Power Calc for Windlass_mooring

8/2/2019 Power Calc for Windlass_mooring

1/18

U1

U2

U3


2/18

Displacem

ent

Specific

Torque

Max.

Speed

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

IY - Series (Ningbo) hyd. Transmission drive NHM 1- 63 77 11.36 1500

HMB (Staffa) Hyd. Motor NHM 1- 80 91 13.40 1250

DRT / JRT Hyd. Motor NHM 1- 100 96 14.20 1000

NHM 1- 110 113 16.76 1000

NHM 1- 125 125 18.55 1000

NHM 1- 140 138 20.50 1000

NHM 1- 160 159 23.50 1000

NHM 1- 200 196 29.00 800

NHM 2- 100 113 16.76 1250

NHM 2- 125 138 20.48 1250NHM 2- 150 159 23.52 1000

NHM 2- 175 180 26.60 1000

NHM 2- 200 207 30.55 800

NHM 2- 250 235 34.75 630

NHM 2- 280 276 40.81 500

NHM 3- 175 181 26.80 1000

NHM 3- 200 201 29.72 800

NHM 3- 220 222 32.76 800

NHM 3- 250 254 37.60 630

NHM 3- 300 289 42.80 500

NHM 3- 350 340 50.00 400

NHM 3- 400 380 56.00 350

NHM 6- 400 397 58.76 630

NHM 6- 450 452 66.88 630

NHM 6- 500 491 72.55 500

NHM 6- 600 594 87.80 500

NHM 6- 700 683 101.00 400

NHM 6- 750 754 111.56 320

NHM 8- 600 617 91.28 500

NHM 8- 700 710 105.04 400

NHM 8- 800 810 119.80 400

NHM 8- 900 889 131.45 350

NHM 8- 1000 1000 147.88 300

NHM 11- 700 707 104.48 400

NHM 11- 800 784 115.96 400

Model


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NHM 31- 3150 3218 475.90 160

NHM 31- 3500 3561 526.50 160

NHM 31- 4000 4153 614.06 160

NHM 31- 4500 4522 668.63 160

NHM 31- 5000 4828 713.94 160

NHM 70- 5000 4968 731.30 160

NHM 70- 5400 5452 806.25 160

NHM 70- 6000 5984 884.85 125

NHM 70- 6300 6540 967.11 125

NHM 70- 7000 7122 1053.06 125

NHM100- 6300 6770 1001.05 125

NHM100- 8000 8298 1227.05 125

NHM100- 8500 8842 1307.50 125

NHM100-10000 9982 1476.06 100

NHM160-12500 13334 1971.65 80

NHM160-16000 16039 2371.75 63


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Max.

Pressure

Displacem

ent

Specific

Torque

Max.

Speed

Max.

Pressure

bar cc/rev Nm/10 bar rpm bar

320 IY2.5- 450 430.0 52.69 100 250 HMB010

320 IY2.5- 630 645.0 79.00 100 250 HMB030

320 IY2.5- 800 830.5 101.75 100 250 HMB045

320 IY2.5- 1000 1050.5 128.69 100 250 HMB060

250 IY3- 700 693.0 84.88 90 250 HMB080

250 IY3- 1000 1078.0 132.06 90 250 HMB100

200 IY3- 1250 1250.0 148.88 90 250 HMB125

200 IY3- 1750 1727.0 211.63 90 250 HMB150

320 IY3- 2000 1908.5 233.88 90 250 HMB200

320 IY3- 2500 2337.5 286.44 90 250 HMB270320 IY3- 2750 2711.5 332.25 90 250 HMB325

250 IY4- 2500 2430.0 304.56 80 250 HMB400

250 IY4- 3250 3272.5 410.13 80 250 HMB500

200 IY4- 4000 3960.0 496.94 80 250 HMB700

200 IY4- 4500 4356.0 545.94 80 250

320 IY4- 5500 5428.5 680.38 80 250

320 IY5- 5000 5110.0 640.44 50 250

320 IY5- 6500 6580.0 824.69 50 250

250 IY5- 7500 7238.0 907.13 50 250

250 IY5-10000 9988.0 1251.81 50 250

250 IY5-11000 11038.5 1383.50 50 250

225 IY6-10000 10635.0 1332.88 35 250

320 IY6-12500 12565.0 1574.81 35 250

320 IY6-15000 15205.0 1905.69 35 250

250 IY6-17000 16725.5 2096.25 30 250

250 IY7-18000 17650.0 2212.13 30 250

20 IY7-20000 20060.0 2514.19 30 250

20 IY7-25000 24940.0 3125.81 30 250

320 IY7-27500 27434.0 3438.38 30 250

320

250

250

200

320

320

Model Model


5/18

250

250

225

200

200

250

250

250

225

200

250

250

225

200

250

200


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Displacem

ent

Specific

Torque

Max.

Speed

Max.

Pressure

Displacem

ent

Specific

Torque

Max.

Speed

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

188 27.92 500 241 DRT-0500 499 73.79 500

442 65.68 450 293 DRT-0750 748 110.92 400

740 109.52 400 293 DRT-1000 1005 149.00 360

983 145.54 300 293 DRT-1200 1206 175.66 330

1344 198.60 300 293 DRT-1350 1357 198.51 315

1639 241.89 250 293 DRT-1500 1507 220.41 300

2050 306.77 220 293 DRT-2100 2099 307.05 260

2470 369.31 220 293 DRT-3200 3203 467.48 205

3060 460.72 175 293 DRT-3500 3516 512.23 195

4310 637.73 125 293 5310 794.45 100 293

6800 1012.74 120 293

8000 1196.39 100 226

11600 1746.47 100 250

Model


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8/18

Max.

Pressure

Torque

@206 bar

bar Kgm

245 155

245 233

245 313

245 369

245 417

245 463

245 645

245 982

245 1076

displacement at 100%


9/18

Back to Calculation


10/18


11/18


12/18

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 56.820VQ-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)


13/18

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 99.435VQ-25 118

35VQ-30 142

35VQ-35 165

35VQ-38 180

45VQ-42 199 175

45VQ-50 236

45VQ-60 284


14/18

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 80.525VQ-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

(Lpm),6 bar

(bar)


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17/18

Hydraulic Pump

R a t e d P u l l 50 kN Chain Diameter 32 mm Hyd. Pump Type

at # 2 Layer Grade U2 Flow Out @ 1500 rpm/rated pressureSpeed at 1

stLayer 10 m/min R a t e d P u l l 43.52 kN Flow output at rated speed/pressure

Rope Diameter 16 mm Speed 10 m/min Estimated work. press. in system

Drum Diameter 355.6 mm Gipsy Pitch Diameter 400.00 mm

Transmission Ratio 5.56 Transmission Ratio 5.56

Electric Motor

Speed of Main Shaft 8.57 rpm Speed of Main Shaft 7.96 rpm Electric Motor Effeciency

Bearing Effeciency 92% Bearing Effeciency 92% Rated speed

Other Mech. Effeciency 90% Other Mech. Effeciency 90% Power ( T . n / 9550 . Eff. )

Max. Torque on motor (1,25xT) 2741.85 Nm Max. Torque on motor (2xT) 3784.35 Nm Power ( Pr . Flow_rate / 600 . Eff )

Speed of Hyd. Motor 47.59 rpm Speed of Hyd. Motor 44.21 rpm

Hydraulic Motor Estimated Speed ofMooring

Motor Type Estimated Speed ofWindlass

Motor Spec

Displacement cc/rev

Specific Torque Nm/10 bar

Hyd. Motor Effeciency

Press. needed for hyd. motor 159.32 BarFlowrate needed for hyd. Motor 74.75 lpm

19.75 USgpm21.26

95%

NHM (Intermot)

NHM 16- 1600

115.4380.46

H y d r a u l i c W i n c h H P U C a l c u l a t i o n

gFlow Output must be greater than

80.47 and 74.76 Lpm !!

Hyd. Pump Selection &

Performance Graphics

MOORING SPECIFICATION WINDLASS SPECIFICATION

1648.00

243.70


18/18

lpm

lpm

Bar

rpm

KW

KW

m/min

m/min

Power Calc for Windlass_mooring

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