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davit crane calc

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Model NHM (Intermot) Hyd. Motor cc/rev Nm/10 bar Y - Series (Ningbo) hyd. Transmission drive NHM 1- 63 77 11.36 HMB (Staffa) Hyd. Motor NHM 1- 80 91 13.40 DRT / JRT Hyd. Motor NHM 1- 100 96 14.20 NHM 1- 110 113 16.76 NHM 1- 125 125 18.55 NHM 1- 140 138 20.50 NHM 1- 160 159 23.50 NHM 1- 200 196 29.00 NHM 2- 100 113 16.76 NHM 2- 125 138 20.48 NHM 2- 150 159 23.52 NHM 2- 175 180 26.60 NHM 2- 200 207 30.55 NHM 2- 250 235 34.75 NHM 2- 280 276 40.81 NHM 3- 175 181 26.80 NHM 3- 200 201 29.72 NHM 3- 220 222 32.76 NHM 3- 250 254 37.60 NHM 3- 300 289 42.80 NHM 3- 350 340 50.00 NHM 3- 400 380 56.00 NHM 6- 400 397 58.76 NHM 6- 450 452 66.88 NHM 6- 500 491 72.55 NHM 6- 600 594 87.80 NHM 6- 700 683 101.00 NHM 6- 750 754 111.56 NHM 8- 600 617 91.28 NHM 8- 700 710 105.04 NHM 8- 800 810 119.80 NHM 8- 900 889 131.45 NHM 8- 1000 1000 147.88 NHM 11- 700 707 104.48 NHM 11- 800 784 115.96 NHM 11- 900 894 132.24 NHM 11- 1000 981 145.10 NHM 11- 1100 1104 163.25 NHM 11- 1200 1234 182.44 NHM 11- 1300 1301 192.44 NHM 16- 1400 1413 208.96 NHM 16- 1600 1648 243.70 NHM 16- 1800 1815 268.35 NHM 16- 2000 2035 300.89 NHM 16- 2400 2267 335.25 NHM 31- 2500 2553 377.52 Displace ment Specific Torque

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hyd mtr slctModelDisplacementSpecific TorqueMax. SpeedMax. PressureModelDisplacementSpecific TorqueMax. SpeedMax. PressureModelDisplacementSpecific TorqueMax. SpeedMax. PressureModelDisplacementSpecific TorqueMax. SpeedMax. PressureTorque @206 barNHM (Intermot)Hyd. Motorcc/revNm/10 barrpmbarcc/revNm/10 barrpmbarcc/revNm/10 barrpmbarcc/revNm/10 barrpmbarKgmIY - Series (Ningbo)hyd. Transmission driveNHM 1- 637711.361500320IY2.5- 450430.052.69100250HMB01018827.92500241DRT-050049973.79500245155HMB (Staffa)Hyd. MotorNHM 1- 809113.401250320IY2.5- 630645.079.00100250HMB03044265.68450293DRT-0750748110.92400245233DRT / JRTHyd. MotorNHM 1- 1009614.201000320IY2.5- 800830.5101.75100250HMB045740109.52400293DRT-10001005149.00360245313NHM 1- 11011316.761000320IY2.5- 10001050.5128.69100250HMB060983145.54300293DRT-12001206175.66330245369NHM 1- 12512518.551000250IY3- 700693.084.8890250HMB0801344198.60300293DRT-13501357198.51315245417NHM 1- 14013820.501000250IY3- 10001078.0132.0690250HMB1001639241.89250293DRT-15001507220.41300245463NHM 1- 16015923.501000200IY3- 12501250.0148.8890250HMB1252050306.77220293DRT-21002099307.05260245645NHM 1- 20019629.00800200IY3- 17501727.0211.6390250HMB1502470369.31220293DRT-32003203467.48205245982NHM 2- 10011316.761250320IY3- 20001908.5233.8890250HMB2003060460.72175293DRT-35003516512.231952451076NHM 2- 12513820.481250320IY3- 25002337.5286.4490250HMB2704310637.73125293*displacement at 100%NHM 2- 15015923.521000320IY3- 27502711.5332.2590250HMB3255310794.45100293NHM 2- 17518026.601000250IY4- 25002430.0304.5680250HMB40068001012.74120293NHM 2- 20020730.55800250IY4- 32503272.5410.1380250HMB50080001196.39100226NHM 2- 25023534.75630200IY4- 40003960.0496.9480250HMB700116001746.47100250NHM 2- 28027640.81500200IY4- 45004356.0545.9480250NHM 3- 17518126.801000320IY4- 55005428.5680.3880250NHM 3- 20020129.72800320IY5- 50005110.0640.4450250NHM 3- 22022232.76800320IY5- 65006580.0824.6950250NHM 3- 25025437.60630250IY5- 75007238.0907.1350250NHM 3- 30028942.80500250IY5-100009988.01251.8150250NHM 3- 35034050.00400250IY5-1100011038.51383.5050250NHM 3- 40038056.00350225IY6-1000010635.01332.8835250NHM 6- 40039758.76630320IY6-1250012565.01574.8135250NHM 6- 45045266.88630320IY6-1500015205.01905.6935250NHM 6- 50049172.55500250IY6-1700016725.52096.2530250NHM 6- 60059487.80500250IY7-1800017650.02212.1330250NHM 6- 700683101.0040020IY7-2000020060.02514.1930250NHM 6- 750754111.5632020IY7-2500024940.03125.8130250NHM 8- 60061791.28500320IY7-2750027434.03438.3830250NHM 8- 700710105.04400320NHM 8- 800810119.80400250NHM 8- 900889131.45350250NHM 8- 10001000147.88300200NHM 11- 700707104.48400320NHM 11- 800784115.96400320NHM 11- 900894132.24400320NHM 11- 1000981145.10320250NHM 11- 11001104163.25320250NHM 11- 12001234182.44320200NHM 11- 13001301192.44250200NHM 16- 14001413208.96400320NHM 16- 16001648243.70400250NHM 16- 18001815268.35350250NHM 16- 20002035300.89350225NHM 16- 24002267335.25250200NHM 31- 25002553377.52200320NHM 31- 28002683396.75200250NHM 31- 30003063452.85200250NHM 31- 31503218475.90160250NHM 31- 35003561526.50160250NHM 31- 40004153614.06160225NHM 31- 45004522668.63160200NHM 31- 50004828713.94160200NHM 70- 50004968731.30160250NHM 70- 54005452806.25160250NHM 70- 60005984884.85125250NHM 70- 63006540967.11125225NHM 70- 700071221053.06125200NHM100- 630067701001.05125250NHM100- 800082981227.05125250NHM100- 850088421307.50125225NHM100-1000099821476.06100200NHM160-12500133341971.6580250NHM160-16000160392371.7563200

Hyd_Pump GraphBack to CalculationHyd. Pump ModelOutput Flow @ 1500 rpm (Lpm),6 barMax. Pressure (bar)

V10-14.7175V10-29.4V10-314.2V10-418.9V10-523.6V20-628.4175V20-733.1V20-838.8V20-942.6V20-115220VQ-523.621020VQ-837.820VQ-115220VQ-1256.820VQ-1466.225VQ-1256.825VQ-1466.225VQ-1780.525VQ-2199.435VQ-2511835VQ-3014235VQ-3516535VQ-3818045VQ-4219917545VQ-5023645VQ-60284Back to CalculationHyd. Pump ModelOutput Flow @ 1500 rpm (Lpm),6 barMax. Pressure (bar)

V10-14.7175V10-29.4V10-314.2V10-418.9V10-523.6V20-628.4175V20-733.1V20-838.8V20-942.6V20-115220VQ-523.621020VQ-837.820VQ-115220VQ-1256.820VQ-1466.225VQ-1256.825VQ-1466.225VQ-1780.525VQ-2199.435VQ-2511835VQ-3014235VQ-3516535VQ-3818045VQ-4219917545VQ-5023645VQ-60284

Back to CalculationHyd. Pump ModelOutput Flow @ 1500 rpm (Lpm),6 barMax. Pressure (bar)

V10-14.7175V10-29.4V10-314.2V10-418.9V10-523.6V20-628.4175V20-733.1V20-838.8V20-942.6V20-115220VQ-523.621020VQ-837.820VQ-115220VQ-1256.820VQ-1466.225VQ-1256.825VQ-1466.225VQ-1780.525VQ-2199.435VQ-2511835VQ-3014235VQ-3516535VQ-3818045VQ-4219917545VQ-5023645VQ-60284Back to Calculation

davit crane calc

H y d r a u l i c W i n c h D a v I tWinch SpecificationHydraulic PumpR a t e d P u l l16kNHyd. Pump Type20VQ11at #3LayerFlow Out @ 1500 rpm/rated pressure46lpmSpeed at 1st Layer18m/minFlow output at rated speed/pressure45.69lpmRope Diameter16mmEstimated work. press. in system165BarDrum Diameter273mmFlow Output must be greater than 40,07 Lpm !!Estimat'd Pr. must be greater than 149,66 bar !!Transmission Ratio14.27Electric MotorSpeed of Main Shaft19.83rpmElectric Motor Effeciency95%Bearing Effeciency92%Rated speed1490rpmOther Mechanical Effeciency90%Power ( T . n / 9550 . Eff. )9.81KWMax. Torque on motor (1.25xT)298.72NmPower ( Pr . Flow_rate / 600 . Eff )13.23KWSpeed of Hydraulic Motor282.94rpmHydraulic MotorReal Speed of Winch20.53m/minMotor TypeNHM (Intermot)Motor SpecNHM 2- 125Hyd. Pump Selection & Performance GraphicsDisplacement138.00cc/revSpecific Torque20.48Nm/10 barHyd. Motor Effeciency95%Press. needed for hyd. motor149.65BarFlowrate needed for hyd. Motor40.06lpm10.58USgpm

T I l t I n g M o m e n t & S l e w I n g

SWL x 1,25 (F)20.00kNWeight of Boom w/ attachments (W)29.00kNSWL Radius (L0)6000.00mmCG Radius of W (L1)1000.00mmTrim Angle4.00oHeel Angle3.00oResultant of Angle5.00oTilting Moment149.00kNMSlewing torque12.98kNMReduction ratio5.36Slw drive torq. (1,15 T)2.42kNMslw bearing= 011.40.800Z slewing (z1)118.00Z pinion (z2)22.00Slewing speed1.00rpmSpeed on slw motor5.36rpmStored Power Slewing Angle110.00oAccumulator Volume7661.81cc

Hydraulic Motor slewingMotor TypeIY - Series (Ningbo)Hyd. Pump Selection & Performance GraphicsMotor SpecIY3- 2500Displacement2337.50cc/revSpecific Torque286.44Nm/10 barHyd. Motor Effeciency95%Press. needed for hyd. motor86.70BarFlowrate needed for hyd. Motor12.86lpm3.40USgpm


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