Also observe the instructions for the other system components. Variable displacement pump poclain hydraulics 2 20022017 design features and options unit frame 055 075 100 180 250 displacement cm. Book free ebook rexroth hydraulic pump a4vg 32 series manual pdf book rexroth hydraulic pump a4vg 32 series manual click here to access this book. Discover the variabledisplacement hydraulic pump product range of bosch rexroth.
The pv series is used in closed center hydraulic systems and is available with either pressure compensation, or flow and pressure compensation load sense. Axialpistonpumpvariabledisplacementboschrexrotha4vg. Variable displacement axial piston pump aa4vg, series 32 in swashplate design is for. Axial piston pumps a4vg series 32 in swash plate and bent axis design are intended for the medium and high pressure range. Discover the variable displacement hydraulic pump product range of bosch rexroth. Pdf search variable pump a4vg 32 bosch rexroth ag variable pump a4vg32.
Bosch rexroth variabledisplacement hydraulic pumps all. Variable displacement pump a10vo, series 31 re 9270111. Electronified travel drive pump with high pressure level. Variable displacement axial piston pump aa4vg, series 32 in swashplate design is for hydrostatic. Pc3 variable displacement axial piston pump product animation. The highpressure relief valves also function as boost valves 8. A variable displacement pump is a device that converts mechanical energy to hydraulic fluid energy. How to use the setting screw unscrew 1 completely, loosen 3 and screw 2 to the required displacement.
The flow is infinitely variable through adjustment of the swashplate angle. The specific delivery time depands on the items and the quantity of your order. The proportional solenoids do not have manual override. It has been designed exclusively for closed circuit hydrostatic transmissions where a selfcontained. The overview in troubleshooting on page 35 assists you in searching for and tracing faults on the axial piston variable displacement pump a4vg, sizes 71180 and the entire machine or system. For variable displacement piston pumps, muncie power offers the pv series pump family including the pve, pvj and pvl series. Note always observe the safety instructions in safety. Also observe the manuals for the other system components. Variable displacement pump aa10v, series 31 9 variable displacement pump aa10v, series 31 sound data representative of piston pumps of this design. The amount of flow displaced by each pump shaft rotation can be varied in variable displacement pump and cannot be varied in fixed displacement pump. Flow is proportional to drive speed and displacement and is infinitely variable output flow increases with the swivel angle of the swash. Bosch rexroth variabledisplacement hydraulic pumps all the. A4vg function rexroth funcionamiento hidrostatico youtube. Aa4vg variable displacement pumps bosch rexroth usa.
Hydraulic pump and power system division also offers fixed displacement piston pumps for a wide range of market applications. The a11vo is a variable displacement pump of axial piston swashplate design for use in open circuit hydrostatic drives. Numerous variations in the designs, performance ranges and adjustment options offer perfect solutions for mobile and stationary application ranges. Pc3 variable displacement axial piston pump product. The pump operates under selfpriming condition, with tank pressurisation or with charge pump impeller. In a variable displacement pump, we vary the angle of the rotating group, which is done by tilting the swash plate. A wide variety of rexroth a4vg options are available to a4vg152, such as hydraulic, pneumatic, and electric. Vickers vane pumps variable displacement vane pumps for. Proportional solenoids with manual override and spring return are available on request.
The pistons and shoes move in and out of the cylinder because they are sliding upon a stationary, variable angle, swashblock. Proportional solenoid with manual override and spring return. 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. A simple test can be performed to investigate condition of the variable displacement pump. China hydraulic piston pump parts china a4vg1125 piston pump india china high pressure hydraulic piston. Flow is proportional to drive peed and displacement and is infinitely variable. Axial piston variable pump a4vg data sheet series 32 size 28 to 250 nominal pressure 400 bar maximum pressure 450 bar closed circuit features variable axial piston pump of swashplate design for hydrostatic drives in closed circuit. Only initiate this test if system operation becomes sluggish or complaints of excessive noise with respect to pump operation. Displacement variable pump v g max cm3 71 90 auxiliary pump at p 20 bar v g h cm3 19,6 28,3 speed max. Highpres sure pump for applications in a closed circuit up to 500 bar size 110 280 nominal pr essure 450 bar maximum pres sure 500 bar closed circuit axial piston variable pump a4vg series 40 re 92004 edition. Series 3, for closed circuits axial piston, swashplate.
Variable displacement pump do not produce heat when actuator is not in use, however, fixed displacement pump. Pressure compensation reduced flow after reaching set pressure pressure compensated control is the most basic control for a variable stroke piston pump. 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. Hydraulictraining axial piston units basic principles. Read online s07 pump rexroth a4vg scribd variable pump a4vg 71180 baureiheseries 32 bosch rexroth ag mobile hydraulics a4vg rde 92 00302r03. Further information on the axial piston variable pump a4vg and its installation, commissioning and operation can be found in the rexroth documents listed in the following table. Variable displacement axial piston pump aa4vg, series 32 in swashplate design is for hydrostatic closed circuit transmissions. A variable displacement axialpiston pump enables high pressure, high horsepower precision control in a compact package. Ep2 anticlockwise clockwise a b b a,b a s s ma ma mb x2 x1 anticlockwise. Pv series pumps are available in seven displacements with pressure capability up to 4495 psi, continuous. Variable displacement pump a4vg closed circuit sizes 28. Output flow increases with the swivel angle of the wash plate from 0 to its maximum value. Noise level characteristics for pump measured in an sound chamber distance from microphone to pump 3.
An integral auxiliary pump serves as boost and pilot oil pump the maximum boost pressure is limited by a builtin boost pressure relief valve the integral pressure cutoff is standard further informations. Changing the swivel angle changes the piston stroke, thus allowing variable displacement. A variable displacement pump in a hydraulic driven system works as a medium of conversion of mechanical energy into hydraulic energy. Variable displacement pump a10vo re axial piston, swashplate. Pressure rated to 300 bar 4350 psi these robust units are ideal for your compact.
Rexroth hydraulic pump a4vg 32 series manual rexroth a4vg hydraulic pump parts of. The pump is equipped with two pressure relief valves on the high pressure ports to protect the. High pressure pump for applications in closed circuits. Axialpistonpumpvariabledisplacementboschrexrotha4vg14298966. The a4vg axial piston variable pump in swash plate design for hydrostatic closed circuit transmissions. It has been designed exclusively for closed circuit hydrostatic transmissions where a selfcontained pump package is required. The flow is proportional to the drive speed and displacement. Variable displacement piston pump technical information manual module 3a. Efficient dualcircuit variable pump with differential lock function size 28 nominal pressure 300 bar maximum pressure 350 bar. Hyquip supply the entire range of variable displacement pumps by bosch rexroth for use on a wide range of industrial manufacturing applications. Hydraulic pump controls the flow or pressure of fluid in hydraulic appliances it applies same principles in some sectors for gaseous purposes. Jun 07, 20 a4vg function rexroth funcionamiento hidrostatico.
Jul 15, 2019 the specific delivery time depands on the items and the quantity of your order. Series 3, for closed circuits axial piston, swashplate design. Variable displacement pumps use less energy compare to fixed displacement pumps. Designed principally for use in mobile applications. Variable axial piston pump of swashplate design for hydrostatic drives in open circuits the flow is proportional to the drive speed and displacement. One solenoid is assigned to each direction of flow. In an axialpiston pump, the pistons and cylinder rotate around the center, longitudinal axis. The displacement, or amount of fluid pumped per revolution of the pump s input shaft can be varied while the pump is running. Axial piston variable pump a4vg data sheet series 32 sizes 28. The a4vg axial piston variable pump is a system component. 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 variable pump a4vg series 35 electronified travel drive. The displacement, or amount of fluid pumped per revolution of the pumps input shaft can be varied while the pump is running many variable displacement pumps are reversible, meaning that they can act as a hydraulic motor and convert fluid energy into mechanical energy. The pump displacement can thus be adjusted to exactly what is needed. Variable displacement pump aa4vg, series 3 ra 9200308. The flow is proportional to drive speed and displacement which is infinitely variable depending on the swashplate angle. Variable displacement pump aa4vg, series 3 ra 92003s04. Variable displacement pump key of hydraulic system. Many variable displacement pumps are reversible, meaning that they can act as a hydraulic motor and convert fluid. Variable displacement pump a4vtg for drum drives on mobile concrete mixers for closed circuits sizes 56. Remove the case drain from the reservoir or simply disconnect line at pump housing. Eaton pvh variable displacement piston pumps vickers product line. A4vg 544 brueninghaus hydromatik technical data table of values theoretical values, without considering. Displacement v g max in cm3 045 065 085 110 145 175 in in3rev 2.
The a4vg variable pump is designed for operation with. The displacement of the pump is thus steplessly variable. A4vg series 40 variable pumps give you greater power density and a wider range of nominal sizes for greater flexibility. Pumps are available with either pressure compensation, or flow and pressure compensation load sense. Ep features variable displacement axial piston pump of swashplate design for hydrostatic closed circuit transmissions flow is proportional to drive speed and. The pump operates under selfpriming condition, with tank pressurisation or with charge pump. Hydraulic pumps are classified on the basis of its displacement. Axial piston variable pump a4vg series 32 europe nap techniek. Highpres sure pump for applications in a closed circuit size 28 to 125 nominal pr essure 400 bar maximum pres sure 450 bar closed circuit axial piston variable pump a4vg series 32 ree 92003 edition. Variable displacement pump a4vsg, series 1 and 2 4 through drive ordering codes 40 71 125 180 250 355 500 750 without auxiliary pump, without through drive n00 with through drive for mounting of axial piston unit, gear or radial piston pump flange hubshaft to accept iso 125, 4bolt splined shaft 32x2x30x14x9g a4vsohg 40 k31.
The variable pump a4vg is unsuitable for operation with hfa. Variable displacement pump a4vtg re 92 012 for drum drives on mobile concrete mixers re 92 00305. Axial piston variable pump a4vg series 40 rea 92004 edition. The basics of variable displacement pump controls crossco.