Hydraulic Motors
Hydraulic MotorsSeries V12, V14, T12Variable Displacementparker.com/pmde
Hydraulic MotorsSeries V12, V14 and T12Catalogue HY30-8223/UKGeneral informationBasic formulas for hydraulic motorsFlow (q)DxnD - displacement [cm3/rev]n - shaft speed [rpm]ηv - volumetric efficiency p - differential pressure [bar](between inlet and outlet)ηhm - mechanical efficiencyηt - overall efficiency(ηt ηv x ηhm)q 1000 x η [l/min]vTorque (M)D x p x ηhm [Nm]M 63Power (P)q x p x ηt[kW]600P Basic formulas for hydraulic pumpsFlow (q)D x n x ηvq 1000D - displacement [cm3/rev]n - shaft speed [rpm]ηv - volumetric efficiency p - differential pressure [bar](between inlet and outlet)ηhm - mechanical efficiencyηt - overall efficiency(ηt ηv x ηhm)[l/min]Torque (M)M D x p63 x ηhm[Nm]Power (P)P q x p600 x ηt[kW]Conversion factorsConversion factors1 kg. 2.20 lb1 N. 0.225 lbf1 Nm. 0.738 lbf ft1 bar.14.5 psi1 l.0.264 US gallon1 cm 3 .0.061 cu in1 mm. 0.039 in1 C. 5/9( F-32)1 kW. 1.34 hp1 lb. 0.454 kg1 lbf.4.448 N1 lbf ft.1.356 Nm1 psi. 0.068948 bar1 US gallon. 3.785 l1 cu in . 16.387 cm 31 in. 25.4 mm1 F. 9/5 C 321 hp. 0.7457 kW2Parker HannifinPump and Motor DivisionTrollhättan, Sweden
Catalogue HY30-8223/UKContentHydraulic MotorsSeries V12, V14 and T12General product informationGeneral informationGeneral information and design, Bearing lifePages 4 - 6Series V12V12Axial piston motor with variable displacement and bent-axisPages 7 - 30Series V14V14Axial piston motor with variable displacement and bent-axisPages 31 - 57Series T12T12Axial piston motor with two-displacement and bent-axisPages 58 - 62Installation and start-up informationInstallation informationV12, V14 and T12Pages 63 - 663Parker HannifinPump and Motor DivisionTrollhättan, Sweden12345
Catalogue HY30-8223/UKGeneral product informationHydraulic MotorsSeries V12, V14 and T12V12V14Series V12Series V14Series V12 is a bent-axis, variable displacement motor.It is intended for both open and closed circuits, mainly inmobile applications, but the V12 can also be utilized in awide variety of other applications.Series V14 is a new generation of variable displacement, bent-axis motors, a further development of ourwell known V12 motor.It is designed for both open and closed circuit transmissions with focus on high performance machines .Features Max intermittent pressure to 480 bar and continuousoperating pressure to 420 bar Thanks to low weight pistons with laminated pistonrings and a compact design of the rotating parts, theV12 tolerates very high speeds High allowable speeds and operating pressuresmeans high output power; the overall efficiencyremains high throughout the entire displacementrange The 9-piston design provides high start-up torque andsmooth motor operation Wide displacement ratio (5:1) Broad range of controls and accessory valves formost applications Small envelop size and a high power-to-weight ratio ISO, cartridge and SAE versions Low noise levels due to a very compact and sturdydesign with smooth fluid passages Positive piston locking, strong synchronizing shaft,heavy-duty bearings and small number of parts addup to a compact and robust motor with long service lifeand proven reliability.Applications Excavators Forestry machines Mining and drilling machines Wheel loaders Winch drivesOptional equipment Integrated sensor for speed Integrated flushing or pressure relief valvesAdditional benefits (compared to those of the V12) Improved speed capability Improved control performance Reduced number of parts Stronger shaft bearing support.4Parker HannifinPump and Motor DivisionTrollhättan, Sweden
Catalogue HY30-8223/UKGeneral product informationHydraulic MotorsSeries V12, V14 and T12Available T12Frame SAECartridgeChapter2222223333334Series T12The T12 two-displacement motor is tailor-made fortrack drives. It allows a high ratio between high and lowspeed and installs as easily as a fixed displacementmotor. Max speed ratio is 3.33-to-1.The T12 is a cartridge motor based on the well provenV12 series. The specially designed end cap with dualports permits a very short installation.A simple setting device moves the cylinder barrelto the maximum or minimum displacement position.The setting is controlled by an external hydraulic pilotsignal.5Parker HannifinPump and Motor DivisionTrollhättan, Sweden1
Hydraulic MotorsSeries V12, V14 and T12Catalogue HY30-8223/UKSpecificationsBearing lifeBearing life calculationAn application is usually governed by a certain duty orwork cycle where pressure, speed and displacementvary with time during the cycle.Bearing life is also dependent on external shaft loads,case fluid viscosity and fluid contamination.General informationBearing life can be calculated for that part of the load/life curve (shown below) that is designated ’Bearingfatigue’. ’Fatigue of rotating parts’ and ’Wear’causedby fluid contamination, etc., should also be taken intoconsideration when estimating the service life of amotor/pump in a specific application.In reality, bearing life can vary considerably due to thequality of the hydraulic system (fluid condition, cleanliness, etc.)Bearing life calculations are mainly used whencomparing different motor frame sizes. Bearing life,designated B10 (or L10), depends of system pressure,operating speed, external shaft loads, fluid viscosity inthe motor case, and fluid contamination level.The B10 value means that 90% of the bearings surviveat least the number of hours calculated. Statistically,50% of the bearings will survive at least five times theB10 life.Required informationWhen requesting a bearing life calculation from ParkerHannifin, the following information (where applicable)should be provided:- A short presentation of the application- Motor size and version- Duty cycle (pressure and speed versus timeat specified displacements)- Low pressure- Case fluid viscosity- Life probability (B10, B20, etc.)- Direction of rotation (L or R)- Axial loadWearLife expectancy (logarithmic scale)- Fixed or rotating radial load- Distance between flange and radial loadBearingfatigue- Angle of attack (α) as defined below.Fatigue ofrotating partsSystem pressureBearing life.epsLeif A./03-01-24Hydraulic motor life versus system pressure.FF αV12 shaft loads.epsLeif A./03-03-056Parker HannifinPump and Motor DivisionTrollhättan, Sweden
Hydraulic MotorsSeries V12Catalogue HY30-8223/UKGeneral informationV122ContentPageSpecifications. 8V12 cross section. 8Continuous Speed vs. Displacement. 9Efficiency diagrams. 9Controls - general information. 10AC pressure compensator. 10AH pressure compensator. 11AD pressure compensator with brake defeat. 12EO two-position control. 13EP proportional control. 14HO two-position control. 15HP proportional control. 16Valve and sensor options. 17Flushing valve. 17High Speed / High Power operation. 18Speed sensor . 19Ordering codes. 20Installation dimensions. 24ISO version, V12-60, V12-80. 24Cartridge version, V12-60, V12-80. 26SAE version, V12-60, V12-80. 28Control installation dimensions. 30Installation and start-up information. 637Parker HannifinPump and Motor DivisionTrollhättan, Sweden
Hydraulic MotorsSeries V12Catalogue HY30-8223/UKSpecificationsV12 cross section1. End cap2. Servo control valve3. Setting piston4. Valve segment5. Cylinder barrel6. Spherical piston withlaminated piston ring7. Synchronizing shaft8. Heavy-duty roller bearings9. Bearing housing10. Output shaft1234678910V12 cross.epsLeif A./03-03-21SpecificationsV12 frame sizeDisplacement [cm3/rev]- max, at 35 - min, at 6.5 Operating pressure [bar]- max intermittent 1)- max continuousOperating speed [rpm]- at 35 , max intermittent 1)- at 35 , max continuous- at 6.5 –20 , max intermittent 1)- at 6.5 –20 , max continuous- min continuousFlow [l/min]- max intermittent 1)- max continuousTorque (theor.) at 100 bar [Nm]Max Output power 1) [kW]Corner power [kW]- intermittent 1)- continuousMass moment of inertia(x10-3) [kg m2]Weight [kg]56080601280164804204804204 7004 1007 9006 900504 3003 7007 2006 1) Max 6 seconds in any one minute.8Parker HannifinPump and Motor DivisionTrollhättan, Sweden
Hydraulic MotorsSeries V12Catalogue HY30-8223/UKSpecificationsSpeed [rpm]Continuous Speed vs. Displacement8 000V12-607 000V12-8026 0005 0004 0003 00000102030405060708090Displacement [cm3]Efficiency diagramsThe following diagrams show volumetric and overallefficiencies versus shaft speed at 210 and 420 baroperating pressure, and at full (35 ) and reduced (10 )displacements.Information on efficiencies for a specific load conditioncan be made available from Parker Hannifin.210 bar at full displacement420 bar “ ““210 bar at reduced displacement420 bar 80010002000300040005000 40005000 [rpm]09V12-160[%][%]100100100020003000Parker HannifinPump and Motor DivisionTrollhättan, Sweden
Hydraulic MotorsSeries V12Catalogue HY30-8223/UKControlsControls (general information)Servo supply pressure is usually obtained from the mainhigh pressure port through the built-in shuttle valve.When using external servo supply, the servo pressureshould be at least 30 bar.The response time (i.e. from max to min displacement)is determined by orifices in the servo valve supply andreturn lines.The following six V12 controls described below satisfymost application requirements: AC and AH (Pressure compensator) EO and HO (Two-position controls) EP and HP (Proportional controls).All controls utilize a setting piston that connects to thevalve segment (refer to the picture on page 8).The built-in four-way servo valve acts on the settingpiston and determines the displacement which can varybetween 35 (max) and 6.5 (min).NOTE: The modulating pressure/current, p/ I valuesare valid for motors that are not displacementlimited.AC pressure compensatorDisplacement(setting piston position)The AC compensator is used in off-road vehicle hydrostatic transmissions; it automatically adjusts motordisplacement to the output torque requirement (up tomax available system pressure).Normally, the motor stays in the minimum displacementposition. When there is a demand for additional torque,i.e. when the vehicle enters an upgrade, the displacement increases (providing more torque) while the motorshaft speed decreases proportionally.The threshold pressure (‘ps’; refer to the AC diagram)where displacement starts to increase, is adjustablebetween 150 and 400 bar.To reach max displacement, an additional modulatingpressure (Dp) above the threshold pressure (ps) isrequired.To satisfy specific hydraulic circuit requirements, amodulating pressure, Dp, of 15, 25 or 50 bar can beselected.The AC compensator is available in two versions:ACI 01 I ACE 01 I (optional)OptionalmodulatingpressureX2Servo supply pressure (after orifice)X4Servo supply pressure (before orifice)X5External pilot pressureX6Setting piston pressure (decreasing displ.) pThresholdpressureModul.pressureX4M14x1.5 (ISO and cartridge versions)–9/16"-18AX2MaxMinX6BX1ACI 01 I schematic (spool in a balanced, mid-pos.).X4AX2X5MaxMinPort sizes:–SystempressurepsAC diagram.Gauge/pilot ports (AC compensator):Setting piston pressure (increasing displ.)MaxthresholdpressureMinInternal pilot pressureExternal pilot pressure; port X5 can, forexample, be connected to the ’forwarddrive’ pressure line of a vehicle transmission to prevent motor displacementincrease when the vehicle is going downhill.X1Min threshold pressureMaxO-ring boss (SAE version).X6X1BACE 01 I schematic (spool in a balanced, mid-pos.).10V12 AC dia schematic.epsLeif A./03-01-24 Parker HannifinPump and Motor DivisionTrollhättan, Sweden
Hydraulic MotorsSeries V12Catalogue HY30-8223/UKControlsAH pressure compensatorThe AH compensator is similar to the AC (page 10) butincorporates an hydraulic override device. It is utilizedin hydrostatic transmissions where a high degree ofmanoeuvrability at low vehicle speeds is desirable.When the override is pressurized, the servo pistonmoves to the max displacement position irrespective ofsystem pressure, provided the servo supply pressure isat least 20 bar.Displacement(setting piston position)OverrideengagedMaxMinRequired override pressure, port X7 (min 20 bar):p he AH compensator is available in two versions:AHI 01 I - Same as the ACI except for the override;internal pilot pressure.AHE 01 I - External pilot pressure (port X5; compare(optional)ACE, page 10).p7 SMin thresholdpressureSystempressureps pThresholdpressureModul.pressureX4X2AH diagram.[bar]p7 Override pressureps System pressure p Modulating pressureAX7MaxGauge/pilot ports (AH compensator)X1Setting piston pressure (increasing displ.)X2Servo supply pressure (after orifice)X4Servo supply pressure (before orifice)X5External pilot pressureX6Setting piston pressure (decreasing displ.)X7Override pressureMinX6BX1AHI 01 I schematic (spool in a balanced, mid-pos.).X4AX2Port sizes:–M14x1.5 (ISO and cartridge versions)–9/16"-18O-ring boss (SAE version).X5X7MaxMinX6X1BAHE 01 I schematic (spool in a balanced, mid-pos.).V12 AH dia schematic.epsLeif A./03-01-2411Parker HannifinPump and Motor DivisionTrollhättan, Sweden2
Catalogue HY30-8223/UKControlsHydraulic MotorsSeries V12AD pressure compensator with brake defeatThe AD control is similar to the ACI (internal pilotpressure supply; page 10) but incorporates a solenoidcontrolled override function.In addition, the AD includes a brake defeat valve whichprevents motor displacement increase in the brakingmode.The override consists of a piston built into the AD endcover and an external electrohydraulic solenoid valve.When the solenoid is energized, system pressure isdirected to the piston which in turn pushes on the spoolof the servo control valve.This causes the motor to lock in the max displacementposition, irrespective of system pressure (min 30 bar).Solenoids are available in 12 VDC (designated L) and24 VDC (design. H); the required current is 2 and 1 Arespectively.The brake defeat valve is also part of the AD endcover and consists of a two-position, three-wayspool. The two ports, x9 and x10 (below) should beconnected to the corresponding ports of the displacement control of the variable displacement pump.The brake defeat function prevents the motor outletport pressure to influence the pressure compensator. If,for example, port A is being pressurized when driving’forward’, pressure in port B during braking will notcause the motor to increase its displacement.Likewise, when driving in ’reverse’ (port B pressurized),any braking pressure in port A will not influence thecontrol; refer to the schematic.Displacement(servo piston position)OverrideengagedMaxMin .pressureMinSystempressureps pThresholdpressureModul.pressureAD diagram.X9X2 XAAMaxMinX10X6X1XBBAD schematic (spool in balanced, mid-position).Gauge/pilot ports (AD control)XA System pressure, port AXB System pressure, port BX1Servo piston pressure (increasing displ.)X2Servo supply pressure (after orifice)X6Servo piston pressure (decreasing displ.)X9Brake defeat, port AX10 Brake defeat, port BPort sizes:–M14x1.5 (ISO and cartridge versions)9/ "-18 O-ring boss (SAE version).–16’Reverse’ pumpdispl. pressure’Forward’ pumpdispl. pressurePort X6Port XAPort X10Port XBPort X9AD end cover with solenoid valve and brake defeat.V12 AE B dia GB.epsLeif A./00-07-0612Parker HannifinPump and Motor DivisionTrollhättan, Sweden
Hydraulic MotorsSeries V12Catalogue HY30-8223/UKControlsEO two-position controlThe EO is a two-position control, where max and minDisplacement(setting piston position)displacements are governed by a DC solenoid attachedto the control cover (refer to the installation drawing onpage 30).MaxThe EO control is utilized in transmissions where onlytwo operating modes are required: Low speed/hightorque or high speed/low torque.The servo piston, normally in the max displacementposition, shifts to the min displacement position whenthe solenoid is activated. Intermediate displacementsMincannot be obtained with this control.Servo pressure is supplied internally (through the shuttlevalve from one of the main high pressure ports) or exterIsnally (port X4).ThresholdcurrentThe solenoid is either 12 or 24 VDC, requiring 1200 and600 mA respectively. An electrical connector is included EO diagram.(DIN 43650/IP54).X42SolenoidcurrentX1Setting piston pressure (max-to-min)X2Servo supply pressure (after orifice)X4Servo supply pressure (before orifice)X6Setting piston pressure (min-to-max)MinMaxX6Gauge/pilot ports (EO control):AX2The EO two-position control is available in four versions:EOH 01 I - Internal servo supply, 24 VDCEOL 01 I - Internal servo supply, 12 VDCEOH 01 E - External servo supply, 24 VDC(optional)EOL 01 E - External servo supply, 12 VDC(optional)BX1EO H 01 I schematic (non-activated solenoid).X4AX2Port sizes:–M14x1.5 (ISO and cartridge versions)–9/16"-18MinO-ring boss (SAE version).MaxX6X1BEO H 01 E schematic (non-activated solenoid).V12 EO dia schematics.epsLeif A./03-01-2513Parker HannifinPump and Motor DivisionTrollhättan, Sweden
Hydraulic MotorsSeries V12Catalogue HY30-8223/UKControlsEP proportional controlThe EP electrohydraulic proportional control is used inDisplacement(setting piston position)hydrostatic transmissions requiring a continuously variable shaft speed. The position of the setting piston isgoverned by a DC solenoid attached to the control cover.MaxMin thresholdWhen the solenoid current increases above the thresholdcurrentcurrent, the servo piston starts to move from the maxtowards the min displacement position. The displacementMax thresholdvs. solenoid current is shown in the diagram to the right.currentPlease note, that the shaft speed vs. current is non-linear;refer to the diagram below.Solenoids are available in 12 and 24 VDC versions, requiring Mina max current of approx. 1100 and 550 mA r espectively. Anelectrical connector is included (DIN43650/IP54).SolenoidcurrentThe threshold current (Is) is factory set IIs400 mA at 12 VDC/200 mA at 24 VDC) but is adjustableThresholdModulating(12 VDC: 250–450 mA; 24 VDC: 100–230 mA).currentcurrentWhen utilizing the full displacement range, the requiredEP diagram.modulating current ( I) is 600 and 300 mA respectively.In order to minimize hysteresis, a pulse-width modulatedX4X2Acontrol signal of 70 to 90 Hz should be utilized.See also “Controls, Note” on page 10.NOTE: The modulating current ( I) is not adjustable.The EP control is available in four versions:EP H 01 I - Internal servo supply, 24 VDCMinEP L 01 I - Internal servo supply, 12 VDCMaxEP H 01 E - External servo supply, 24 VDC(optional)EP L 01 E - External servo supply, 12 VDC(optional)X6X1BGauge/pilot ports (EP control):X1Setting piston pressure (decreasing displ.)X2Servo supply pressure (after orifice)X4Servo supply pressure (before orifice)X6Setting piston pressure (increasing displ.)Port sizes:–M14x1.5 (ISO and cartridge versions)9/ "-18 O-ring boss (SAE version).–16EP H 01 I schematic (spool in a balanced, mid-pos.).X4AX2MinShaft speedMaxMin displ.X6X1BEP H 01 E schematic (spool in a balanced, mid-pos.).V12 EP dia schematics.epsLeif A./03-01-25Max displ.SolenoidcurrentIs IThresholdModulatingcurrentSpeed current dia.epscurrentShaft speed vs. solenoidcurrent (EP control).Leif A./03-03-0614Parker HannifinPump and Motor DivisionTrollhättan, Sweden
Hydraulic MotorsSeries V12Catalogue HY30-8223/UKControlsHO two-position controlThe two-position HO control is similar to the EO (page13) but the pilot signal is hydraulic. The position of thesetting piston is governed by the built-in servo valve(same on all compensators and controls).When the applied pilot pressure (port X5) exceeds thepre-set threshold pressure, the setting piston movesfrom the max to the min displacement position.The threshold pressure is factory set at 10 bar but canbe adjusted between 5 and 25 bar.The HO two-position control is available in two versions:HO S 01 I - Internal servo supplyHO S 01 E - External servo supply (port X4)(optional)Setting piston pressure (max-to-min)X2Servo supply pressure (after orifice)X4Servo supply pressure (before orifice)X5External pilot pressure (max 100 bar)X6Setting piston pressure (min-to-max)MaxMin thresholdpressureMax thresholdpressureMinPilotpressurepsThresholdpress. (min)AdjustmentrangeHO diagram.Gauge/pilot ports (HO control):X1Displacement(setting piston position)X4X5MinPort sizes:–M14x1.5 (ISO and cartridge versions)–9/16"-18AX2MaxO-ring boss (SAE version).X6BX1HO S 01 I schematic (X5 not pressurized).X4AX2X5MinMaxX6X1BHO S V12 HO dia schematics.eps01 E schematic (X5 not pressurized).Leif A./03-01-2515Parker HannifinPump and Motor DivisionTrollhättan, Sweden2
Hydraulic MotorsSeries V12Catalogue HY30-8223/UKControlsHP proportional controlLike the EP control described on page 14, the HP proportional control offers continuously variable displacement, but the pilot signal is hydraulic.Normally, the setting piston stays in the max displacement position. When a sufficiently high pilot pressure(ps) is applied to port X5, the setting piston starts tomove towards the min displacement position.As can be seen in the diagram to the right, the displacement changes in proportion to the applied modulatingpressure.In contrast, shaft speed vs. pilot pressure is non-linear;refer to the diagram below.The following modulating pressures ( p) can beselected: 15 or 25 bar.The threshold pressure (ps) is factory set at 10 bar butis adjustable between 5 and 25 bar.See also “Controls, Note” on page 10.Two versions of the HP control are available:HPS 01 I - Internal servo supplyHPS 01 E - External servo supply (port X5)(optional)Displacement(setting piston position)MaxMin thresholdpressureMax thresholdpressureOptional modulatingpressureMinPilotpressureps pThresholdpressureModulatingpressureHP diagram.X4AX2X5MinGauge/pilot ports (HP control):X1Setting piston pressure (decreasing displ.)X2Servo supply pressure (after orifice)X4Servo supply pressure (before orifice)X5External pilot pressure (max 100 bar)X6Seetting piston pressure (increasing displ.)Port sizes:–M14x1.5 (ISO and cartridge versions)9/ "-18 O-ring boss (SAE version).–16MaxX6BX1HP S 01 I schematic (spool in a balanced, mid-pos.).X4AX2Shaft speedMin displ.X5MinMaxMax displ.ps pThresholdModulatingpressure Speed press dia.epspressureX6X1BHP S 01E schematic (spool in a balanced, mid-pos.).V12 HP dia schematics.epsPilotpressureLeif A./03-01-25LeifpressureA./03-02-07Shaft speed vs. pilot(HP control).16Parker HannifinPump and Motor DivisionTrollhättan, Sweden
Hydraulic MotorsSeries V12Catalogue HY30-8223/UKValve and sensor optionsFlushing valveAs an option, L, the V12 is available with a flushing (orshuttle) valve that supplies the motor with a cooling flowthrough the case. Cooling the motor may be requiredwhen operating at high speeds and/or power levels.The flushing valve consists of a three-position, threeway spool valve built into a special end cap. It connectsthe low pressure side of the main circuit to a nozzle(optional size) that empties fluid into the motor case.In a closed circuit transmission, the flushing valveremoves part of the fluid in the main loop. The removedfluid is continuously being replaced by cool, filtered fluidfrom the low pressure charge pump on the main pump.NOTE: The flushing valve ordering code is shown onpage 23 (‘L 01’).Nozzle (behindcover tatusFlow [l/min] onal9.210.611.9L083.0Optional20.023.125.815 bar 20 bar 25 barBFlushing NozzleV12 FV inst schem.epsvalveLeif A./03-03-06NOTE: ’L00’ plug17Parker HannifinPump and Motor DivisionTrollhättan, Sweden
Hydraulic MotorsSeries V12Catalogue HY30-8223/UKValve and sensor optionsHigh Speed / High Power operationRunning in procedure at mid. displacementRunning in procedure Parker MotorsWe suggest the following procedure to run in the V12 motors.1.Start @ 500 rpm, differential pressure 250 bar, outlet 10-15 bar.2.Run until the drain temperature has passed its maximum* and has decreased 1-2 C3.Increase differential pressure to 350 bar4.Run until the drain temperature has passed its maximum* and has decreased 1-2 C5.Increase differential pressure to 400 bar6.Run until the drain temperature has passed its maximum* and has stabilized.*If, at any point, the temperature tends to pass 100 C, decrease the pressure at once.Please make sure the drain temperature probe is in the drain oil flow to measure the correct temp.Running In Example:Temp [ 4050607080900100Time [min]18Parker HannifinPump and Motor DivisionTrollhättan, SwedenPressure [bar]Drain TempDifferential PressureRunning In @ 500 rpm
Hydraulic MotorsSeries V12Catalogue HY30-8223/UKValve and sensor optionsSpeed sensorA speed sensor kit is available for the ISO, Cartridgeand SAE versions of series V12, V12-80-Cartridgeexcepted.The ferrostat differential (Hall-effect) sensor installs ina separate, threaded hole in the V12 bearing housing.The speed sensor is directed towards the V12 shaftflange and outputs a 2 phase shifted square wave signalwithin a frequency range of 0 Hz to 15 kHz. Number ofpulses per shaft rev is 36 which, at 5 Hz, corresponds toapprox. 8 rpm.When a ‘Speed sensor’ is needed (refer to the orderingcodes on pages 20 to 22), the housing is machinedwith the threaded hole; the speed sensor kit have to beordered on a separate order line.NOTE: - The motor bearing housing must be preparedfor the speed pick-up; refer to the V12 ordering codes on pg. 20, 21 and 22 (Code P).- Additional information is provided in our publication HY30-8301/UK ‘Speed sensor forseries F11/F12 and V12/T12/V14’; availablefrom Parker Hannifin.- The speed sensor is also shown in theillustrations on pg. 24 and 28.V12-80Speed sensor(not installed;have to be ordered separately)V12 speed sensor.epsLeif A./03-02-04How to order Please order the speed sensor on a separate orderline next to the product order line.Part number for speed sensor is 3783883.19Parker HannifinPump and Motor DivisionTrollhättan, Sweden2
Hydraulic MotorsSeries V12Catalogue HY30-8223/UKOrdering codesISO version (basic configuration)V12Motortype––Framesize–Func- Maintion portsV––Mount.- ShaftShaftflange seal–DVersionStatusnumber––Order code 02-04Max and mindisplacementFrame sizeCode Displacem.(cm3/rev)0606008080[cm3/rev]Code Speed sensor*P Prepared forFrame size60 80Code FunctionM Motor; normal end x xcap position:EO, EP,HO and HPMotor; normal end xcap position:AC and AHTFrame sizeCode Main portsA SAE flange; metricFthreads, rear portsSAE flange; metricthreads, side portsOmax and min displacementscrews sealedVersion number60 80xxxxFrame sizeCode Shaft sealV PPSFactory assigned for specialversions* Note.See information on page 19, Speed Sensor60 80x x(x) (x)60 80xxFrame sizeCode Shaft (DIN 5480)C SplineD Spline(x): Optionalspeed sensorNoneCode StatusD Control pressure setting;xFrame sizeCode Mounting flangeI ISO flangeN ISO flangex: Available/60 80(x) (x)x x– : Not availableControls and flushing valve, see page 2320Parker HannifinPump and Motor DivisionTrollhättan, Sweden
Hydraulic MotorsSeries V12Catalogue HY30-8223/UKOrdering codesCartridge version (basic configuration)V12Motortype––Framesize–Func- Maintion portsCV––Mount.- ShaftShaftflange seal–DVersionStatusnumber––Order code 02-04Frame sizeCode Displacem.(cm3/rev)0606008080Max and mindisplacement[cm3/rev]Code Speed sensor*P (Speed
4 Parker annifin Pump and Motor Division Trollhttan, Sweden Hydraulic Motors Series V12, V14 and T12 Catalogue HY30-8223/U Series V12 Series V12 is a bent-axis, variable displacement motor. It is intended for both open and closed circuits, mainly in mobile applications, but the V12 can also be utilized in a wide variety of other applications .
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Hydraulic Motors 1- Introduction As in the Case of Hydraulic Cylinders, Hydraulic Motors Extract Energy from a Fluid and Convert it to Mechanical Energy to Perform Useful Work. Hydraulic Motors can be of: The Limited Rotation or The Continuous Rotation Type. A Limited Rotation Motor, which is also called . A Rotary Actuator or An Oscillating
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Hydraulic Systems Component Identification and Function A typical hydraulic fluid handling system, shown in Figure 1, is one in which the power supply, or power pack, provides hydraulic fluid at a given pressure and flow to operate differential hydraulic motors. These motors, in turn, drive fluid displacement pumps that deliver fluid at a
