Variable displacement axial piston pump type v30d hawe hydraulik. Axial piston unit 18 28 45 71 100 140 02 swashplate design, variable aa10vs operating mode 03 pump, open circuit o size 04 displacement v g max in in 1. 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. These variable displacement pumps are available in nominal sizes from 108108 to 165165. Series 42 4t axial piston pump technical information danfoss. Pdf a complete analysis of axial piston pump leakage and output. Axial piston unit 01 swashplate design, variable, industrial applications, nom. Numerous variations in the designs, performance ranges, and adjustment options offer ideal solutions for mobile and stationary applications. 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. A computer program has been written in matlab to combine all eqs.
Gap flow simulation methods in high pressure variable. The compact design allows to be mounted directly on the ptos. Variable displacement pump a2v series 5, for open, closed and semiclosed circuits axial piston unit, bent axis design brueninghaus hydromatik sizes 250. Variable displacement double pump dpvd axial piston pump the variable displacement pump dpvd impresses with its innovative technology. 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. As the rotary group turns the pistons are pushed forwards and backwards.
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. 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. Thanks to the inverse piston, the pump manages large swing angles and can be used with nominal pressures up to 400 bar. Series 90 variable displacement pumps are compact, high power density units. Also observe the instructions for the other system components. To ensure the functional reliability of the axial piston unit. The pump is fitted mainly to the power takeoff on commercial. Axialpiston pump is easily controlled and relatively compact. The nominal pressure of the units is 400 bar and the maximum pressure is 450 bar absolute. Hydraulictraining axial piston units basic principles. 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. In an open circuit, the hydraulic fluid flows from the reservoir to the hydraulic pump from where it is fed to the consumer, e.
They are available as either variable pumps or constant pumps. This must be incorporated in the design of axial piston units used in closed loop systems. To ensure the functional reliability of the axial piston unit, a gravimetric analysis of the hydraulic fluid is necessary to. A variable displacement axial piston pump enables high pressure, high horsepower precision control in a compact package. Like all oilgear pumps, it thrives on lowviscosity fluids and comes in a variety of frame sizes and available displacement rates. 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.
Swashplate type axial piston pumps for open circuits in. Axial piston units title index open circuit the way to the complete hydraulic system. 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. 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.
Axial piston pump hydraulic pumps and parts dta hydraulics. Axial piston pumps have a circular piston group which rotates against an angled swash plate. Pump is applied at tractors, agricultural, mobile machines and other equipment in temperate and tropical climate. The medium md10v pump is a swash plate, axial piston hydraulic unit with variable displacement for closed loop circuits. Variable axial piston pump on sales quality variable. Variable displacement axial piston pumps swash plate design ideally suited for open circuit truck applications. Variable displacement double pump dpvd axial piston pump. The directional control valve allows reversal of the direction of rotation or of movement at the user.
They are available with the option of a thrushaft for operating additional hydraulic pumps in series. Md10v 1418 series is a family of variable displacement axial piston pumps for use in closed circuits with housing and distributor cover in aluminium. Innovative fluid power1 failure analysis a guide to analyzing axial piston pump failures oilgear company milwaukee, usa 80776, rev. 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. For axial piston units with swashplate design, the pistons are arranged axially with respect to the drive shaft.
The control pivot is built into the swash plate of the pump. 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. Designed to be costeffective, stable and lowmaintenance, pvwj is a variabledisplacement axialpiston pump with a medium control response. The pistons and shoes move in and out of the cylinder because they are sliding upon a stationary, variable angle, swashblock. Pump design number 10 pfb20 30 pfb10 31 pvb10 and pvb15 20 all other models displacement control options pvb models only. 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. Pump control is realized by supply and pressure adjuster, which limits maximum pressure level in pressure line and keeps pump supply at preset.
Variable axial piston pumps for open circuits with ls control series c variable displacement axial piston pump is used in open circuits. 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. Bosch rexroth axial piston variable pumps type a10vso series. The displacement is continuously variable e\ phdqv ri d wlowlqj vzdvk sodwh dqg wkh rlo arz gluhfwlrq lv reversible.
The liebherr axial piston double pump dpvd series is developed for the open circuit in swash plate design. Hydraulic pump and power system division also offers fixed displacement piston pumps for a wide range of market applications. It is also imperative to have a variable displacement volume hydraulic pump in operation in these systems. 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. The sturdy pump is particularly suitable for continuous. 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.
Axial piston variable pump aa10vso usversion ra 92711a07. Maximum pressure p max 5800 psi 400 bar the maximum pressure corresponds to the maximum working pressure. Axial piston pumps in swash plate and bent axis design are intended for the medium and high pressure range. In an axial piston pump, the pistons and cylinder rotate around the center, longitudinal axis. Pdf vibration analysis of constant power regulated swash. Stocked capacities from 14 to 64 cc 3 rev with rated continuous working pressures of 250 bar, peaking at 300 bar. Axial piston pump series pv catalogue hy1243uk pi pvplus uk. Variable displacement axial piston pumps adjust the geometric output volume from maximum to zero. 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.
Maximum pressure p max 280 bar absolute the maximum pressure corresponds to the maximum operating pressure within. Displacement v g max in cm3 045 065 085 110 145 175 in in3rev 2. 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 model is available as a double pump with a back to. You can combine these pumps with a suitable danfoss. Pdf the paper is focused on understanding the flow losses and the.
The axial piston pump type v30d is designed for open circuits in industrial. As a result they vary the flow rate that is provided to the consumers. All models utilize the parallel axial piston slipper concept in conjunction with a tiltable swashplate to vary the pump s displacement. 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. 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.
Pdf pressure compensator design for a swash plate axial piston. Bosch rexroth axial piston variable pumps type a10vso. A cleanliness level of at least 201815 is to be maintained according to iso 4406. Series 40 mpv035d and mpt035d axial piston pumps variable displacement pump 12.
As a result they vary the ow rate that is provided to the consumers. To ensure the functional reliability of the axial piston unit, a gravimetric analysis of the hydraulic fluid is. Vibration analysis of constant power regulated swash plate axial piston pumps article pdf available in journal of sound and vibration 2595. In order to guarantee the functional reliability of the axial piston unit it is necessary to carry out a gravimetric evalua. Constant power control single variable axial piston pump for pressure machine quick details constant power control axial piston single pump rated. Axial piston variable pump a18vo series 11 re 92270 issue. Axial piston double pump with variable displacement. 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.
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. 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. Variable displacement axial piston pump type v60n hawe hydraulik. The flow is proportional to the drive speed and displacement. What is an axial piston pump and why do you need it. Axial piston variable pump a10vso series 31 ihydro. Axial piston pumps have several pistons that are arranged parallel to the drive shaft. 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. 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. Mannesmann variable displacement pump a2v re rexroth series 5.
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