davit crane calc (new)

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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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simple program calculating davit crane

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Page 1: Davit Crane Calc (New)

ModelNHM (Intermot) Hyd. Motor cc/rev Nm/10 bar rpm

IY - Series (Ningbo) hyd. Transmission drive NHM 1- 63 77 11.36 1500HMB (Staffa) Hyd. Motor NHM 1- 80 91 13.40 1250

DRT / JRT Hyd. Motor NHM 1- 100 96 14.20 1000NHM 1- 110 113 16.76 1000NHM 1- 125 125 18.55 1000NHM 1- 140 138 20.50 1000NHM 1- 160 159 23.50 1000NHM 1- 200 196 29.00 800NHM 2- 100 113 16.76 1250NHM 2- 125 138 20.48 1250NHM 2- 150 159 23.52 1000NHM 2- 175 180 26.60 1000NHM 2- 200 207 30.55 800NHM 2- 250 235 34.75 630NHM 2- 280 276 40.81 500NHM 3- 175 181 26.80 1000NHM 3- 200 201 29.72 800NHM 3- 220 222 32.76 800NHM 3- 250 254 37.60 630NHM 3- 300 289 42.80 500NHM 3- 350 340 50.00 400NHM 3- 400 380 56.00 350NHM 6- 400 397 58.76 630NHM 6- 450 452 66.88 630NHM 6- 500 491 72.55 500NHM 6- 600 594 87.80 500NHM 6- 700 683 101.00 400NHM 6- 750 754 111.56 320NHM 8- 600 617 91.28 500NHM 8- 700 710 105.04 400NHM 8- 800 810 119.80 400NHM 8- 900 889 131.45 350NHM 8- 1000 1000 147.88 300NHM 11- 700 707 104.48 400NHM 11- 800 784 115.96 400NHM 11- 900 894 132.24 400NHM 11- 1000 981 145.10 320NHM 11- 1100 1104 163.25 320NHM 11- 1200 1234 182.44 320NHM 11- 1300 1301 192.44 250NHM 16- 1400 1413 208.96 400NHM 16- 1600 1648 243.70 400NHM 16- 1800 1815 268.35 350NHM 16- 2000 2035 300.89 350NHM 16- 2400 2267 335.25 250NHM 31- 2500 2553 377.52 200NHM 31- 2800 2683 396.75 200

Displacement

Specific Torque

Max. Speed

Page 2: Davit Crane Calc (New)

NHM 31- 3000 3063 452.85 200NHM 31- 3150 3218 475.90 160NHM 31- 3500 3561 526.50 160NHM 31- 4000 4153 614.06 160NHM 31- 4500 4522 668.63 160NHM 31- 5000 4828 713.94 160NHM 70- 5000 4968 731.30 160NHM 70- 5400 5452 806.25 160NHM 70- 6000 5984 884.85 125NHM 70- 6300 6540 967.11 125NHM 70- 7000 7122 1053.06 125NHM100- 6300 6770 1001.05 125NHM100- 8000 8298 1227.05 125NHM100- 8500 8842 1307.50 125NHM100-10000 9982 1476.06 100NHM160-12500 13334 1971.65 80NHM160-16000 16039 2371.75 63

Page 3: Davit Crane Calc (New)

Model Modelbar cc/rev Nm/10 bar rpm bar cc/rev320 IY2.5- 450 430.0 52.69 100 250 HMB010 188320 IY2.5- 630 645.0 79.00 100 250 HMB030 442320 IY2.5- 800 830.5 101.75 100 250 HMB045 740320 IY2.5- 1000 1050.5 128.69 100 250 HMB060 983250 IY3- 700 693.0 84.88 90 250 HMB080 1344250 IY3- 1000 1078.0 132.06 90 250 HMB100 1639200 IY3- 1250 1250.0 148.88 90 250 HMB125 2050200 IY3- 1750 1727.0 211.63 90 250 HMB150 2470320 IY3- 2000 1908.5 233.88 90 250 HMB200 3060320 IY3- 2500 2337.5 286.44 90 250 HMB270 4310320 IY3- 2750 2711.5 332.25 90 250 HMB325 5310250 IY4- 2500 2430.0 304.56 80 250 HMB400 6800250 IY4- 3250 3272.5 410.13 80 250 HMB500 8000200 IY4- 4000 3960.0 496.94 80 250 HMB700 11600200 IY4- 4500 4356.0 545.94 80 250320 IY4- 5500 5428.5 680.38 80 250320 IY5- 5000 5110.0 640.44 50 250320 IY5- 6500 6580.0 824.69 50 250250 IY5- 7500 7238.0 907.13 50 250250 IY5-10000 9988.0 1251.81 50 250250 IY5-11000 11038.5 1383.50 50 250225 IY6-10000 10635.0 1332.88 35 250320 IY6-12500 12565.0 1574.81 35 250320 IY6-15000 15205.0 1905.69 35 250250 IY6-17000 16725.5 2096.25 30 250250 IY7-18000 17650.0 2212.13 30 25020 IY7-20000 20060.0 2514.19 30 25020 IY7-25000 24940.0 3125.81 30 250

320 IY7-27500 27434.0 3438.38 30 250320250250200320320320250250200200320250250225200320250

Max. Pressure

Displacement

Specific Torque

Max. Speed

Max. Pressure

Displacement

Page 4: Davit Crane Calc (New)

250250250225200200250250250225200250250225200250200

Page 5: Davit Crane Calc (New)

ModelNm/10 bar rpm bar cc/rev Nm/10 bar rpm bar

27.92 500 241 DRT-0500 499 73.79 500 24565.68 450 293 DRT-0750 748 110.92 400 245

109.52 400 293 DRT-1000 1005 149.00 360 245145.54 300 293 DRT-1200 1206 175.66 330 245198.60 300 293 DRT-1350 1357 198.51 315 245241.89 250 293 DRT-1500 1507 220.41 300 245306.77 220 293 DRT-2100 2099 307.05 260 245369.31 220 293 DRT-3200 3203 467.48 205 245460.72 175 293 DRT-3500 3516 512.23 195 245637.73 125 293 *displacement at 100%794.45 100 293

1012.74 120 2931196.39 100 2261746.47 100 250

Specific Torque

Max. Speed

Max. Pressure

Displacement

Specific Torque

Max. Speed

Max. Pressure

Page 6: Davit Crane Calc (New)

Kgm155233313369417463645982

1076*displacement at 100%

Torque @206 bar

Page 7: Davit Crane Calc (New)

Back to Calculation

Back to Calculation

Page 8: Davit Crane Calc (New)
Page 9: Davit Crane Calc (New)

Back to Calculation

Page 10: Davit Crane Calc (New)

Back to Calculation

Page 11: Davit Crane Calc (New)

V10-1 4.7 175

V10-2 9.4

V10-3 14.2

V10-4 18.9

V10-5 23.6

V20-6 28.4 175

V20-7 33.1

V20-8 38.8

V20-9 42.6

V20-11 52

20VQ-5 23.6 210

20VQ-8 37.8

20VQ-11 52

20VQ-12 56.8

20VQ-14 66.2

25VQ-12 56.8

25VQ-14 66.2

25VQ-17 80.5

25VQ-21 99.4

35VQ-25 118

35VQ-30 142

35VQ-35 165

35VQ-38 180

45VQ-42 199 175

45VQ-50 236

45VQ-60 284

Hyd. Pump Model

Output Flow @ 1500 rpm

(Lpm),±6 bar

Max. Pressure

(bar)

Hyd. Pump Model

Output Flow @ 1500 rpm

(Lpm),±6 bar

Max. Pressure

(bar)

Page 12: Davit Crane Calc (New)

V10-1 4.7 175

V10-2 9.4

V10-3 14.2

V10-4 18.9

V10-5 23.6

V20-6 28.4 175

V20-7 33.1

V20-8 38.8

V20-9 42.6

V20-11 52

20VQ-5 23.6 210

20VQ-8 37.8

20VQ-11 52

20VQ-12 56.8

20VQ-14 66.2

25VQ-12 56.8

25VQ-14 66.2

25VQ-17 80.5

25VQ-21 99.4

35VQ-25 118

35VQ-30 142

35VQ-35 165

35VQ-38 180

45VQ-42 199 175

45VQ-50 236

45VQ-60 284

Hyd. Pump Model

Output Flow @ 1500 rpm

(Lpm),±6 bar

Max. Pressure

(bar)

Page 13: Davit Crane Calc (New)

V10-1 4.7 175

V10-2 9.4

V10-3 14.2

V10-4 18.9

V10-5 23.6

V20-6 28.4 175

V20-7 33.1

V20-8 38.8

V20-9 42.6

V20-11 52

20VQ-5 23.6 210

20VQ-8 37.8

20VQ-11 52

20VQ-12 56.8

20VQ-14 66.2

25VQ-12 56.8

25VQ-14 66.2

25VQ-17 80.5

25VQ-21 99.4

35VQ-25 118

35VQ-30 142

35VQ-35 165

35VQ-38 180

45VQ-42 199 175

45VQ-50 236

45VQ-60 284

Hyd. Pump Model

Output Flow @ 1500 rpm

(Lpm),±6 bar

Max. Pressure

(bar)

Page 14: Davit Crane Calc (New)
Page 15: Davit Crane Calc (New)

H y d r a u l i c W i n c h D a v I tWinch Specification

R a t e d P u l l 16 kN

at # 3 Layer

18 m/min

Rope Diameter 16 mm

Drum Diameter 273 mm

Transmission Ratio 14.27

Speed of Main Shaft 19.83 rpm

Bearing Effeciency 92%

Other Mechanical Effeciency 90%

Max. Torque on motor (1.25xT) 298.72 Nm

Speed of Hydraulic Motor 282.94 rpm

Hydraulic MotorMotor Type NHM (Intermot)

Motor Spec NHM 2- 125

Displacement 138.00 cc/rev

Specific Torque 20.48 Nm/10 bar

Hyd. Motor Effeciency 95%

Press. needed for hyd. motor 149.65 Bar

Flowrate needed for hyd. Motor 40.06 lpm

10.58 USgpm

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) 20.00 kNWeight of Boom w/ attachments (W) 29.00 kN

SWL Radius (L0) 6000.00 mmCG Radius of W (L1) 1000.00 mm

Trim Angle 4.00

Heel Angle 3.00

Resultant of Angle 5.00Tilting Moment 149.00 kNM

Slewing torque 12.98 kNMReduction ratio 5.36

Slw drive torq. (1,15 T) 2.42 kNMZ slewing (z1) 118.00

Z pinion (z2) 22.00

Slewing speed 1.00 rpm

Speed at 1st Layer

o

o

o

Page 16: Davit Crane Calc (New)

Speed on slw motor 5.36 rpmStored Power Slewing Angle 110.00

Accumulator Volume 7661.81 cc

Hydraulic Motor slewingMotor Type IY - Series (Ningbo)

Motor Spec IY3- 2500

Displacement 2337.50 cc/rev

Specific Torque 286.44 Nm/10 bar

Hyd. Motor Effeciency 95%

Press. needed for hyd. motor 86.70 Bar

Flowrate needed for hyd. Motor 12.86 lpm

3.40 USgpm

o

Page 17: Davit Crane Calc (New)

H y d r a u l i c W i n c h D a v I tHydraulic PumpHyd. Pump Type 20VQ11

Flow Out @ 1500 rpm/rated pressure 46 lpm

Flow output at rated speed/pressure 45.69 lpm

Estimated work. press. in system 165 Bar

Electric MotorElectric Motor Effeciency 95%

Rated speed 1490 rpm

Power ( T . n / 9550 . Eff. ) 9.81 KW

Power ( Pr . Flow_rate / 600 . Eff ) 13.23 KW

Real Speed of Winch 20.53 m/min

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

slw bearing= 011.40.800

Flow Output must be greater than 40,07 Lpm !!

Estimat'd Pr. must be greater than 149,66 bar !!

Hyd. Pump Selection & Performance Graphics

Page 18: Davit Crane Calc (New)

Hyd. Pump Selection & Performance Graphics