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链号10A节距15.875链轮齿数Z115链轮齿数Z213初选中心距304.3链轮节数52.34229369最近中心距317.459783113.15978306附表1附近中心距301.3302.3303.3304.3链接数51.9643935652.0903601652.2163268752.34229369附近中心距307.3308.3309.3310.3链接数52.7201948452.8461621252.972129553.09809699单排双排05B858.614.306B9.5256.3513.523.808A12.77.9217.832.310A15.87510.1621.839.912A19.0511.9126.949.816A25.415.8833.562.720A31.7519.0541.17724A38.122.2350.896.328A44.4525.454.9103.632A50.828.5865.5124.236A57.1535.7173.914040A63.539.6880.3151.948A76.247.6395.5183.4电机转速传动1(Z1)传动2(Z2)15KW1361513电机选用BWD4以上国贸,BWD4以下用国宇原始值取整(四舍五入)Z183.2585029983Z272.9799068372Z176.3545327276.35Z266.3349808266.33Z166.1945327266.19Z256.1749808256.17Z186.5145327286.511Z276.4949808276.491齿数引送辊直径校平速度速度比速度差(mm/min)1614064704.73147.4719%-20828.76链轮节数及中心距计算齿轮关键数据计算粗选中心距节距生产线速度计算销轴全宽辊子直径d1链轮齿顶圆da分度圆d齿根圆df附表2板式机校平机速度匹配量柱测量距MR转速传动1(Z1)传动2(Z2)引送辊直径校平速度180105117280.0505451Z3Z414528212513630119.5450.5043865Z3Z4136362125电机转速Z1Z2Z3Z49021253636电机转速Z1Z2Z3Z412018182121承重M(kg)料卷外径D(m)转速(r/min)系数启动时间120001.515.9139.241.4内径cm重量m(T)宽度cm密度(g/cm^3)外径mm52121207.851375.631202开卷机外径计算校平机速度匹配开卷机电机功率计算取偶总节数54305.3306.352.4682606352.59422768三排19.97.37348.5246.712.3357.915.3572.618.3491.924.3911330.48141.736.55152.442.67182.948.7420654.86223.560.93271.373.13传动比基辊直径线速度1.158943875.96632量柱10.16齿数Z115Z213偶数齿算法奇数齿算法86.5145327286.096254676.4949808276.01132412链轮节数及中心距计算销轴全宽链条通道高度速度比400.21.429027749153398.6418.177398166.97%371.8320.888337632138.1269153398.6260.1992699173.14%231.1448Z5基辊速度2510034200.63426#DIV/0!Z5基辊速度2510031667.25395########扭矩(N。m)功率转换系数电机功率(KW)1244.07650795502.07259238校平机速度匹配开卷机电机功率计算g/cm^3电机功率计算P=0.52*I≈0.5*I注:现场找不到功率表,要求以钳式电流表代替。即用电流表套住一根主电缆,测量其交流电流值,并换算为功率。 ※工人师傅的经验公式为:P=0.5*I 其中:P为电机有功功率,单位千瓦;I为实测电流,单位安培。不考虑泄漏,运动速度与外负载无关单位时间流量Qv=q/A系统频率其他时间设定速度(m/min)速度转换(mm/s)502.8122366.6666667加速度时间频率匀加速区183.3333333250匀高速区02.24545454550减频区1586.66666670.510匀低速区00.53181818210减频区2244.44444440.35减速时间(s)5.577272727总时间(s)8.387272727符号表示H点节点频率H系系统频率V高最高速度V点节点速度普通电机整线速度计算表速度(件/分)其他时间(s)其他总时间(s)5.2315.6其他时间(s)设定速度(m/min)速度转换(mm/s)320333.3333333加速度时间匀加速区1111.1111110.3匀速区03.65匀减速区666.66666670.5走料时间(s)4.45总时间(s)滑块行程H冲床频率Z冲孔步距S冲头行程L1207030050系统压力P(MPa)泵流量Q(ml/r)油缸直径D(mm)油缸杆直径d(mm)165018063电机功率Pn(KW)转速V(r/min)损失系数泵站流量l(ml/s)13.3315001.31250主机速度V(m/min)系统频率H0(Hz)速度转换(mm/s)剪切时间T(s)2650433.332.65随动距离S随(mm)余量L余(mm)剪座长度L底(mm)导轨长度L(mm)229.673005451143.57随动剪导轨长度选取伺服送料单件时间计算机械冲床送料速度计算液压剪(冲孔)、油泵电机、剪切(冲孔)时间计算注:空白为需设定值,绿色为自动计算值注:现场找不到功率表,要求以钳式电流表代替。即用电流表套住一根主电缆,测量其交流电流值,并换算为功率。 ※工人师傅的经验公式为:P=0.5*I 其中:P为电机有功功率,单位千瓦;I为实测电流,单位安培。不考虑泄漏,运动速度与外负载无关前缸面积A2活塞杆面积活塞杆直径制件长度(mm)匀低速区+减频区2位移之和135050行程366.6666667823.33333331103911V点=H点/H系*V高vt=v0+ata=(V2-V1)/tS=v0*t+0.5*at2相关公式普通电机整线速度计算表单件走料时间(s)8.538461538制件长度(mm)1350行程501216.66666783.333333337.45冲孔效率η送料最小速度Vη=(H*2-L*2)÷H*20.58361.V=S÷((60÷Z)*η)*60÷1000362.V=S*Z÷η÷1000油缸行程H(mm)单次动作流量L(ml)L=π*(2*(D/2)^2-(d/2)^2)*H854061.01一次时间T(s)4.22剪切频率H1(Hz)随动系数101.3T=L*1.3/l随动剪导轨长度选取计算公式S随=V*H1/H0*TL=S随*1.3+L余+L底Pn=P*Q/60l=V*Q/60伺服送料单件时间计算机械冲床送料速度计算计算公式液压剪(冲孔)、油泵电机、剪切(冲孔)时间计算计算公式伸出速度收缩速度油缸速度P(节距)8.79丝径5磨平圈数2有效圈数n5.5总卷数n17.5总长H055.845实际距离38压缩率0.856080595工作变形量fn48.345是否合适1压缩弹簧工作高度HnHn=H0-fn(fn为工作变形量)当长度大于直径的5倍时加导柱两端圈不磨平n1=n+2,H0=pn+3dn1=n+2.5,H0=pn+3.5d压缩弹簧自由长度H0:两端磨平n1=n+1.5,H0=pn+d两端磨平n1=n+1.5,H0=pn+dn1=n+2,H0=pn+1.5dn1=n+2.5,H0=pn+2d板厚(t)切断线长(L)抗拉强度(&)*0.8安全系数32503501.3系统压力缸径16164.8泵形式电机转速排量/转排量(L)1变量泵14301927.22定量泵14302535.8推力(KN)1.46222281.46282361.46362451.46452561.46502631.46562701.46632801.46702901.468021001.468521051.469021101.4610021251.4611021401.461252160110125剪切力计算油缸选择公式:F=L*t*&*0.8*1.3S=∏*(D/2)^2S=F/P405063809010014015016018016MPa20.131.449.9缸径速比丝杆200220282.7321.780.4101.8125.7152.1407.2502.7608.2196.378246.31234561112泵功率选择序号油缸推力表13149101.4614021801.4616022001.4618022202503204002010.61286.8785.4171516剪断力(N)5.屈强比(σs/σb)341250压力(Mpa)功率(Kw)计算公式169.4流量x工作压力/60167.2流量x工作压力/60/2*1.5拉力(KN)推力(KN)拉力(KN)行程后腔前腔总流量14.021.92.25.310.216.01.64.721.633.73.48.315.123.62.47.333.652.55.213.024.438.23.811.655.085.98.621.241.064.16.419.070.3109.911.026.951.981.18.124.086.2134.713.533.164.1100.110.029.6102.1159.616.039.771.6111.911.235.0134.7210.521.151.794.5147.714.845.5165.8259.125.964.4120.6188.418.857.3191.9299.830.074.2144.1225.222.566.7219.8343.434.484.6169.6264.926.576.8281.3439.644.0107.6210.7329.232.996.6350.4547.554.8133.3256.2400.440.1118.6411.7643.264.4159.4286.4447.544.8139.825MPa25钢材的屈服点(屈服强度)与抗拉强度的比值,称为屈强比。屈强比越大,结构零件的可靠性越高,一般碳素钢屈强比为0.6-0.65,低合金结构钢为0.65-0.75合金结构钢为0.84-0.86剪切力计算公式:F=L*t*&*0.8*1.3S=∏*(D/2)^2S=F/P16MPa31.449.177.9125.7159.0196.3237.6950.3306.8384.8441.8502.7252525252525636.2785.42525252525253.14.97.812.615.919.638.544.250.363.623.830.725泵功率选择78.595.0油缸推力表流量(L)538.8841.984.2207.0378.1590.759.1181.8964.61507.2150.8351.9783.71224.6122.5323.61602.72504.2250.5564.71401.72190.2219.1533.31227.22010.63141.625314.2122.7201.12525
本文标题:链轮传动相关计算
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