Size 18 a10vso sizes 28 to 140 a10v o nominal pr essure 280 bar maximum pres sure 350 bar open circuit axial piston variable pump a10vso series 31 re 92701 edition. Displacement v g max in cm3 045 065 085 110 145 175 in in3rev 2. Axial piston variable pump a10vso series 31 hydraulic fluids 5 filtration of the hydraulic fluid finer filtration improves the cleanliness level of the hydraulic fluid, which increases the service life of the axial piston unit. As a result they vary the flow rate that is provided to the consumers. Variable displacement axial piston pumps swash plate design ideally suited for open circuit truck applications.
Like all oilgear pumps, it thrives on lowviscosity fluids and comes in a variety of frame sizes and available displacement rates. This cylinder block is driven to rotate about its axis of symmetry by an integral shaft that is, more or less, aligned with the pumping pistons usually parallel. Constant power control single variable axial piston pump for pressure machine quick details constant power control axial piston single pump rated. Axial piston variable double pump a22vg series 40 shaft seal 5 filtration of the hydraulic fluid finer filtration improves the cleanliness level of the hydraulic fluid, which increases the service life of the axial piston unit. A cleanliness level of at least 201815 is to be maintained according to iso 4406. In an open circuit, the hydraulic fluid flows from the reservoir to the hydraulic pump from where it is fed to the consumer, e. The n series pump, which was used widely as a piston pump especially for construction machines, has been modified to the k3v series, meeting the presentday. Also observe the instructions for the other system components. Pdf a complete analysis of axial piston pump leakage and output. The displacement is continuously variable e\ phdqv ri d wlowlqj vzdvk sodwh dqg wkh rlo arz gluhfwlrq lv reversible. Axial piston pump series pv catalogue hy1243uk pi pvplus uk.
Pdf pressure compensator design for a swash plate axial piston. Maximum pressure p max 5800 psi 400 bar the maximum pressure corresponds to the maximum working pressure. Axial piston double pump with variable displacement. Axial piston variable pump aa10vso usversion ra 92711a07. Pdf vibration analysis of constant power regulated swash. Pdf the paper is focused on understanding the flow losses and the. Axial piston pumps in swash plate and bent axis design are intended for the medium and high pressure range. The pistons and shoes move in and out of the cylinder because they are sliding upon a stationary, variable angle, swashblock.
Variable displacement double pump dpvd axial piston pump. Series 90 variable displacement pumps are compact, high power density units. What is an axial piston pump and why do you need it. Axial piston variable pump a1vo series 10 shaft seal 5 filtration of the hydraulic fluid finer filtration improves the cleanliness level of the hydraulic fluid, which increases the service life of the axial piston unit.
Variable displacement pump a2v series 5, for open, closed and semiclosed circuits axial piston unit, bent axis design brueninghaus hydromatik sizes 250. Hydraulic pump and power system division also offers fixed displacement piston pumps for a wide range of market applications. Axial piston pumps have several pistons that are arranged parallel to the drive shaft. The sturdy pump is particularly suitable for continuous. Axial and radial load capacity of drive shaft pressure and flow control electrohydraulic pressure control power control electroproportional swivel angle control short response times raa 9270312.
Variable axial piston pump on sales quality variable. A variable displacement axial piston pump enables high pressure, high horsepower precision control in a compact package. In order to guarantee the functional reliability of the axial piston unit it is necessary to carry out a gravimetric evalua. Variable displacement axial piston pump type v60n hawe hydraulik. Swashplate type axial piston pumps for open circuits in. Bosch rexroth axial piston variable pumps type a10vso. Axial piston pump hydraulic pumps and parts dta hydraulics. Further information on the a4vg axial piston variable pump, its installation and operation can be found in the rexroth documents listed in the following table. Axial piston unit 01 swashplate design, variable, nominal pressure 450 bar, maximum pressure 500 bar a24v operating mode 02 double pump, closed circuit g sizes ng 03 geometric displacement, see table of values on page 9 1st pump 2nd pump ng045 045045 ng065 ng045 065045 ng065 ng065 065065 control devices, 1st pump 04 proportional control.
An axial piston pump has a number of pistons usually an odd number arranged in a circular array within a housing which is commonly referred to as a cylinder block, rotor or barrel. A variabledisplacement axialpiston pump enables high pressure, high horsepower precision control in a compact package in an axialpiston pump, the pistons and cylinder rotate around the center, longitudinal axis. The flow is proportional to the drive speed and displacement. Variable displacement axial piston pumps adjust the geometric output volume from maximum to zero. Bosch rexroth axial piston variable pumps type a10vso series. Axial piston pumps powersolutions revision history table of revisions date changed rev march 2018 updated to engineering tomorrow design and added sb2017012 0301 parts manual. It is also imperative to have a variable displacement volume hydraulic pump in operation in these systems. The pump is fitted mainly to the power takeoff on commercial. Innovative fluid power1 failure analysis a guide to analyzing axial piston pump failures oilgear company milwaukee, usa 80776, rev. Series 42 4t axial piston pump technical information danfoss. As the rotary group turns the pistons are pushed forwards and backwards. Axial piston variable pump a10vso data sheet series 31 sizes 18 to 140 nominal pressure 280 bar maximum pressure 350 bar open circuit features variable pump in axial piston swashplate design for hydro static drives in an open circuit the flow is proportional to the drive speed and the displace ment. Axial piston units title index open circuit the way to the complete hydraulic system.
Thanks to the inverse piston, the pump manages large swing angles and can be used with nominal pressures up to 400 bar. These variable displacement pumps are available in nominal sizes from 108108 to 165165. This cylinder block is driven to rotate about its axis of symmetry by an integral shaft that is, more or less, aligned with the pumping pistons usually parallel but not necessarily. The liebherr axial piston double pump dpvd series is developed for the open circuit in swash plate design. They are available as either variable pumps or constant pumps. Maximum pressure p max 280 bar absolute the maximum pressure corresponds to the maximum operating pressure within. To ensure the functional reliability of the axial piston unit. A grooved timing plate at the at the top of the pistons controls the way the fluid is drawn through the suction side of the pump and out through the pressure side. The axial piston pump type v30d is designed for open circuits in industrial. Reversing the angle of the swashplate reverses the flow of oil from the pump and thus reverses the direction of rotation of the. Axial piston variable pump a10vs o data sheet series 31 size ng18 a10vso size ng28 to 140 a10vo nominal pressure 280 bar peak pressure 350 bar open circuit features variable axial piston pump of swashplate design for hydrostatic drives in open circuits. Axial piston variable pump a10vso series 31 ihydro.
The medium md10v pump is a swash plate, axial piston hydraulic unit with variable displacement for closed loop circuits. Md10v 1418 series is a family of variable displacement axial piston pumps for use in closed circuits with housing and distributor cover in aluminium. Axial piston variable pump a1vo series 10 hydraulic fluid 5 filtration of the hydraulic fluid finer filtration improves the cleanliness level of the hydraulic fluid, which increases the service life of the axial piston unit. Variable axial piston pumps for open circuits with ls control series c variable displacement axial piston pump is used in open circuits.
In an axial piston pump, the pistons and cylinder rotate around the center, longitudinal axis. Axial piston pumps have a circular piston group which rotates against an angled swash plate. Series 40 mpv035d and mpt035d axial piston pumps variable displacement pump 12. Suitable f or operation with mineral oil and hf hydraulic fluids allpurpose medium pr essure pump sizes 18 to 140 nominal pr essure 280 bar maximum pres sure 350 bar open circuit axial piston variable pump a10vso series 31. Axial piston unit 01 swashplate design, variable, nominal pressure 6500 psi 450 bar, maximum pressure 7250 psi 500 bar a4v operation mode 02 pump, closed circuit g size 03. The nominal pressure of the units is 400 bar and the maximum pressure is 450 bar absolute. All models utilize the parallel axial piston slipper concept in conjunction with a tiltable swashplate to vary the pump s displacement. Axial piston unit 01 swashplate design, variable, industrial applications, nom. Axialpiston pump is easily controlled and relatively compact. To ensure the functional reliability of the axial piston unit, a gravimetric analysis of the hydraulic fluid is necessary to. Gap flow simulation methods in high pressure variable. Mannesmann variable displacement pump a2v re rexroth series 5. Suitable f or operation with mineral oil and hf hydraulic fluids allpurpose medium pr essure pump sizes 18 to 140 nominal pr essure 280 bar maximum pres sure 350 bar open circuit axial piston variable pump a10vso series 31 re 92711 edition.
Numerous variations in the designs, performance ranges, and adjustment options offer ideal solutions for mobile and stationary applications. This must be incorporated in the design of axial piston units used in closed loop systems. Axial piston variable pump a18vo series 11 re 92270 issue. Axial piston unit 02 swashplate design, variable, nominal pressure 280 bar, maximum pressure 350 bar a10vs operation mode 03 pump, open circuit o size ng 04 geometric displacement, see table of values on pages 6 and 7 18 28 45 71 100 140 control device 05 twopoint control, directly operated lllllldg pressure control lllllldr with flow. The directional control valve allows reversal of the direction of rotation or of movement at the user.
Variable displacement double pump dpvd axial piston pump the variable displacement pump dpvd impresses with its innovative technology. Hydraulictraining axial piston units basic principles. Parkers comprehensive variable displacement axial piston pump line includes high pressure and medium pressure piston pumps such as p1, pd, p2, p3, pvplus, gold cup hydrostatic pumps and motors, vp1, pvp, and pavc. As a result they vary the ow rate that is provided to the consumers. Designed to be costeffective, stable and lowmaintenance, pvwj is a variabledisplacement axialpiston pump with a medium control response. Vibration analysis of constant power regulated swash plate axial piston pumps article pdf available in journal of sound and vibration 2595. Variable displacement axial piston pump type v30d hawe hydraulik. More learn more variable axialpiston pumps for open circuits with ls control series c1 variable displacement axialpiston pumps series c1 are used in open circuits. Pump design number 10 pfb20 30 pfb10 31 pvb10 and pvb15 20 all other models displacement control options pvb models only. For axial piston units with swashplate design, the pistons are arranged axially with respect to the drive shaft. They are available with the option of a thrushaft for operating additional hydraulic pumps in series.
The compact design allows to be mounted directly on the ptos. A computer program has been written in matlab to combine all eqs. To ensure the functional reliability of the axial piston unit, a gravimetric analysis of the hydraulic fluid is. The control pivot is built into the swash plate of the pump. The model is available as a double pump with a back to. Stocked capacities from 14 to 64 cc 3 rev with rated continuous working pressures of 250 bar, peaking at 300 bar. Pump is applied at tractors, agricultural, mobile machines and other equipment in temperate and tropical climate. Pump control is realized by supply and pressure adjuster, which limits maximum pressure level in pressure line and keeps pump supply at preset. In addition pumps with seal option w and p, all pumps pv140 pv360 and pumps with xmodification x5830 bearing flushing port are equipped with a flushing port for front bearing and shaft seal.