机械设计课程设计二级齿轮减速器数据计算软件

已知条件F(kn)1.9一、电动机的选择(1)电机类型和转速Y系列三相交流异步电机转速(r/min)1000(2)电机功率和型号工作机的有效功率(kw)Pw2.375弹性联轴器η10.99闭式齿轮（7级）η20.98电动机所需的功率(kw)Pd2.736081704工作机滚轮转速n(r/min)74.60387957总传动比12.86796351电机型号的确定Y132S-6额定功率(kw)3轴外伸长度E80轴外伸轴径D38二、传动比的分配总传动比12.86796351高速级传动比i14.090030875低速级传动比i23.146177596三、传动装置的运动和动力参数计算各轴的运动及动力参数计算轴号转速(r/min)功率转矩Ⅰ9602.70872088726.94612965Ⅱ234.71705452.628001004106.9262293Ⅲ74.603879572.549686574326.3839216Ⅳ74.603879572.498947811319.8888816齿轮的设计机械设计课程设计高速级（斜齿圆柱齿轮）精度等级7级材料45钢调质处理（大）40Cr（调质）（小）硬度240HBS280选小齿轮齿数z124大齿轮齿数z298.16074101初选螺旋角β140.244346095试选Kt1.6区域系数ZH2.433图10-30端面重合度εα10.78εα2εα1.62小齿轮转矩T126946.12965N.mm齿宽系数φd1表10-7弹性影响系数Ze189.8表10-6小接触疲劳强度600大接触疲劳强度小弯曲疲劳强度500大弯曲疲劳强度应力循环次数N12764800000应力循环次数N2675985117接触疲劳寿命系数0.911.02弯曲疲劳寿命系数0.850.88接触疲劳安全系数0.961弯曲疲劳安全系数1.41.4许用接触应力546许用接触应力528许用接触应力537许用弯曲应力303.5714286238.8571429小齿轮分度圆d1t36.58904582圆周速度v1.839166041m/s齿宽b36.589045821.479258116h3.328330761b/h10.993212051.902871318载荷系数K2.3217校正的分度圆直径d141.42346813计算模数mn1.67470892计算齿根弯曲强度计算载荷系数K2.207251.902871318螺旋角影响系数Yβ0.88图10-28计算当量齿轮Zv126.27234788设计计算公式：32HHEαd1112zzuuKTd][H][1limH][2limH1][H2][Hnm3FSaFaα21d21ncos2YYzYKTm][1limF][2limF1][F2][F计算当量齿轮Zv2108.373435齿形系数2.591829563应力校正系数2.173301252大小齿轮的比较0.0136294040.016347711设计计算mn1.220059343齿数Z120.09650705圆整27齿数Z2110.4308336111几何尺寸计算中心距a142.2246809143修正螺旋角β0.2652195915.19596313端面重合度εα10.78εα2εα1.672.072991099螺旋角影响系数Yβ0.835区域系数ZH2.37小齿轮分度圆直径d155.95652174大齿轮分度圆直径d2230.0434783齿宽55.95652174圆整55低速级齿轮设计（变位圆柱齿轮）低速级传动比i23.146177596小齿轮转速n1234.7170545输入功率2.628001004精度等级7级材料45钢调质处理（大）40Cr（调质）硬度240HBS280初选小齿轮齿数Z124大齿轮齿数z275.50826232齿面接触疲劳强度计算试选Kt1.3小齿轮转矩T1106926.2293齿宽系数φd1表10-7弹性影响系数Ze189.8表10-6小接触疲劳强度600大接触疲劳强度小弯曲疲劳强度500大弯曲疲劳强度应力循环次数N12764800000应力循环次数N2878780652.1接触疲劳寿命系数0.910.96弯曲疲劳寿命系数0.850.88接触疲劳安全系数11弯曲疲劳安全系数1.41.4许用接触应力546许用接触应力528许用弯曲应力303.5714286238.8571429由计算可知，齿面接触疲劳强度计算的法面模数大于齿根弯曲疲劳强度计算的法面模数mn=2mm，d1=41.421mm1FaY2FaY1SaY2SaY3211t][132.2HEdtZuuTKd][1limH][2limH][1limF][2limF1][H2][H1][F2][F小齿轮分度圆d1t66.61319516圆周速度v0.818659931m/s齿宽b66.613195162.775549798h6.244987046b/h10.66666667载荷系数K1.8676875校正的分度圆直径d175.16469256计算模数mn3.13186219计算齿根弯曲强度计算载荷系数K1.771875齿形系数2.62应力校正系数2.22大小齿轮的比较0.0137226350.016450837设计计算mn2.21192782齿数Z125.05489752圆整25齿数Z278.6544399180几何尺寸计算小齿轮分度圆直径d175大齿轮分度圆直径d2240齿宽7580中心距a157.5160变位后的压力角0.38973461522.33014857变位系数和0.65小齿轮变位系数0.48大齿轮变位系数0.17轴上的功率2.708720887转速(r/min)960齿轮上受到的力小齿轮分度圆直径d155.95652174963.1095292材料45调质dmin15.82640823选用弹性柱销联轴器KA1.3计算转矩TcaLT6半联轴器孔径d132初选轴承7209Cd45轴结构设计324045584519周向定位键连接10850载荷水平面垂直面由计算可知，齿面接触疲劳强度计算的法面模数大于齿根弯曲疲劳强度计算的法面模数mn=3mm，d1=75.16mm轴的设计1][F2][Ftm1FaY2FaY1SaY2SaY3][2FsaFa21d1YYZKTmtF支反力720.2107603242.8987689311.9361432弯矩6967.612604总弯矩扭矩计算应力1.73100776安全轴上的功率2.628001004转速(r/min)234.7170545齿轮上受到的力小齿轮分度圆直径d1752851.366114大齿轮受力963.1095292材料45调质dmin25.05599475初选轴承7210Cd50轴结构设计505581386280套筒D57d周向定位键b16h载荷支反力1716.0314172.2251852223.8596328弯矩93180.5050212365.76829-17933.90215总弯矩扭矩计算应力9.16347184安全60轴上的功率2.549686574转速(r/min)74.60387957齿轮上受到的力大齿轮分度圆直径d22402851.366114材料45调质dmin36.34626742初选轴承6212d60轴结构设计607082407212套筒D60d周向定位键载荷支反力919.09516881932.270946334.5232839弯矩总弯矩扭矩计算应力6.862099051安全6094890.62842106926.2293水平面垂直面326383.9216122699.205130573.766744658.858432985.6528226946.12965水平面垂直面33713.5123932987.52505tFtFtF转速(m/s)1.25滚筒直径(mm)3201500滚动轴承η30.99滚筒η40.96总效率η0.86802963420.10619298同步转速(r/min)1000满载转速(r/min)960总传动比12.86796351中心高H132传动比4.0900308753.1461775961机械设计课程设计HBS相差4099401.45801.4630.84图10-26262.6272.57261.595271.61002.181502.141001.791501.83150280200320550图10-21d702.24802.22380图10-20c701.75801.77计算载荷系数K使用系数KA1.25图10-2动载系数Kv1.09图10-81.42表10-41.35表10-131.21.2点1点2插值函数HKFKHKFK1.596361739表10-51.796698748表10-52误差0.0051540530.8960HBS相差-4076550图10-21c,d380图10-20c,b图10-19图10-18由计算可知，齿面接触疲劳强度计算的法面模数大于齿根弯曲疲劳强度计算的法面模数mn=2mm，d1=41.421mm计算载荷系数K使用系数KA1.25图10-2动载系数Kv1.05图10-81.423表10-41.35表10-13111.59表10-51.77表10-53误差0.017107236转矩(N.mm)26946.12965363.2440416261.598203加入键槽16.6177286435029.96855长度L82L160D85B19a18.25260524551006010519垂直面由计算可知，齿面接触疲劳强度计算的法面模数大于齿根弯曲疲劳强度计算的法面模数mn=3mm，d1=75.16mm轴的设计HKFKHKFKrFaF51.30789841跨距L距离X-351.4501501181.6135.8181.6135.8σ0.6197133.5197133.5转矩(N.mm)106926.22931037.812393363.2440416261.598203D90B20a19.4575015202155047.54510L40450.708718232360.88597σ0.6转矩(N.mm)326383.92161037.812393D110B22da6970605750732250823516710703.2891087σ0.694890.62842106926.2293垂直面326383.9216130573.766744658.858426946.12965垂直面32987.52505rFrFaFrF轴外伸轴径38轴外伸长度80机械设计课程设计横坐标值241.444826.272347882.5918326.272347881.596362108.3734352.173301108.3734351.796699200320722.236721.754#DIV/0!#DIV/0!#DIV/0!#DIV/0!插值函数da52321力F两端的力363.2440416311.936151.307898963.1095292720.2108242.898772851.3661141932.271919.095171037.812393703.2891334.52328da57