失效概率、安全系数Sαat1=arccos(Z2cosαt/(Z2+2han*cosβ))εα=[Z1(tanαt1-tanαt)+Z2(tantα2-tanαt)]/2πεβ=(Φd*Z1*tanβ)/πZε=((4-εα)/3*(1-εβ)+εβ/εα)1/2Zβ=(cosβ)1/2查σHlin1σHlim2amax=a+0.003Ldα1=180-(dd2-dd1)*57.3/a带轮计算齿轮材料选择Ld0≈2a0+π/2*(dd1+dd2)+(((dd2-dd1)^2)/4a0)a≈a0+(Ld-Ld0)/2amin=a-0.015Ld齿轮计算齿轮计算齿轮计算齿轮计算齿轮参数选择及初定按齿面接触疲劳强度设计取Φd、ZH、ZE值αt=arctan(tanαn/cosβ)αat1=arccos(Z1cosαt/(Z1+2han*cosβ))查P0、ΔP0、KαPr=(P0+ΔP0)KαKLZ=Pca/PrF0=500*(2.5-Kα)Pca/(Kα*Z*v)+qv2Fp=2ZF0sin(α1/2)Zv2=Z2/cos3β查取YFa1、YFa2、σFlim1、σFlim2、Ysa1、Ysa2、KFN1、KFN2、SF、KFt[σF]1=KFN1*σFlim1/S[σF]2=KFN2*σFlim2/SYFa1*Ysa1/[σF]1YFa2*Ysa2/[σF]2按齿根弯曲疲劳强度计算βb=arctan(tanβcosαt)εαv=εα/cos2βbYε=0.25+0.75/εαvYβ=1-εβ*β/120Zv1=Z1/cos3βKA*Ft1/b查KHα、kHα、KHβKH=KA*Kv*KHα*KHβ取KHt值d1=dt1(KH/KHt)^(1/3)mn=d1*cosβ/Z1[σH]=[σH]mind1t=(2KHT*T1/Φd*(i齿+1)/i齿*(ZH*ZE*Zε*Zβ/[σH])2)1/3v=(π*d1t*n1)/60/1000b=Φd*d1t根据工作载荷、动力来源等取KA值、Kv值Ft1=2*T1/d1t查KHN1、KHN2、取失效概率、安全系数S[σH]1=(KHN1*σHlim1)/S[σH]2=(KHN2*σHlim2)/S齿轮计算齿轮计算齿轮计算齿轮计算圆整中心距后的强度校核齿面接触疲劳强度取ZH、ZE值取a值β=arccos((Z1+Z2)*mn/2/a)d1=Z1*mn/cosβd2=Z2*mn/cosβb=Φd*d1取b1、b2值mn=mnt*(KF/KFt)1/3取mnZ1=d1(接触疲劳)*cosβ/mnZ2=i齿*Z1几何参数a=(Z1+Z2)*mn/2/cosβb/h取Kv值Ft1=2T1/d1KA*Ft1/b取KHα、KFα、KHβ、KFβ值KF=KA*Kv*KFα*KFβYFa*Ysa/[σF]=maxmnt≧(2KFt*T1*Yε*Yβ*cos2β/Φd/Z12*YFa*Ysa/[σF])1/3d1=mnt*Z1/cosβv=π*d1*n1/60/1000b=Φd*d1h=(2h*an+Cn*)mnt齿轮计算齿轮计算齿轮计算齿轮计算查取YFa1、YFa2、Ysa1、Ysa2、KFβ值h=(2h*an+Cn*)mnb/hKF=KA*Kv*KFα*KFβσF1=2*KF*T1*YFa1*Ysa1*Yε*Yβ*cos2β/(Φd*mn3*Z12)σF2=2*KF*T1*YFa2*Ysa2*Yε*Yβ*cos2β/(Φd*mn3*Z12)βb=arctan(tanβcosαt)εαv=εα/cos2βbYε=0.25+0.75/εαvYβ=1-εβ*β/120Zv1=Z1/cos3βZv2=Z2/cos3βF1=2*T/d1KA*F1/b取KHα、KFα、KHβ值KH=KA*Kv*KHα*KHβσH=(2*KH*T1/Φd/d13*(i+1)/i)1/2*ZH*ZE*ZεZβ齿根弯曲疲劳强度εα=[Z1(tanαat1-tanαt)+Z2(tantαat2-tanαt)]/2πεβ=(Φd*Z1*tanβ)/πZε=((4-εα)/3*(1-εβ)+εβ/εα)1/2Zβ=(cosβ)1/2b=Φd*d1v=π*d1*n1/60/1000αt=arctan(tanαn/cosβ)αat1=arccos(Z1cosαt/(Z1+2*h*an*cosβ))αat2=arccos(Z2cosαt/(Z2+2*h*an*cosβ))齿轮计算齿轮计算齿轮计算齿轮计算设计结论总设计误差齿轮计算齿轮计算齿轮计算齿轮计算Fw(N)Vw(m/s)η带1600.000000001.800000000.96000000η联轴器η带η联轴器0.990000000.960000000.99000000Pd(kw)3.56447011d(mm)n(r/min)300.00000000114.59155903n0(r/min)i总960.000000008.37758041n0(r/min)960.00000000n1(r/min)384.00000000n2(r/min)116.36363636n3(r/min)116.36363636P0(kw)3.52882541P1(kw)3.35379567P2(kw)3.22098536P3(kw)3.12500000T0(Nm)35.10446114T1(Nm)83.40819967T2(Nm)264.34727537T3(Nm)256.46972656工时(h)n0(r/min)载荷12.00000000960.00000000空载启动KA(表8-8)Pca(kw)带型(表8-11)1.100000003.92091713A型V带v(m/s)5.02654825dd2(mm)250.000000000.7(dd1+dd2)2(dd1+dd2)a0(mm)取值245.00000000700.00000000472.50000000Ld0(mm)Ld(mm)(表8-2)KL(表8-2)计算部分(请填写橙色部分,黄色部分为结果,绿色为结果判断比较填写(是则继续,否则需再改),紫色为比较参考值(供参考使用),蓝色部分为基本无需改动的值但要核对)检验是否在此范围(5,30)是取i带i齿1506.683476281550.000000000.98000000a(mm)494.15826186amin(mm)470.90826186amax(mm)540.65826186α1(°)所得值>120°?162.60678681是dd1(mm)n0(r/min)P0(kw)(表8-4)100.00000000960.000000000.95760000Pr(kw)1.00087384ZZ取整q(kg/m)(表8-3)3.917493854.000000000.10500000F0(N)160.34353584Fp(N)1268.00032915带型带基准长度(mm)带轮基准直径dd1(mm)A型V带1550.00000000100.00000000小齿轮材料小齿轮齿面硬度大齿轮材料40Cr280HBS45钢小齿轮齿数Z1大齿轮齿数Z2法向压力角αn(°)25.0000000083.0000000020.00000000取KHt值取han*值取Cn*值1.300000001.000000000.25000000Φd(表10-7)ZH(图10-20)ZE1.000000002.43300000189.80000000αt(rad)αt(°)0.3588694620.56170535αat1(rad)αat1(°)0.5179194529.67459839αat2(rad)αat2(°)0.4155275923.80797694εα1.64789962εβ1.98408921Zε0.65761090Zβ0.98503590σHlim1(MPa)(图10-25d)σHlim2(MPa)(图10-25d)600.00000000550.00000000总年数闰年数每天工作时间(h)10.000000002.0000000016.00000000齿轮转速n1(r/min)单齿面单周啮合次数jN1384.000000001.000000001346273280.00000000N2405504000.00000000KHN1(图10-23)KHN2(图10-23)失效概率0.940000001.050000000.01000000[σH]1(MPa)564.00000000[σH]2(MPa)577.50000000[σH](MPa)564.00000000d1t(mm)42.97634099v(m/s)0.86409061b(mm)42.97634099KA(表10-2)Kv(图10-8)1.000000001.05000000Ft1(N)3881.58683334dasResultat所得值<100?90.31915570是KHα(表10-3)KFα(表10-3)KHβ(表10-4)1.400000001.400000001.30940000KH1.92481800KHt1.30000000d1(mm)48.98294318mn(mm)1.90111762βb(rad)βb(°)0.2293373013.14005910εαv1.73770406Yε0.68160399Yβ0.76852293Zv127.36702905Zv290.85853644YFa1(图10-17)YFa2(图10-17)σFlim1(图10-24c)2.610000002.21000000500.00000000[σF]1(MPa)303.57142857[σF]2(MPa)238.85714286dasResultat0.01384221dasResultat0.01656178dasResultat0.01656178mnt(mm)1.41514882d1(mm)36.46179142v(m/s)0.73310781b(mm)36.46179142h(mm)3.18408483dasResultat11.45126255Kv1.03000000Ft1(N)4575.10157461dasResultat所得值>100?125.47659883是KHαKFαKHβ1.200000001.200000001.30810000KF1.58208000mn(mm)1.51088175标准化mn(mm)2.00000000Z1取整Z123.7639702225.00000000Z2取整Z2计算后传动比82.5000000082.000000003.28000000a(mm)110.27565834a(mm)110.00000000β(rad)β(°)β(°´)0.2340837613.4120116013°24′43.242″d1(mm)51.40186916d2(mm)168.59813084b(mm)51.40186916b1(mm)b2(mm)51.00000000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