液压计算常用公式-xls表格总结

液体的基本性质压力决定于负载液体的质量，重力和密度质量，kg(m)20重力加速度，m/sec2(g)9.81重力，N(G)196.2G=mg体积,m3(V)0.02密度，kg/m31000液体的压力液体作用的有效面积，cm2(A)4.15265油缸的直径，mm(d)负载有效面积上受的力,N(F)150000液体的压力，N/m2(p)361215127.7油缸的压力油缸的有效面积，cm2(A)50.24油缸的直径，mm(d)负载有效面积上受的力,kg(F)2000液体的压力，bar=kg/cm2(P)39.8089172P=F/A1Pa=1N/m21MPa=1000kPa=1000000Pa1bar=100000Pa1MPa=10bar液压缸活塞运动的速度输入液压缸的流量，LPM（Q）80液压缸的有效面积，cm2(A)572.265液压缸的直径，mm(d)活塞的速度，mm/sec(v)23.29922909液压缸活塞运动所需的流量液压缸的有效面积（缸侧），cm2(A)19.625液压缸的直径，mm(d)液压缸的有效面积（杆侧），cm2(Ar)12.56液压缸杆的直径，mm(dr)活塞的速度，cm/min(v)375液压缸的行程，mm(h)完成一个行程所需时间,sec(t)液压缸缸侧所需的流量,LPM(Q)7.359375液压缸杆侧所需的流量,LPM(Qr)4.71长,mm90宽,mm65高,mm60油路块的重量，kg(钢）2.75535油路块的重量，kg（铝）0.97578木板0.1404公制与英制的转换英制单位，inch,3.44公制单位，mm,87.376238027050305008液压泵的排量与流量柱塞的面积，cm2（A）94.985柱塞的直径，mm（d）行程，cm(l)20液压泵的排量,mL/rev(V)10V=A*l电动机的级数，P4电流的频率，Hz(f)50转速，rev(n)1500n=120*f/P泵输出的流量，LPM（Q）15Q=V*n电动机的功率，hp(W)8.1泵输出的压力，bar(p)243.000p=450*W/Q1HP=0.735KWHPKW1.478.111齿轮泵的流量110139013.9HexagonMHoleDia.TipDep.ThreadDep.Dia.底孔徑鑽尖深攻牙深度相對管內徑14M8x1(plug)7151018.5M10x1915106.820.8M12x1.2510.751914.524.2M14x1.512.522151027.7M16x1.514.5241527.7M18x1.516.5251514M20*1.518.5261634.6M22x1.520.530171741.6M27x22533202147.3M33x23135222548M36*234382457.7M42*24041243263.5M48*2464526HexagonG(BSPP)HoleDia.TipDep.ThreadDep.Dia.底孔徑鑽尖深攻牙深度G1/16-286.81161216.166G1/8-288.2171221.94G1/4-1911211425.404G3/8-1914.8231631.178G1/2-1418.5291834.642G5/8-1420.5312036.952G3/4-1424332147.344G1-1130392357.737G11/4-1138.5412363.51G11/2-1144.5462586.61G2-1157.65128CounterboreCounterboreAluminiumDep.Dia.ThreadDep.TipDep.HoleDia.固定螺絲沉孔深沉孔徑攻牙深度鑽尖深底孔徑M5x0.871224285M6x191526346.75M8x1.25111834428.5M10x1.51322384810.25M12x1.751525445212M14x21728505814M16x21932566515.5M18x2.52135627017.5M20x2.5M22x2.52542789021M24x32846829524M27x3QuickDisconnectorDimensionBasePortMaleLengthCollarO.D.FullLengthSizemmmmmm041/4GAS33.027.066.01/4'NPTM14*1.5063/8GAS39.033.078.03/8NPTM18*1.5081/2GAS44.038.088.01/2NPT7/8UNF51.038.098.53/4UNF44.038.088.0M22*1.5123/4GAS53.548.0107.03/4NPT161GAS66.056.0132.01NPT2011/4GAS73.070.0146.011/4NPT2411/2GAS83.684.0166.011/2NPT322GAS100.0119.0200.02NPTX控制+1mm標準刀尖沉頭加深底孔徑x深port2port3port423.89x22.6T-8A11.9----23.89x31.4T-9A11.921.4--CentertoFace(0.8mmincluded),mm22.410x36.6T-162A17.1----15.710x48.4T-163A31.810.7--19.314x50.8T-10A21.4----19.314x47.8T-13A19.1----13.714x62.8T-11A35.811.9--1614x75.5T-21A48.525.49.619.311.5x103.2T-31A69.14622.215.911.5x122.5T-61A98.675.551.620.117.5x63.1T-3A25.4----19.317.5x56.7T-5A22.2----17.617.5x68.6T-2A36.612.7--18.517.5x83.6T-22A51.627.711.119.315.5x116.4T-32A75.551.124.918.515.5x133.1T-62A10883.657.426.425x80.1T-16A34.1----4625x86.9T-17A48.415--22.425x105.2T-23A66.734.212.719.322x146.9T-33A94.164.33122.222x168.2T-63A134.4104.771.43231.5x101.1T-18A43.7----30.331.5x113.9T-19A64.318.3--29.631.5x135.3T-24A85.740.514.33233x177T-34A115.17735.729.733x206.3T-64A165.112785.9HexagonZ(NPTF)HoleDia.TipDep.ThreadDep.Dia.底孔徑鑽尖深攻牙深度13.857Z1/8-278.2181219.63Z1/4-1811221621.94Z3/8-1814.5261725.404Z1/2-1418312234.642Z3/4-1423.5332241.57Z1-11.529382753.118Z11/4-11.538412857.737Z11/2-11.5444429HexagonPT(R)(ZG)HoleDia.TipDep.ThreadDep.Dia.底孔徑鑽尖深攻牙深度1/16-286.814813.8571/8-288181019.61/4-1911221421.943/8-1914.5261414.825.4041/2-1418311934.6423/4-1423.5331941.571-1129382453.11811/4-1138432557.73711/2-1144462575.0582-11555329SteelCounterboreCounterboreHoleDia.TipDep.ThreadDep.Dia.Dep.底孔徑鑽尖深攻牙深度沉孔徑沉孔深4.21510515121276.7519121598.52216181110.25281822131230222515143324281715.54028321917.542303521453221493642254F12453404628port5port6--------CentertoFace(0.8mmincluded),mm----------------------------25.59.7--------------------27.710.9----------------34.112.5----------------40.414.2HexagonSAEHoleDia.TipDep.ThreadDep.Dia.(UNF)底孔徑鑽尖深攻牙深度21SAE4(7/16-20)9.916.912.325SAE6(9/16-18)1319.313.530SAE8(3/4-16)17.622.615.134SAE10(7/8-14)20.525.917.541SAE12(11/16-12)2530.219.845SAE-16(15/16-12)30.232.119.858SAE-20(15/8-12)37.734.319.8压力损失表现为沿程压力损失和局部压力损失沿程压力损失和真空度计算：(伯努力方程的应用）△P=λþ*L*V2/D/2Q,LPM25Q,m3/min0.025流量D,mm30D,m0.03管直径A,cm27.1A,m20.00071管面积V,mm/s589.5V,m/s0.6速度v,mm2/s20v,m2/s0.00002粘度Re,884.2884.2雷诺数小于2320为层流883.3λ=75/Re0.080.08金属管的沿程阻力系数þ,Kg/m3900þ,Kg/m3900密度L,mm400L,m0.4高度△P，Pa176.8△P，Pa176.8沿程损失P1-P2，Pa4021.2P1-P2，Pa4021.2真空度P1,Pa10132.5P1,Pa10132.5大气压P2,Pa6111.3P2,Pa6111.3吸油压分析：1：减小P2可增大吸油高度h2,但P2越小，真空度越大，当P2小到空气分离压时就会产生气穴，引起噪音。所以安装高度不能过高。2：加大管直径，降低V2，可减少动能损失，也使hw减少，可适当增加泵的吸油高度。为保充分吸油，泵安装高度应小于0.5米。液压泵吸油口的真空度：Re=2120*Q/D/vD,cm液压泵吸油口的真空度：油压执行元件油缸：直线运动的油压缸和摆动运动的油压缸马达：可实现连续的回转运动，输出转矩和转速单出杆活塞缸计算公式：油壓泵,LPM(Qp)286最大出力,Tons(F)117.8缸徑,mm250蓋側面積,cm2(Ac)490.9桿徑,mm56桿面積,cm2(Ar)24.6總行程,mm2000桿側面積,cm2(dA)466.2缸側最高壓,bar240蓋側最大容積,cc98174.8蓋側壓縮容積,cc1178.1速度,mm/sec(Vc)9.5Vd=Qp*1000/(Ar*6)速度,mm/sec(Vd)10.0Vc=Qp*1000/(Ac*6)双出杆活塞缸安装有缸体固定和杆固定，杆固定行程是缸长2倍，缸体固定行程是缸长3倍沖膠缸行程,mm300沖膠缸缸徑,mm80At,cm250.3沖膠缸小桿徑,mm22.4Ats,cm23.9沖膠側面積,cm2沖膠缸大桿徑,mm45AtL,cm215.9上昇側面積,cm2沖膠快速,mm/sec115.17快沖膠回油量,LPM23.74快沖膠所需泵油量,LPM沖膠慢速,mm/sec28.78慢沖膠回油量,LPM5.93慢沖膠所需泵油量,LPM沖膠慢速,mm/sec1.8慢沖膠回油量,LPM0.37慢沖膠所需泵油量,LPM上昇速度,mm/sec155.26上昇回油量,LPM43.15上昇所需泵油量,LPM柱塞缸行程长时用柱塞缸