Corel Ventura - D034-002 - Airline Hydraulics AND FORMULAS V • n • 10-3 Q = [l/min] ηv ∆p •...

INDEX

Page

General information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Symbols and formulas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Areas of application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Typical hydraulic schemes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

OTHER USES - ACCESSORIES

Braking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

INSTRUCTIONS

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Starting up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

HOW TO ORDER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

RBM SERIES MOTORS

Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

RBP SERIES MOTORS

Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

RBR SERIES MOTORS

Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

RBS SERIES MOTORS

Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

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Orbit motors convert hydraulic energy into mechanical energy.Once the speed and required torque have been set, the displacement of the orbit motor is proportionalto the oil pressure and delivery within the system.The orbit group is made up of a magnet frame or stator and an internal rotor, which has a lobe-shapedsection. The movement of the two elements is epicycloidal, thereby the rotor while in motion moves around thecircumference of the rotor.The CASAPPA range comes in two families of orbit groups:

APPLICATION

The strength and durability, the compact size and flexibility in the torques allow for the use of the orbitmotors in many fields of application.

Some of the most common are:

cranes and aerial platformsagricultural, timber cutting and milling machinerybuilding construction machineryearth moving machineryhydrostatic drive machinerybelt conveyorsmarine fixtures and fittings and windlassesindustrial equipmentmining machinery and toolsmachine toolssnow blowing machinesgarbage removal trucks and street sweepers

...... and in general in all areas where low speed rotation and high torque are required.

GENERAL INFORMATION

Roller ; where the rollers are supportedhydrodynamically and therefore minimi-se friction thereby ensuring maximumdurability and high output at high pres-sure.

Rotor , , where the lobes are fixed andset directly onto the stator; this is parti-cularly suited for long working cycles ataverage pressure.

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SYMBOLS AND FORMULAS

V • n • 10-3

Q = ––––––––––– [l/min]ηv

∆p • V• ηmM = ––––––––––– [Nm]

62.8

∆p • V • n• ηtP = ––––––––––––––– [kW]

612 • 1000

Note : the operating curves relevant to each series motors are shown on the following pages.

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Q [l/min] Delivery

M [Nm] Torque

P [kW] Power

V [cm3/rev] Displacement

n n [min-1] Speed of rotation

∆p [bar] Pressure

ηv= ηv (V,∆p, n) (≈ 0.95) Volumetric efficiency

ηm= ηm (V,∆p, n) (≈ 0.82) Mechanichal efficiency

ηt (≈ 0.78) Overall efficiency

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APPLICATION RANGES

Tab. 1

Fluid type Fluid compositionTemperature

[°C]Seals

ISO/DIN 1629

MINERAL OILSMineral oil based hydraulic

fluid to ISO/DIN-30 ÷ +80 NBR

-30 ÷ +110 FPM

HFAOil emulsion in water

5 ÷ 15 % of oil 2 ÷ +55 NBR

HFBWater emulsion in oil

40 % of water2 ÷ +60 NBR

HFC Water - glycol -20 ÷ +60 NBR

HFD Phospate esters -10 ÷ +80 FPM

Tab. 3

Working pressure > 200 [bar] Working pressure < 200 [bar]

Contamination class NAS 1638 8 10

Contamination class ISO 4406 17/14 19/16

Achieved with filter ßx=75 10 µm 25 µm

Room temperature -30 °C + 90 °C

Maximum oil temperature 80 °C

Recommended oil temperature 30 °C + 60 °C

Viscosity at running temperatureFrom 30 to 75 mm2/s (cSt) recommended

20 mm2/s (cSt) allowed

Seals See Table 1

Drain See Table 2

Hydraulic fluidMineral oil based hydraulic fluid according to ISO/DIN norms[see tab. 1] For any other oils, please consult our technicalsales department.

Filtration recommended See table 3

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All CASAPPA motors, come with a built in non-return valve. For applications in closed circuits or forseries connection, external drain has been arranged for in order to limit pressure on the shaft seal.

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TYPICAL HYDRAULIC LAYOUTS

In a closed circuit configuration, the oil is sent backfrom the motor to the pump.

In an open circuit configuration the oil is sent backfrom the motor to the tank.

In parallel configuration, the oil delivered by thepumps is distributed to the motors according to thedisplacement and to the external load of the same;therefore, the speed of each motor shall be inverselyproportional to the torque resistance.Each motor is in a position to supply maximumtorque; this being determined by the drop in pressurewithin the circuit.

In a series configuration all the oil delivered by thepump goes through every motor. The speed will bedetermined exclusively by its displacement and deli-very.Mechanical connection of the outlet shafts is notrecommended as small differences in displacementand volumetric efficiency could off-phase the system.D

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OPEN CIRCUIT CLOSED CIRCUIT

SERIES CONFIGURATION PARALLEL CONFIGURATION

The combination of series-parallel configuration is often used for hydrostatic vehicle transmission. Parallelconfiguration ensures high torque at low speed (this being ideal for starting up), while series configuration offershigh speeds with low torque (ideal for transfer). This combination, when conveniently located, allows fordifferential locking too.

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OTHER USES - ACCESSORIES

BRAKING

A CASAPPA orbit motor can be used as a brake.In this case the motor performs like a pump, by converting the mechanical energy of the load into hydraulicenergy.

☞ During braking, one must ensure that the motor is constantly being filled in order to avoid cavitationproblems, which in turn cause early wear and seizing up as well as limiting braking capacity. To avoid thisinconvenience, filling pressure must be kept at a certain level so as to compensate for the loss of load, andthis in turn ensures oil delivery to the orbit group. This is achieved by inserting a non-return valve with anadequately rated preloading spring into the circuit .

☞ Since the braking torque must not exceed the maximum torque as provided for in the catalogue for eachmotor, (taking into consideration the hydromechanical drops in efficiency, which further limit the brakingtorque), we highly recommend the use of a pressure limiter valve, which should be fitted as close as possibleto the motor.

EXTERNAL SUSPENDED LOADS

External suspended loads, which are hydraulically controlled, may be subjected to gradual slipping causedby inevitable leaks within the internal hydraulic components.The load can be stopped by means of a mechanical brake.

ACCESSORIES

The following accessories are provided with the CASAPPA motors:

☞ control valves that are ready to be fitted directly on to the motors

☞ external support frames for heavy radial loads

☞ emergency lock brakes

☞ digital R.P.M. counter

☞ couplings and sleeves

The characteristics of these products are described under separate cover, which is at the customers’ disposal..

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INSTRUCTIONS

INSTALLATION

☞ All CASAPPA motors are bench tested. Residue oil after testing is kept inside the motor by means of plasticcaps which have to be removed only during installation to avoid any risk of contamination.

☞ You must make sure that the mounting flange is well aligned between the outlet shaft and the drive shaft;the connection must not induce radial or axial loads that are greater than those allowed for in the cataloguefor each type of motor.For shaft loads that are greater than the ones mentioned, external supporting frames must be adopted.These are available on request.

☞ In order to reduce load loss to a minimum it is advisable to make the piping as short and as linear as possible.It is also very important to ensure that the pipes are always perfectly clean.The return line must be fitted with a filter. See directions on page 4. The discharge and drainage pipes mustalso be kept below the minimum oil level in the tank, so as to avoid buildup of foam.The maximum speed of the oil flowing through the pipes must be adhered to as follows:in the suction line 0.5 - 1.5 m/sin pressure line 3-10 m/sin discharge line 2 - 5 m/s

STARTING UP

☞ Make sure that all circuit connections are right and that the equipment is perfectly clean:

☞ Fill the tank and use a filter.

☞ Adjust the pressure limiter valve to the lowest rating possible.

☞ Start the machine up at the lowest speed for a short time, then breathe and check the oil level in the tank.

☞ Bleed the machine by making it run on empty for 10 - 15 minutes; if there should be too much noise, and/orfoam in the tank, and/or if the motor should pulsate while running, then this means that the bleeding is notbeing carried out properly.

☞ Gradually increase the pressure and the speed of rotation until you reach the set running values.

MAINTENANCE

☞ The filter should be changed after the first 100 working hours, so as to ensure maximum reliability anddurability of the orbit motor.

☞ The external surface of the motor must be kept clean. Special care must be taken around the end shaft tightjoint as, the abrasive power of the external agents could accelerate wear and cause leaks.

☞ Regularly check the level of the oil in the tank.Replace filters and oil regularly, according to the running conditions of the machine and according to thespecifications set out by the manufacturer.

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HOW TO ORDER

Options RBM

Shafts Flanges Positionof ports 12.5 20 32 50

cylindrical SAE A

roundrear RBM 12.5-31 G1-P RBM 20-31 G1-P RBM 32-31 G1-P RBM 50-31 G1-P

side RBM 12.5-31 G1-L RBM 20-31 G1-L RBM 32-31 G1-L RBM 50-31 G1-L

SAErear RBM 12.5-31 G2-P RBM 20-31 G2-P RBM 32-31 G2-P RBM 50-31 G2-P


cylindrical 16 mm





splinedB 17x14 DIN 5482





Motor weight[kg] 1.9 2.1 2.3 2.5

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Options RBP

Shafts 50 80 100 160 200 250 300 400

cylindrical25 mm RBP 50-62 RBP 80-62 RBP 100-62 RBP 160-62 RBP 200-62 RBP 250-62 RBP 300-62 RBP 400-62

cylindrical 1" RBP 50-63 RBP 80-63 RBP 100-63 RBP 160-63 RBP 200-63 RBP 250-63 RBP 300-63 RBP 400-63

splined1" SAE 6 B RBP 50-72 RBP 80-72 RBP 100-72 RBP 160-72 RBP 200-72 RBP 250-72 RBP 300-72 RBP 400-72

splinedB 25x22 DIN 5482 RBP 50-73 RBP 80-73 RBP 100-73 RBP 160-73 RBP 200-73 RBP 250-73 RBP 300-73 RBP 400-73

tapered 1:10 RBP 50-89 RBP 80-89 RBP 100-89 RBP 160-89 RBP 200-89 RBP 250-89 RBP 300-89 RBP 400-89

Motor weight[kg] 5.6 5.7 5.9 6.2 6.3 6.5 6.7 7

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HOW TO ORDER

Options RBS

Shafts 80 100 125 160 200 250 300

cylindrical32 mm RBS 80-64 RBS 100-64 RBS 125-64 RBS 160-64 RBS 200-64 RBS 250-64 RBS 300-64

tapered 1:10 RBS 80-68 RBS 100-68 RBS 125-68 RBS 160-68 RBS 200-68 RBS 250-68 RBS 300-68

splinedANSI B92.1 RBS 80-74 RBS 100-74 RBS 125-74 RBS 160-74 RBS 200-74 RBS 250-74 RBS 300-74

Motor weight[kg] 10.4 10.6 10.8 11.4 11.8 12.2 12.6

Options RBR

Shafts 50 80 100 160 200 250 300 400

cylindrical25 mm RBR 50-62 RBR 80-62 RBR 100-62 RBR 160-62 RBR 200-62 RBR 250-62 RBR 300-62 RBR 400-62

cylindrical 1" RBR 50-63 RBR 80-63 RBR 100-63 RBR 160-63 RBR 200-63 RBR 250-63 RBR 300-63 RBR 400-63

splined1" SAE 6 B RBR 50-72 RBR 80-72 RBR 100-72 RBR 160-72 RBR 200-72 RBR 250-72 RBR 300-72 RBR 400-72

splinedB 25x22 DIN 5482 RBR 50-73 RBR 80-73 RBR 100-73 RBR 160-73 RBR 200-73 RBR 250-73 RBR 300-73 RBR 400-73

tapered 1:10 RBR 50-89 RBR 80-89 RBR 100-89 RBR 160-89 RBR 200-89 RBR 250-89 RBR 300-89 RBR 400-89

Motor weight[kg] 6.7 6.9 7.3 7.7 7.9 8.3 8.5 9.5

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DIRECTION OF ROTATION AND FLOW

LOADS ALLOWED ON THE SHAFTS

RBM TECHNICAL DATA

The radial load allowed on the shaft (Pr.) is directly pro-portional to the speed (n) and to the distance (L) of thepoint where the load is placed from the mounting flange.

13040Pr. = –––––––––– [daN] ( L ≤ 88 [mm])

61.5 + L

MAX. BACK PRESSURE WITHOUTDRAINAGE

Max. pressure is directly proportional to thespeed of rotation (n).

Note: in applications with external drainage,the above graph can be used for determi-ning the maximum drain line pressure.

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Motor type 12.5 20 32 50

Displacement [cm3/rev] 12.9 20 31.8 50

Max. speed [min-1]cont. 1550 1000 629 402

int. 1938 1250 786 503

Max. torque [da Nm]cont. 1.6 2.5 4.1 4.6

int. 2.2 3.6 5.7 8.8

peak 3.3 5.1 8.1 9.6

Max. power [kW]cont. 2.1 2.4 2.4 1.6

int. 3.2 3.2 3.1 3.0

Max. pressure drop [bar]cont. 100 100 100 70

int. 140 140 140 140

peak 200 200 200 160

Max. delivery [l/min]cont. 20 20 20 20

int. 25 25 25 25

Min. starting torque [da Nm]max. ∆p cont. 1.2 2.1 3.4 3.8

max. ∆p int. 1.7 2.9 4.8 7.3

Max. inlet pressure [bar]cont. 140

int. 175

peak 225

Max. return pressurewith drain line [bar]

cont. 140

int. 175

peak 225

cont. = continuousint. = intermittent, max. 10% per minutepeak = max. 1% per minute

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Type RBM 12.5 20 32 50

Dimensions [mm]

A 109.5 112.5 117.5 125

B 5.5 8.5 13.5 21

C 105 108 113 120.5

D 108.5 111 116 123.5

E 92.5 95 100 107.5

SAE flange

M 6

Dep

th 1

0

Round flange

Round flange

SAE flange

71

G2G1

Drain connection G1/8 Depth 13

6131

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RBM

Continuous service (intermittent service, max 10% per minute)


OPERATING CURVES

Pressure drop and delivery superior at the max continuous values must not verify simultaneously.

The diagrams refer to tests carried out on a representative number of sample motors, using mineral based oilhaving a viscosity of 35 cSt at 50°C.


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RBP TECHNICAL DATA


The radial load allowed on the shaft (Pr.) is directly proportional tothe speed (n) and to the distance (L) of the point where the load isplaced from the mounting flange.

MAX BACK PRESSUREWITHOUT DRAINAGE

800 26000Pr. = ------------ x -------------- [daN] ( L ≤ 55 [mm] n ≥ 200 [min -1])

n 99 + L

Max pressure is directly propor-tional to the speed of rotation (n).

Note: in applications with exter-nal drainage, the above graphcan be used for determining themaximum drain line pressure.

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Motor type 50 80 100 160 200 250 300 400

Displacement [cm3 /rev] 46.2 69.3 96 159.4 184.8 231.1 277.3 369.7

Max. speed [min -1]cont. 866 866 580 350 305 240 206 152

int. 1082 980 740 421 370 305 250 195

Max. torque [da Nm]cont. 6.6 9.8 13.1 22.9 25.6 28.2 27.7 37.2

int. 8.5 13 17.2 29.2 33.2 36.5 38.1 51.1

peak 12.7 18.7 25.3 42 48.7 48.2 56.3 75.1

Max. power [kW]cont. 5 6.5 7.3 7 6 5.5 5.2 4

int. 6.4 8.5 9 10.2 8.2 7.5 6.5 5.8

Max. pressure drop [bar]cont. 105 105 105 105 105 90 70 70

int. 140 140 140 140 140 115 105 105

peak 215 215 215 215 215 170 170 170

Max. delivery [ l /min]cont. 40 60 60 60 60 60 60 60

int. 50 75 75 75 75 75 75 75

Min. starting torque [da Nm]max. ∆p cont. 5.7 9 12.6 21.3 24.1 25.6 24.2 32.2

max. ∆p int. 7.6 12.1 16.6 28.7 31.8 33.1 36 47.1


int. 175

peak 225


cont. 140

int. 175

peak 225


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89

Tapered 1:10

SHAFTS


M 8

Dep

th 1

6G

1/2

Dep

th 1

6

RBPD

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Splined SAE 6-B

Splined B 25x22 DIN 5482Cylindrical 1"

73

7262

Cylindrical 25 mm

63

Across flats:41Tightening torque 20± 1 [daNm]

Type RBP 50 80 100 160 200 250 300 400

Dimensions [mm]A 188.7 191.8 195.5 204.2 207.7 214 220.4 233.1

B 134.9 138 141.7 150.4 153.9 160.2 166.6 179.3

C 6.4 9.5 13.2 21.9 25.4 31.7 38.1 50.8

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RBP OPERATING CURVES

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RBPOPERATING CURVES






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OPERATING CURVESRBP

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RBR TECHNICAL DATA

800 26000Pr. = ------------ x -------------- [daN] ( L ≤ 55 [mm] n ≥ 200 [min -1])

n 99 + L


The radial load allowed on the shaft (Pr.) is directly proportional tothe speed (n) and to the distance (L) of the point where the load isplaced from the mounting flange.

MAX BACK PRESSUREWITHOUT DRAINAGE

Max pressure is directly propor-tional to the speed of rotation (n).

Note: in applications with exter-nal drainage, the above graphcan be used for determining themaximum drain line pressure.

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Motor type 50 80 100 160 200 250 300 400

Displacement [cm3 /rev] 49 83 103 164 205 229 277 369

Max. speed [min -1]cont. 816 723 583 366 316 262 217 160

int. 1020 904 728 430 375 300 245 185

Max. torque [da Nm]cont. 9.5 16.5 20.7 32.9 31.5 34.5 34.5 39

int. 12.3 20.6 24.4 38.8 41.5 46.5 45.7 50.2

peak 16.2 28 32.8 47 51.4 60.5 74.1 80.6

Max. power [kW]cont. 7 10.2 10.5 9 7.9 7.3 6.2 5.5

int. 8.5 12.4 12 11 11 10 8.4 7

Max. pressure drop [bar]cont. 140 140 140 140 125 110 90 80

int. 175 175 175 175 175 150 125 105

peak 225 225 225 225 225 210 210 180

Max. delivery [ l /min]cont. 40 60 60 60 60 60 60 60

int. 50 75 75 75 75 75 75 75

Min. starting torque [da Nm]max. ∆p cont. 7.6 12.4 15.5 26.7 24.9 28.5 27.6 32.7

max. ∆p int. 9.5 15.4 20.2 32.6 37.8 38.6 40.2 45


int. 175

peak 225


cont. 140

int. 175

peak 225


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Tapered 1:10

SHAFTS

M 8

Dep

th 1

6G

1/2

Dep

th 1

6


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Splined SAE 6-B

Splined B 25x22 DIN 5482Cylindrical 1"

73

7262

Cylindrical 25 mm

63


Type RBR 50 80 100 160 200 250 300 400

Dimensions [mm]A 191.2 197.3 200.9 211.9 219.2 214 220.4 233.1

B 137.4 143.5 147.1 158.1 165.4 160.2 166.6 179.3

C 8.9 15 18.6 29.6 36.9 31.7 38.1 50.8

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OPERATING CURVESRBR

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RBROPERATING CURVES






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OPERATING CURVES






RBR

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RBR


OPERATING CURVES





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RBS TECHNICAL DATA

LOADS ALLOWED ON THE SHAFTSMAX BACK PRESSURE WITHOUTDRAINAGE


Curve A showsmax. radial loadallowed on theshaft. The other curvesare referred to anexpected life of3000 hours at200 [min-1].For different wor-king conditionsplease consult oursales department.

Max pressure is directly proportional to thespeed of rotation (n).

Note: in applications with external drai-nage, the above graph can be used fordetermining the maximum drain linepressure.

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Motor type 80 100 125 160 200 250 300

Displacement [cm3 /rev] 83 103 127 164 205 255 315

Max. speed [min -1]cont. 785 730 590 460 365 295 240

int. 965 875 710 550 440 350 285

Max. torque [da Nm]cont. 21 26 32 35 41 45 54

int. 25 31 38 49 51 56 63

peak 27 33 41 53 66 82 83

Max. power [kW]cont. 16 17.5 17.5 15.5 14 12.5 11.5

int. 19 21 21 21 17.5 15 13.5

Max. pressure drop [bar]cont. 175 175 175 150 140 125 120

int. 210 210 210 210 175 155 140

peak 225 225 225 225 225 225 185

Max. delivery [ l /min]cont. 65 75 75 75 75 75 75

int. 80 90 90 90 90 90 90

Min. starting torque [da Nm]max. ∆p cont. 17 19.5 24 28.5 32.5 37 43

max. ∆p int. 19.5 23 31.5 41 46.5 46.5 55.5


int. 250

peak 300


cont. 140

int. 175

peak 225


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Type RBS 80 100 125 160 200 250 300

Dimensions [mm]

A 232.2 235.8 240.4 246.8 254.1 263.2 274.9

B 166 169.6 174.2 180.6 187.9 197 208.7

C 121.5 125.1 129.7 136.1 143.4 152.5 164.2

D 15 18.6 23.2 29.6 36.9 46 57.7

RBS

Depth 15


Depth 13

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Splined ANSI B92.1Cylindrical 32 mm

Tapered 1:10


74

68

64

Splined shaft ANSI B92.1 - 197014 Teeth - 12/24 DPFlat root side fitPressure angle 30°

SHAFTS

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RBS OPERATING CURVES

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NOTES

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Corel Ventura - D034-002 - Airline Hydraulics AND FORMULAS V • n • 10-3 Q = [l/min] ηv ∆p •...

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Transcript of Corel Ventura - D034-002 - Airline Hydraulics AND FORMULAS V • n • 10-3 Q = [l/min] ηv ∆p •...